Daily August 2021

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Tageszusammenfassung - 17.08.2021
by Daily end-of-shift report 17 Aug '21

17 Aug '21

===================== = End-of-Day report = ===================== Timeframe: Montag 16-08-2021 18:00 − Dienstag 17-08-2021 18:00 Handler: Dimitri Robl Co-Handler: Thomas Pribitzer ===================== = News = ===================== ∗∗∗ Malware dev infects own PC and data ends up on intel platform ∗∗∗ --------------------------------------------- A malware developer unleashed their creation on their system to try out new features and the data ended up on a cybercrime intelligence platform, exposing a glimpse of the cybercriminal endeavor. --------------------------------------------- https://www.bleepingcomputer.com/news/security/malware-dev-infects-own-pc-a… ∗∗∗ Copyright scammers turn to phone numbers instead of web links ∗∗∗ --------------------------------------------- Forewarned is forearmed. Here's our advice on dealing with "copyright infringement" scammers. --------------------------------------------- https://nakedsecurity.sophos.com/2021/08/16/copyright-scammers-turn-to-phon… ∗∗∗ Laravel (<=v8.4.2) exploit attempts for CVE-2021-3129 (debug mode: Remote code execution), (Tue, Aug 17th) ∗∗∗ --------------------------------------------- The vulnerability and this PoC exploit are well documented as CVE-2021-3129. The vulnerability takes advantage of the Ignition "Solutions." Solutions enable the developer to inject code snippets to aid in debugging. --------------------------------------------- https://isc.sans.edu/diary/rss/27758 ∗∗∗ Vorsicht vor Fake-Zahlungsbestätigungen von Kriminellen auf bazar.at ∗∗∗ --------------------------------------------- Wer auf bazar.at Waren zum Verkauf anbietet, muss sich momentan vor kriminellen InteressentInnen in Acht nehmen! Diese fragen nach der Verfügbarkeit und behaupten, die Zahlung über bazar.at abzuwickeln. Achtung: bazar.at bietet keine solche Zahlungsart und die Bestätigungsseiten sind gefälscht! --------------------------------------------- https://www.watchlist-internet.at/news/vorsicht-vor-fake-zahlungsbestaetigu… ∗∗∗ Thoughts on Detection ∗∗∗ --------------------------------------------- After helping with many clients with numerous detection rules, I observed one consistent theme that kept popping up, many of the rules were written in a way that seemed to be missing a large portion of the potential detection opportunities. --------------------------------------------- https://posts.specterops.io/thoughts-on-detection-3c5cab66f511 ∗∗∗ 1Password Secret Retrieval — Methodology and Implementation ∗∗∗ --------------------------------------------- 1Password is a password manager developed by AgileBits Inc., providing a place for users to store various passwords, software licenses, and other sensitive information in a virtual vaults secured with a PBKDF2 master password. --------------------------------------------- https://posts.specterops.io/1password-secret-retrieval-methodology-and-impl… ∗∗∗ Personal VPN and Its Evasions: Risk Factors and How to Maintain Network Visibility ∗∗∗ --------------------------------------------- Personal VPN usage on organizations’ networks can obscure network visibility and open the door to cybercrime such as data exfiltration. --------------------------------------------- https://unit42.paloaltonetworks.com/person-vpn-network-visibility/ ∗∗∗ ProxyShell in Österreich ∗∗∗ --------------------------------------------- In seinem Talk auf der BlackHat US 2021 stellte Sicherheitsforscher Orange Tsai eine weitere Kombination von Lücken vor, die es AngreiferInnen ermöglicht, beliebige Befehle als NT Authority\System über das Netzwerk auszuführen, ohne sich authentifizieren zu müssen. --------------------------------------------- https://cert.at/de/aktuelles/2021/8/proxyshell-in-osterreich ∗∗∗ New HolesWarm botnet targets Windows and Linux servers ∗∗∗ --------------------------------------------- A new botnet named HolesWarm has been slowly growing in the shadows since June this year, exploiting more than 20 known vulnerabilities to break into Windows and Linux servers and then deploy cryptocurrency-mining malware. --------------------------------------------- https://therecord.media/new-holeswarm-botnet-targets-windows-and-linux-serv… ===================== = Vulnerabilities = ===================== ∗∗∗ Fortinet patches bug letting attackers takeover servers remotely ∗∗∗ --------------------------------------------- Fortinet has released security updates to address a command injection vulnerability that can let attackers take complete control of servers running vulnerable FortiWeb web application firewall (WAF) installations. --------------------------------------------- https://www.bleepingcomputer.com/news/security/fortinet-patches-bug-letting… ∗∗∗ Security: Glibc-Bugfix machte Lücke einfacher ausnutzbar ∗∗∗ --------------------------------------------- Das Beheben von Sicherheitslücken ist nicht immer so einfach, wie es anfangs scheint, was nun auch das Team der Glibc erfahren musste. --------------------------------------------- https://www.golem.de/news/security-glibc-bugfix-machte-luecke-einfacher-aus… ∗∗∗ ZDI-21-971: (Pwn2Own) Zoom Heap based Buffer Overflow Remote Code Execution Vulnerability ∗∗∗ --------------------------------------------- This vulnerability allows remote attackers to execute arbitrary code on affected installations of Zoom Clients. Authentication is not required to exploit this vulnerability. --------------------------------------------- http://www.zerodayinitiative.com/advisories/ZDI-21-971/ ∗∗∗ Sicherheitsupdate für Google Chrome beseitigt Angriffsmöglichkeiten ∗∗∗ --------------------------------------------- Für die Desktop-Fassungen des Chrome-Browsers (Win, macOS & Linux) ist eine Aktualisierung verfügbar, die mehrere Schwachstellen beseitigt. --------------------------------------------- https://heise.de/-6167542 ∗∗∗ Security updates for Tuesday ∗∗∗ --------------------------------------------- Security updates have been issued by Fedora (firefox), openSUSE (cpio and rpm), Oracle (compat-exiv2-026, exiv2, firefox, kernel, kernel-container, qemu, sssd, and thunderbird), Red Hat (cloud-init, edk2, kernel, kpatch-patch, microcode_ctl, and sssd), and SUSE (cpio, firefox, and libcares2). --------------------------------------------- https://lwn.net/Articles/866567/ ∗∗∗ Millions of IoT Devices Exposed to Attacks Due to Cloud Platform Vulnerability ∗∗∗ --------------------------------------------- Researchers at FireEye’s threat intelligence and incident response unit Mandiant have identified a critical vulnerability that exposes millions of IoT devices to remote attacks. --------------------------------------------- https://www.securityweek.com/millions-iot-devices-exposed-attacks-due-cloud… ∗∗∗ iCloud for Windows 12.5 ∗∗∗ --------------------------------------------- https://support.apple.com/kb/HT212607 ∗∗∗ Security Bulletin: Vulnerabilities in Node.js in IBM DataPower Gateway ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerabilities-in-node-j… ∗∗∗ Security Bulletin: IBM Security Privileged Identity Manager is affected by security vulnerabilities (CVE-2020-1971, CVE-2020-15999, CVE-2017-12652) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-privileged-i… ∗∗∗ Security Bulletin: IBM DataPower Gateway potentially vulnerable to CSRF attack ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-datapower-gateway-pot… ∗∗∗ Security Bulletin: IBM API Connect on cloud is impacted by HTTP header injection vulnerability (CVE-2020-4706) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-api-connect-on-cloud-… ∗∗∗ Security Bulletin: Prototype pollution flaw in y18n in IBM DataPower Gateway ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-prototype-pollution-flaw-… ∗∗∗ Security Bulletin: IBM API Connect is impacted by a vulnerability in Golang (CVE-2021-27919) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-api-connect-is-impact… ∗∗∗ Security Bulletin: Multiple vulnerabilities in AngularJS ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-multiple-vulnerabilities-… ∗∗∗ Security Bulletin: Potential DoS in IBM DataPower Gateway ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-potential-dos-in-ibm-data… ∗∗∗ Security Bulletin: IBM DataPower Gateway vulnerable to a DoS ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-datapower-gateway-vul… ∗∗∗ Synology-SA-21:22 DSM ∗∗∗ --------------------------------------------- https://www.synology.com/en-global/support/security/Synology_SA_21_22 ∗∗∗ Apache HTTP Server: Schwachstelle ermöglicht Denial of Service ∗∗∗ --------------------------------------------- http://www.cert-bund.de/advisoryshort/CB-K21-0878 ∗∗∗ Integer Overflow to RCE — ManageEngine Asset Explorer Agent (CVE-2021–20082) ∗∗∗ --------------------------------------------- https://medium.com/tenable-techblog/integer-overflow-to-rce-manageengine-as… ∗∗∗ Stored XSS to RCE Chain as SYSTEM in ManageEngine ServiceDesk Plus ∗∗∗ --------------------------------------------- https://medium.com/tenable-techblog/stored-xss-to-rce-chain-as-system-in-ma… -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

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Tageszusammenfassung - 16.08.2021
by Daily end-of-shift report 16 Aug '21

16 Aug '21

===================== = End-of-Day report = ===================== Timeframe: Freitag 13-08-2021 18:00 − Montag 16-08-2021 18:00 Handler: Thomas Pribitzer Co-Handler: Stephan Richter ===================== = News = ===================== ∗∗∗ Keine Panik nach Ransomware-Angriff ∗∗∗ --------------------------------------------- Sieben Maßnahmen, die Opfer während oder nach einem erfolgreichen Ransomware-Angriff ergreifen sollten, schildert Daniel Clayton, Vice President of Global Services and Support bei Bitdefender, in einem Gastbeitrag. --------------------------------------------- https://www.zdnet.de/88396234/keine-panik-nach-ransomware-angriff/ ∗∗∗ USA: 100 Millionen T-Mobile-Kunden von Datenleck betroffen ∗∗∗ --------------------------------------------- Kriminelle haben Server von T-Mobile gehackt und umfangreiche Kundendaten kopiert. Diese bieten sie nun zum Verkauf an. --------------------------------------------- https://www.golem.de/news/usa-100-millionen-t-mobile-kunden-von-datenleck-b… ∗∗∗ Microsoft Teams korrekt absichern – Teil 2 ∗∗∗ --------------------------------------------- Wie die Absicherung der beliebten Kollaborations-Software am besten gelingt, schildert Bert Skorupski, Senior Manager Sales Engineering bei Quest Software, im zweiten Teil seines Gastbeitrages. --------------------------------------------- https://www.zdnet.de/88396232/microsoft-teams-korrekt-absichern-teil-2/ ∗∗∗ Firewalls and middleboxes can be weaponized for gigantic DDoS attacks ∗∗∗ --------------------------------------------- In an award-winning paper today, academics said they discovered a way to abuse the TCP protocol, firewalls, and other network middleboxes to launch giant distributed denial of service (DDoS) attacks against any target on the internet. --------------------------------------------- https://therecord.media/firewalls-and-middleboxes-can-be-weaponized-for-gig… ∗∗∗ The sextortion Scams: The Numbers Show That What We Have Is A Failure Of Education ∗∗∗ --------------------------------------------- Subject: Your account was under attack! Change your credentials! [...] Did you receive a message phrased more or less like that, which then went on to say that they have a video of you performing an embarrasing activity while visiting an "adult" site, which they will send to all your contacts unless you buy Bitcoin and send to a specific ID? The good news is that the video does not exist. I know this, because neither does our friend Adnan here. --------------------------------------------- https://bsdly.blogspot.com/2020/02/the-sextortion-scams-numbers-show-that.h… ∗∗∗ Windows 365 exposes Microsoft Azure credentials in plaintext ∗∗∗ --------------------------------------------- A security researcher has figured out a way to dump a users unencrypted plaintext Microsoft Azure credentials from Microsofts new Windows 365 Cloud PC service using Mimikatz. --------------------------------------------- https://www.bleepingcomputer.com/news/microsoft/windows-365-exposes-microso… ∗∗∗ Colonial Pipeline reports data breach after May ransomware attack ∗∗∗ --------------------------------------------- Colonial Pipeline, the largest fuel pipeline in the United States, is sending notification letters to individuals affected by the data breach resulting from the DarkSide ransomware attack that hit its network in May. --------------------------------------------- https://www.bleepingcomputer.com/news/security/colonial-pipeline-reports-da… ∗∗∗ Simple Tips For Triage Of MALWARE Bazaars Daily Malware Batches, (Sun, Aug 15th) ∗∗∗ --------------------------------------------- I was asked for tips to triage MALWARE Bazaar's daily malware batches. On Linux / macOS, you can unzip a malware batch and triage it with the file command. There is no file command on Windows, but there are Windows versions you can install, and you can also use my file-magic tool (it's a Python tool that uses Python module python-magic-bin). --------------------------------------------- https://isc.sans.edu/diary/rss/27750 ∗∗∗ Discovering CAPTCHA Protected Phishing Campaigns ∗∗∗ --------------------------------------------- CAPTCHA-protected phishing campaigns are becoming more popular. We share techniques to detect malicious content despite these evasions. --------------------------------------------- https://unit42.paloaltonetworks.com/captcha-protected-phishing/ ∗∗∗ Trickbot Deploys a Fake 1Password Installer ∗∗∗ --------------------------------------------- Over the past years, Trickbot has established itself as modular and multifunctional malware. Initially focusing on bank credential theft, the Trickbot operators have extended its capabilities. --------------------------------------------- https://thedfirreport.com/2021/08/16/trickbot-deploys-a-fake-1password-inst… ===================== = Vulnerabilities = ===================== ∗∗∗ Security Advisories for COMMAX Products ∗∗∗ --------------------------------------------- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5667.php https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5666.php https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5665.php https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5664.php https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5663.php https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5662.php https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5661.php https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5660.php --------------------------------------------- https://www.zeroscience.mk/en/vulnerabilities/ ∗∗∗ Advisory: Multiple Issues in Realtek SDK Affects Hundreds of Thousands of Devices Down the Supply Chain ∗∗∗ --------------------------------------------- At least 65 vendors affected by severe vulnerabilities that enable unauthenticated attackers to fully compromise the target device and execute arbitrary code with the highest level of privilege. --------------------------------------------- https://www.iot-inspector.com/blog/advisory-multiple-issues-realtek-sdk-iot… ∗∗∗ XSS Vulnerability Patched in SEOPress Affects 100,000 sites ∗∗∗ --------------------------------------------- On July 29, 2021 the Wordfence Threat Intelligence team initiated the responsible disclosure process for a vulnerability that we discovered in SEOPress, a WordPress plugin installed on over 100,000 sites. This flaw made it possible for an attacker to inject arbitrary web scripts on a vulnerable site which would execute anytime a user accessed the [...] --------------------------------------------- https://www.wordfence.com/blog/2021/08/xss-vulnerability-patched-in-seopres… ∗∗∗ Security updates for Monday ∗∗∗ --------------------------------------------- Security updates have been issued by Arch Linux (c-ares, firefox, fossil, gitlab, jupyterlab, loki, lynx, opera, prosody, and vivaldi), Debian (amd64-microcode, exiv2, ffmpeg, thunderbird, and trafficserver), Fedora (libsndfile, rust-argh, rust-argh_derive, rust-argh_shared, rust-askalono-cli, rust-asyncgit, rust-bugreport, rust-crosstermion, rust-diskonaut, rust-dua-cli, rust-fancy-regex, rust-fedora-update-feedback, rust-filetreelist, rust-git-version, rust-git-version-macro, rust-gitui, [...] --------------------------------------------- https://lwn.net/Articles/866473/ ∗∗∗ PEPPERL+FUCHS: WirelessHART-Gateway - Vulnerability may allow remote attackers to cause a Denial Of Service ∗∗∗ --------------------------------------------- PEPPERL+FUCHS: Critical vulnerabilities have been discovered in the product and in the utilized components jQuery by jQuery Team and TLS Version 1.0/1.1. --------------------------------------------- https://cert.vde.com/de-de/advisories/vde-2021-027 ∗∗∗ Security Bulletin: Multiple Vulnerabilities in IBM® Java SDK affect WebSphere Application Server July 2021 CPU ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-multiple-vulnerabilities-… ∗∗∗ Security Bulletin: IBM Transparent Cloud Tiering is affected by a vulnerability in Apache Commons IO ( CVE-2021-29425) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-transparent-cloud-tie… -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

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Tageszusammenfassung - 13.08.2021
by Daily end-of-shift report 13 Aug '21

13 Aug '21

===================== = End-of-Day report = ===================== Timeframe: Donnerstag 12-08-2021 18:00 − Freitag 13-08-2021 18:00 Handler: Dimitri Robl Co-Handler: Thomas Pribitzer ===================== = News = ===================== ∗∗∗ Angreifer kombinieren ProxyShell-Lücken und attackieren Microsoft Exchange ∗∗∗ --------------------------------------------- Nach gezielten Scans gibt es nun erste Attacken auf Exchange Server. In Deutschland gibt es tausende verwundbare Systeme. Patches sind verfügbar. --------------------------------------------- https://heise.de/-6164957 ∗∗∗ Unseriöse Shops kopieren Webseiten von beliebten Schuhmarken! ∗∗∗ --------------------------------------------- Wer Dr. Marten- oder Skecher-Schuhe in einem Online-Shop kaufen will, sollte sich vorher vergewissern, ob der Shop auch seriös ist. Denn derzeit werden der Watchlist Internet vermehrt Markenfälscher-Shops gemeldet, die unglaublich günstige Markenschuhe anbieten. Wenn das Impressum fehlt und die Schuhe zu unglaublichen Preisen angeboten werden, sollten Sie lieber Abstand von einem Einkauf nehmen. --------------------------------------------- https://www.watchlist-internet.at/news/unserioese-shops-kopieren-webseiten-… ∗∗∗ SynAck ransomware releases decryption keys after El_Cometa rebrand ∗∗∗ --------------------------------------------- The SynAck ransomware gang released the master decryption keys for their operation after rebranding as the new El_Cometa group. --------------------------------------------- https://www.bleepingcomputer.com/news/security/synack-ransomware-releases-d… ∗∗∗ WordPress Sites Abused in Aggah Spear-Phishing Campaign ∗∗∗ --------------------------------------------- The Pakistan-linked threat groups campaign uses compromised WordPress sites to deliver the Warzone RAT to manufacturing companies in Taiwan and South Korea. --------------------------------------------- https://threatpost.com/aggah-wordpress-spearphishing/168657/ ∗∗∗ Example of Danabot distributed through malspam, (Fri, Aug 13th) ∗∗∗ --------------------------------------------- Danabot is an information stealer known for targeting banking data on infected Windows hosts. According to Proofpoint, Danabot version 4 started appearing in the wild in October 2020. We recently discovered a Danabot sample during an infection kicked off by an email attachment sent on Thursday 2021-08-12. Today's diary reviews this Danabot infection. --------------------------------------------- https://isc.sans.edu/diary/rss/27744 ∗∗∗ Using AI to Scale Spear Phishing ∗∗∗ --------------------------------------------- The problem with spear phishing it that it takes time and creativity to create individualized enticing phishing emails. Researchers are using GPT-3 to attempt to solve that problem: The researchers used OpenAI's GPT-3 platform in conjunction with other AI-as-a-service products focused on personality analysis to generate phishing emails tailored to their colleagues' backgrounds and traits. --------------------------------------------- https://www.schneier.com/blog/archives/2021/08/using-ai-to-scale-spear-phis… ∗∗∗ Phishing campaign goes old school, dusts off Morse code ∗∗∗ --------------------------------------------- Sometimes new technology just doesnt get the job done. --------------------------------------------- https://blog.malwarebytes.com/reports/2021/08/phishing-campaign-goes-old-sc… ∗∗∗ Examining threats to device security in the hybrid workplace ∗∗∗ --------------------------------------------- As employees split their time between office and off-site work, there's a greater potential for company devices and data to fall into the wrong hands --------------------------------------------- https://www.welivesecurity.com/2021/08/12/examining-threats-device-security… ∗∗∗ Hackers tried to exploit two zero-days in Trend Micro's Apex One EDR platform ∗∗∗ --------------------------------------------- Cyber-security firm Trend Micro said hackers tried to exploit two zero-day vulnerabilities in its Apex One EDR platform in an attempt to go after its customers in attacks that took place earlier this year. --------------------------------------------- https://therecord.media/hackers-tried-to-exploit-two-zero-days-in-trend-mic… ===================== = Vulnerabilities = ===================== ∗∗∗ Drupal core - Moderately critical - Third-party libraries - SA-CORE-2021-005 ∗∗∗ --------------------------------------------- The Drupal project uses the CKEditor, library for WYSIWYG editing. CKEditor has released a security update that impacts Drupal. Vulnerabilities are possible if Drupal is configured to allow use of the CKEditor library for WYSIWYG editing. --------------------------------------------- https://www.drupal.org/sa-core-2021-005 ∗∗∗ Security updates for Friday ∗∗∗ --------------------------------------------- Security updates have been issued by Debian (commons-io, curl, and firefox-esr), Fedora (perl-Encode), openSUSE (golang-github-prometheus-prometheus, grafana, and python-reportlab), Oracle (.NET Core 2.1, 389-ds:1.4, cloud-init, go-toolset:ol8, nodejs:12, nodejs:14, and rust-toolset:ol8), SUSE (aspell, firefox, kernel, and rpm), and Ubuntu (linux, linux-aws, linux-kvm, linux-lts-xenial and postgresql-10, postgresql-12, postgresql-13). --------------------------------------------- https://lwn.net/Articles/866185/ ∗∗∗ Cognex In-Sight OPC Server ∗∗∗ --------------------------------------------- This advisory contains mitigations for a Deserialization of Untrusted Data vulnerability in Cognex In-Sight OPC Server industrial software. --------------------------------------------- https://us-cert.cisa.gov/ics/advisories/icsa-21-224-01 ∗∗∗ Horner Automation Cscape ∗∗∗ --------------------------------------------- This advisory contains mitigations for Out-of-bounds Write, Access of Uninitialized Pointer, and Out-of-bounds Read vulnerabilities in Horner Automation Cscape control system application programming software. --------------------------------------------- https://us-cert.cisa.gov/ics/advisories/icsa-21-224-02 ∗∗∗ Sensormatic Electronics C-CURE 9000 (Update A) ∗∗∗ --------------------------------------------- This updated advisory is a follow-up to the original advisory titled ICSA-21-182-02 Sensormatic Electronics C-CURE 9000 that was published July 1, 2021, to the ICS webpage on us-cert.cisa.gov. This advisory contains mitigations for an Improper Input Validation vulnerability in Sensormatic Electronics C-CURE 9000 industrial software. --------------------------------------------- https://us-cert.cisa.gov/ics/advisories/icsa-21-182-02 ∗∗∗ Security Bulletin: De-serialization Vulnerability Affects IBM Partner Engagement Manager (CVE-2021-29781) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-de-serialization-vulnerab… ∗∗∗ Security Bulletin: IBM QRadar SIEM is vulnerable to possible information disclosure in a multi-domain deployment. (CVE-2021-29880) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-qradar-siem-is-vulner… ∗∗∗ Security Bulletin: Vulnerability in self-service console affects IBM Cloud Pak System (CVE-2021-20478) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-self-ser… -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

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Tageszusammenfassung - 12.08.2021
by Daily end-of-shift report 12 Aug '21

12 Aug '21

===================== = End-of-Day report = ===================== Timeframe: Mittwoch 11-08-2021 18:00 − Donnerstag 12-08-2021 18:00 Handler: Thomas Pribitzer Co-Handler: Stephan Richter ===================== = News = ===================== ∗∗∗ PrintNightmare: Schon wieder eine Drucker-Lücke in Windows ohne Patch ∗∗∗ --------------------------------------------- Microsoft kriegt seine Druckerverwaltung offensichtlich nicht in den Griff, Angreifer könnten sich erneut System-Rechte verschaffen. --------------------------------------------- https://heise.de/-6163743 ∗∗∗ Accenture Opfer der Lockbit Ransomware ∗∗∗ --------------------------------------------- Das IT-Beratungsunternehmen Accenture ist wohl Opfer eines Cyber-Angriffs mit der Lockbit-Ransomware geworden. Das Unternehmen hat den Angriff inzwischen eingestanden. Bei dem Ransomware-Befall scheinen auch Daten abgezogen worden zu sein. Hier einige Informationen, was inzwischen bekannt ist. --------------------------------------------- https://www.borncity.com/blog/2021/08/12/accenture-opfer-der-lockbit-ransom… ∗∗∗ QR Code Scammers Get Creative with Bitcoin ATMs ∗∗∗ --------------------------------------------- Threat actors are targeting everyone from job hunters to Bitcoin traders to college students wanting a break on their student loans, by exploiting the popular technologys trust relationship with users. --------------------------------------------- https://threatpost.com/qr-code-scammers-bitcoin-atms/168621/ ∗∗∗ 7 ways to harden your environment against compromise ∗∗∗ --------------------------------------------- Here at the global Microsoft Compromise Recovery Security Practice (CRSP), we work with customers who have experienced disruptive security incidents to restore trust in identity systems and remove adversary control. During 2020, the team responded to many incidents involving ransomware and the deployment of crypto-mining tools. --------------------------------------------- https://www.microsoft.com/security/blog/2021/08/11/7-ways-to-harden-your-en… ∗∗∗ Best Practices for Web Form Security ∗∗∗ --------------------------------------------- Web form security ⁠— the set of tools and practices intended to protect web forms from attacks and abuse ⁠— is one of the most critical aspects of overall website security. Web forms allow users to interact with your site and enable a lot of useful functionality. However, once a user can interact with your site to do something useful there is a new attack surface for a hacker to exploit. --------------------------------------------- https://blog.sucuri.net/2021/08/best-practices-for-web-form-security.html ∗∗∗ Experts Shed Light On New Russian Malware-as-a-Service Written in Rust ∗∗∗ --------------------------------------------- A nascent information-stealing malware sold and distributed on underground Russian underground forums has been written in Rust, signalling a new trend where threat actors are increasingly adopting exotic programming languages to bypass security protections, evade analysis, and hamper reverse engineering efforts. --------------------------------------------- https://thehackernews.com/2021/08/experts-shed-light-on-new-russian.html ∗∗∗ Signed MSI files, Raccoon and Amadey are used for installing ServHelper RAT ∗∗∗ --------------------------------------------- Group TA505 has been active for at least seven years, making wide-ranging connections with other threat actors involved in ransomware, stealing credit card numbers and exfiltrating data. One of the common tools in TA505s arsenal is ServHelper. --------------------------------------------- https://blog.talosintelligence.com/2021/08/raccoon-and-amadey-install-servh… ∗∗∗ Why No HTTPS? The 2021 Version ∗∗∗ --------------------------------------------- More than 3 years ago now, Scott Helme and I launched a little project called Why No HTTPS? It listed the worlds largest websites that didnt properly redirect insecure requests to secure ones. We updated it December before last and pleasingly, noted that more websites than [...] --------------------------------------------- https://www.troyhunt.com/why-no-https-the-2021-version/ ∗∗∗ August 2021 ICS Patch Tuesday: Siemens, Schneider Address Over 50 Flaws ∗∗∗ --------------------------------------------- Siemens and Schneider Electric on Tuesday released 18 security advisories addressing a total of more than 50 vulnerabilities affecting their products. The vendors have provided patches, mitigations, and general security recommendations for reducing the risk of attacks. --------------------------------------------- https://www.securityweek.com/august-2021-ics-patch-tuesday-siemens-schneide… ∗∗∗ IISerpent: Malware‑driven SEO fraud as a service ∗∗∗ --------------------------------------------- The last in our series on IIS threats introduces a malicious IIS extension used to manipulate page rankings for third-party websites --------------------------------------------- https://www.welivesecurity.com/2021/08/11/iiserpent-malware-driven-seo-frau… ∗∗∗ Affiliates Unlocked: Gangs Switch Between Different Ransomware Families ∗∗∗ --------------------------------------------- The demise of Sodinokibi has led to a surge in LockBit activity, while there’s evidence affiliates are using multiple ransomware families to achieve their goals. --------------------------------------------- https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/ra… ∗∗∗ CobaltSpam tool can flood Cobalt Strike malware servers ∗∗∗ --------------------------------------------- A security researcher has published this week a tool to flood Cobalt Strike servers—often used by malware gangs—with fake beacons in order to corrupt their internal databases of infected systems. --------------------------------------------- https://therecord.media/cobaltspam-tool-can-flood-cobalt-strike-malware-ser… ===================== = Vulnerabilities = ===================== ∗∗∗ Intel schließt Sicherheitslücken in Laptops, Linux-Treibern & Co. ∗∗∗ --------------------------------------------- Angreifer könnten Intel-PCs attackieren und im schlimmsten Fall die volle Kontrolle über Computer erlangen. Sicherheitsupdates sind verfügbar. --------------------------------------------- https://heise.de/-6163478 ∗∗∗ JavaScript-Framework: Next.js 11.1 behebt eine Open-Redirect-Sicherheitslücke ∗∗∗ --------------------------------------------- Das React-Framework Next.js erhält knapp zwei Monate nach der letzten Hauptversion ein Update auf Version 11.1, um mögliche Open Redirects zu verhindern. --------------------------------------------- https://heise.de/-6163575 ∗∗∗ Security updates for Thursday ∗∗∗ --------------------------------------------- Security updates have been issued by CentOS (java-1.8.0-openjdk), Debian (firefox-esr, libspf2, and openjdk-11-jre-dcevm), Fedora (bluez, fetchmail, and prosody), Oracle (edk2, glib2, kernel, and libuv), Red Hat (.NET Core 3.1), SUSE (cpio), and Ubuntu (firefox and openssh). --------------------------------------------- https://lwn.net/Articles/866076/ ∗∗∗ Plone vulnerable to open redirect ∗∗∗ --------------------------------------------- https://jvn.jp/en/jp/JVN50804280/ ∗∗∗ Security Bulletin: IBM Maximo Asset Management is vulnerable to CSV Injection (CVE-2021-20509) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-maximo-asset-manageme… ∗∗∗ Security Vulnerabilities fixed in Thunderbird 91 ∗∗∗ --------------------------------------------- https://www.mozilla.org/en-US/security/advisories/mfsa2021-36/ ∗∗∗ TRUMPF Laser GmbH: multiple products prone to codesys runtime vulnerabilities ∗∗∗ --------------------------------------------- https://cert.vde.com/de-de/advisories/vde-2021-033 ∗∗∗ Node.js: Mehrere Schwachstellen ∗∗∗ --------------------------------------------- https://www.cert-bund.de/advisoryshort/CB-K21-0866 -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

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Tageszusammenfassung - 11.08.2021
by Daily end-of-shift report 11 Aug '21

11 Aug '21

===================== = End-of-Day report = ===================== Timeframe: Dienstag 10-08-2021 18:00 − Mittwoch 11-08-2021 18:00 Handler: Dimitri Robl Co-Handler: Thomas Pribitzer ===================== = News = ===================== ∗∗∗ Kaseyas universal REvil decryption key leaked on a hacking forum ∗∗∗ --------------------------------------------- The universal decryption key for REvils attack on Kaseyas customers has been leaked on hacking forums allowing researchers their first glimpse of the mysterious key. --------------------------------------------- https://www.bleepingcomputer.com/news/security/kaseyas-universal-revil-decr… ∗∗∗ New AdLoad malware variant slips through Apples XProtect defenses ∗∗∗ --------------------------------------------- A new AdLoad malware variant is slipping through Apples YARA signature-based XProtect built-in antivirus tech to infect Macs. --------------------------------------------- https://www.bleepingcomputer.com/news/apple/new-adload-malware-variant-slip… ∗∗∗ TA551 (Shathak) continues pushing BazarLoader, infections lead to Cobalt Strike, (Wed, Aug 11th) ∗∗∗ --------------------------------------------- TA551 (also known as Shathak) represents a threat actor behind malspam that has pushed different families of malware over the past few years. --------------------------------------------- https://isc.sans.edu/diary/rss/27738 ∗∗∗ Das Conti-Leak: Bedienungsanleitung für Ransomware ∗∗∗ --------------------------------------------- In den Handbüchern für Affiliates beschreiben die Kriminellen minutiös, wie man ein Netz auskundschaftet, Zugang ausweitet und schließlich Daten verschlüsselt. --------------------------------------------- https://heise.de/-6160551 ∗∗∗ Anonym im Internet: Sicherheitsupdates für Tor Browser und Tails OS erschienen ∗∗∗ --------------------------------------------- Die Entwickler haben Komponenten von Tor Browser und Tails aktualisiert, um die Sicherheit aufrechtzuerhalten. --------------------------------------------- https://heise.de/-6161195 ∗∗∗ 5 Costly Mistakes in Cyber Incident Response Preparation ∗∗∗ --------------------------------------------- Even with the best preparation and retainers, incident response is rarely an inexpensive endeavor in terms of money, people, operational disruption, or time. --------------------------------------------- https://www.dragos.com/blog/industry-news/5-costly-mistakes-in-cyber-incide… ∗∗∗ Conducting Architecture Reviews in Light of the New TSA Directives ∗∗∗ --------------------------------------------- TSA, the sector-specific agency for pipelines, released its first directive to the pipeline industry on May 27th and followed up with a second directive on July 20th. --------------------------------------------- https://www.dragos.com/blog/industry-news/conducting-architecture-reviews-i… ∗∗∗ Why Are Ransomware Attacks Against OT Increasing? ∗∗∗ --------------------------------------------- Most discussions around cybersecurity understandably focus on information technology (IT). Assets like cloud services and data centers are typically what companies spend the most time and effort securing. Recently, though, operational technology (OT) has come under increasing scrutiny from leading security experts in both the private and public sectors. --------------------------------------------- https://www.tripwire.com/state-of-security/ics-security/why-are-ransomware-… ∗∗∗ Hacker kapern Instagram-Profil und erpressen Opfer ∗∗∗ --------------------------------------------- BetrügerInnen haben es auf Instagram-Accounts mit vielen FollowerInnen abgesehen: Sie hacken deren Konten und verlangen anschließend Lösegeld. Wird nicht bezahlt, drohen die Hacker, das Profil zu löschen. --------------------------------------------- https://www.watchlist-internet.at/news/hacker-kapern-instagram-profil-und-e… ===================== = Vulnerabilities = ===================== ∗∗∗ VU#608209: NicheStack embedded TCP/IP has vulnerabilities ∗∗∗ --------------------------------------------- HCC Embeddeds software called InterNiche stack (NicheStack) and NicheLite, which provides TCP/IP networking capability to embedded systems, is impacted by multiple vulnerabilities. --------------------------------------------- https://kb.cert.org/vuls/id/608209 ∗∗∗ Patchday: Microsoft meldet abermals Attacken auf Windows ∗∗∗ --------------------------------------------- Es gibt wichtige Sicherheitsupdates für unter anderem kritische Lücken in Azure, Edge und verschiedenen Windows-Versionen. --------------------------------------------- https://heise.de/-6160526 ∗∗∗ Free Micropatches for "PetitPotam" (CVE-2021-36942) ∗∗∗ --------------------------------------------- Update 8/11/2021-B: Neither Microsofts August fix nor our micropatch seem to have covered all PetitPotam affected code. Both fixed the anonymous attack vector but we're investigating additional authenticated paths now and looking for the best way to patch that too. --------------------------------------------- https://blog.0patch.com/2021/08/free-micropatches-for-petitpotam.html ∗∗∗ Security updates for Wednesday ∗∗∗ --------------------------------------------- Security updates have been issued by Debian (ceph), Fedora (buildah, containernetworking-plugins, and podman), openSUSE (chromium, kernel, php7, python-CairoSVG, python-Pillow, seamonkey, and transfig), Red Hat (microcode_ctl), SUSE (kernel and libcares2), and Ubuntu (c-ares). --------------------------------------------- https://lwn.net/Articles/865978/ ∗∗∗ Intel Releases Multiple Security Updates ∗∗∗ --------------------------------------------- Intel has released security updates to address vulnerabilities multiple products. An attacker could exploit some of these vulnerabilities to take control of an affected system. --------------------------------------------- https://us-cert.cisa.gov/ncas/current-activity/2021/08/10/intel-releases-mu… ∗∗∗ iTunes 12.11.4 for Windows ∗∗∗ --------------------------------------------- https://support.apple.com/kb/HT212609 ∗∗∗ Security Bulletin: IBM Security Guardium is affected by an Improper Restriction of Excessive Authentication Attempts vulnerability (CVE-2021-20427) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-guardium-is-… ∗∗∗ Security Bulletin: IBM Security Guardium is affected by an OpenLDAP vulnerability (CVE-2020-25692) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-guardium-is-… ∗∗∗ Security Bulletin: IBM Disconnected Log Collector is vulnerable to using components with known vulnerabilities ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-disconnected-log-coll… ∗∗∗ Security Bulletin: Vulnerability in npm affects IBM VM Recovery Manager DR ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-npm-affe… ∗∗∗ Security Bulletin: IBM Security Guardium is affected by a Reliance on Untrusted Inputs in Security Descision ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-guardium-is-… ∗∗∗ Security Bulletin: IBM Security Guardium is affected by a Weak Password Policy vulnerability (CVE-2021-20418) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-guardium-is-… ∗∗∗ Security Bulletin: A vulnerability was identified and remediated in the IBM MaaS360 Cloud Extender (V2.103.000.051) and Modules ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-a-vulnerability-was-ident… ∗∗∗ VMSA-2021-0016 ∗∗∗ --------------------------------------------- https://www.vmware.com/security/advisories/VMSA-2021-0016.html ∗∗∗ AMD Prozessoren: Mehrere Schwachstellen ermöglichen Offenlegung von Informationen ∗∗∗ --------------------------------------------- http://www.cert-bund.de/advisoryshort/CB-K21-0852 -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

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Tageszusammenfassung - 10.08.2021
by Daily end-of-shift report 10 Aug '21

10 Aug '21

===================== = End-of-Day report = ===================== Timeframe: Montag 09-08-2021 18:00 − Dienstag 10-08-2021 18:00 Handler: Dimitri Robl Co-Handler: Thomas Pribitzer ===================== = News = ===================== ∗∗∗ eCh0raix ransomware now targets both QNAP and Synology NAS devices ∗∗∗ --------------------------------------------- A newly discovered eCh0raix ransomware variant has added support for encrypting both QNAP and Synology Network-Attached Storage (NAS) devices. --------------------------------------------- https://www.bleepingcomputer.com/news/security/ech0raix-ransomware-now-targ… ∗∗∗ Team Cymru’s Threat Hunting Maturity Model Explained ∗∗∗ --------------------------------------------- In this four part series we’ll be looking at Team Cymru’s Threat Hunting Maturity Model. --------------------------------------------- https://team-cymru.com/blog/2021/08/09/team-cymrus-threat-hunting-maturity-… ∗∗∗ Chaos Malware Walks Line Between Ransomware and Wiper ∗∗∗ --------------------------------------------- The dangerous malware has been rapidly developed since June and could be released into the wild soon. --------------------------------------------- https://threatpost.com/chaos-malware-ransomware-wiper/168520/ ∗∗∗ Vulnerability Management Resources ∗∗∗ --------------------------------------------- SANS Vulnerability Management Resources collected in one place for easy access. --------------------------------------------- https://www.sans.org/blog/vulnerability-management-resources ∗∗∗ XLSM Malware with MacroSheets ∗∗∗ --------------------------------------------- Excel-based malware has been around for decades and has been in the limelight in recent years. --------------------------------------------- https://www.mcafee.com/blogs/other-blogs/mcafee-labs/xlsm-malware-with-macr… ∗∗∗ Gefälschtes E-Mail der Post im Umlauf ∗∗∗ --------------------------------------------- Sie warten auf ein Paket? Dann nehmen Sie sich vor gefälschten Benachrichtigungen der Post in Acht. BetrügerInnen behaupten in einer E-Mail, dass Ihr Paket nicht zugestellt werden konnte und Sie über einen Link einen weiteren Zustellversuch anfordern müssen. --------------------------------------------- https://www.watchlist-internet.at/news/gefaelschtes-e-mail-der-post-im-umla… ===================== = Vulnerabilities = ===================== ∗∗∗ Root-Lücke in VPN-Lösung Pulse Connect Secure als Schadcode-Schlupfloch ∗∗∗ --------------------------------------------- Ein wichtiges Sicherheitsupdates schließt Schwachstellen in der Fernzugriff-Software Pulse Connect Secure. --------------------------------------------- https://heise.de/-6159492 ∗∗∗ Firefox und Firefox ESR gegen verschiedene Attacken abgesichert ∗∗∗ --------------------------------------------- Mozilla hat mehrere Sicherheitslücken in seinem Webbrowser Firefox geschlossen. --------------------------------------------- https://heise.de/-6160037 ∗∗∗ Security updates for Tuesday ∗∗∗ --------------------------------------------- Security updates have been issued by CentOS (flatpak and microcode_ctl), Debian (c-ares, lynx, openjdk-8, and tomcat9), Fedora (kernel), openSUSE (apache-commons-compress, aria2, djvulibre, fastjar, kernel, libvirt, linuxptp, mysql-connector-java, nodejs8, virtualbox, webkit2gtk3, and wireshark), Oracle (kernel, kernel-container, and microcode_ctl), Red Hat (glib2, kernel, kernel-rt, kpatch-patch, and rust-toolset-1.52 and rust-toolset-1.52-rust), Scientific Linux (microcode_ctl), [...] --------------------------------------------- https://lwn.net/Articles/865872/ ∗∗∗ Adobe Releases Security Updates for Multiple Products ∗∗∗ --------------------------------------------- Adobe has released security updates to address vulnerabilities in multiple Adobe products. --------------------------------------------- https://us-cert.cisa.gov/ncas/current-activity/2021/08/10/adobe-releases-se… ∗∗∗ WordPress Plugin "Quiz And Survey Master" vulnerable to cross-site scripting ∗∗∗ --------------------------------------------- https://jvn.jp/en/jp/JVN65388002/ ∗∗∗ SSA-938030: DGN and PAR File Parsing Vulnerabilities in JT2Go and Teamcenter Visualization before V13.2.0.2 ∗∗∗ --------------------------------------------- https://cert-portal.siemens.com/productcert/txt/ssa-938030.txt ∗∗∗ SSA-865327: Incorrect Authorization Vulnerability in Industrial Products ∗∗∗ --------------------------------------------- https://cert-portal.siemens.com/productcert/txt/ssa-865327.txt ∗∗∗ SSA-830194: Missing Authentication Vulnerability in S7-1200 Devices ∗∗∗ --------------------------------------------- https://cert-portal.siemens.com/productcert/txt/ssa-830194.txt ∗∗∗ SSA-818688: Multiple Vulnerabilities in Solid Edge before SE2021MP7 ∗∗∗ --------------------------------------------- https://cert-portal.siemens.com/productcert/txt/ssa-818688.txt ∗∗∗ SSA-756744: OS Command Injection Vulnerability in SINEC NMS ∗∗∗ --------------------------------------------- https://cert-portal.siemens.com/productcert/txt/ssa-756744.txt ∗∗∗ SSA-679335: Multiple Vulnerabilities in Embedded FTP Server of SIMATIC NET CP Modules ∗∗∗ --------------------------------------------- https://cert-portal.siemens.com/productcert/txt/ssa-679335.txt ∗∗∗ SSA-553445: DNS "Name:Wreck" Vulnerabilities in Multiple Siemens Energy AGT and SGT solutions ∗∗∗ --------------------------------------------- https://cert-portal.siemens.com/productcert/txt/ssa-553445.txt ∗∗∗ SSA-365397: Multiple File Parsing Vulnerabilities in JT2Go and Teamcenter Visualization before V13.2.0.1 ∗∗∗ --------------------------------------------- https://cert-portal.siemens.com/productcert/txt/ssa-365397.txt ∗∗∗ SSA-309571: IPU 2021.1 Vulnerabilities in Siemens Industrial Products using Intel CPUs (June 2021) ∗∗∗ --------------------------------------------- https://cert-portal.siemens.com/productcert/txt/ssa-309571.txt ∗∗∗ SSA-158827: Denial-of-Service Vulnerability in Automation License Manager ∗∗∗ --------------------------------------------- https://cert-portal.siemens.com/productcert/txt/ssa-158827.txt ∗∗∗ Security Bulletin: A vulnerability in glibc impacts IBM Watson™ Speech Services ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-a-vulnerability-in-glibc-… ∗∗∗ Security Bulletin: IBM Security Guardium is affected by a jackson-databind vulnerability ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-guardium-is-… ∗∗∗ Security Bulletin: IBM Security Guardium is affected by a kernel vulnerability (CVE-2020-25705, CVE-2020-28374) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-guardium-is-… ∗∗∗ Security Bulletin: A Vulnerability in IBM Java Runtime Affects IBM Sterling Connect:Direct File Agent ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-a-vulnerability-in-ibm-ja… ∗∗∗ Security Bulletin: IBM Planning Analytics Spreadsheet Services is affected by security vulnerabilities ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-planning-analytics-sp… ∗∗∗ Security Bulletin: IBM Security Guardium is affected by a Spring Framework vulnerability ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-guardium-is-… ∗∗∗ Security Bulletin: IBM Security Guardium is affected by a Oracle MySQL vulnerabilities ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-guardium-is-… ∗∗∗ Security Bulletin: Vulnerability in self-service console affects IBM Cloud Pak System (CVE-2021-20478) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-self-ser… ∗∗∗ Security Bulletin: IBM Security Guardium is affected by multiple vulnerabilities ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-guardium-is-… ∗∗∗ XSA-357 ∗∗∗ --------------------------------------------- https://xenbits.xen.org/xsa/advisory-357.html ∗∗∗ TYPO3 Core: Schwachstelle ermöglicht Cross-Site Scripting ∗∗∗ --------------------------------------------- http://www.cert-bund.de/advisoryshort/CB-K21-0842 ∗∗∗ SAP Patchday August 2021: Mehrere Schwachstellen ∗∗∗ --------------------------------------------- http://www.cert-bund.de/advisoryshort/CB-K21-0847 ∗∗∗ Citrix ShareFile storage zones controller security update ∗∗∗ --------------------------------------------- https://support.citrix.com/article/CTX322787 ∗∗∗ XML External Entity Expansion in MobileTogether Server ∗∗∗ --------------------------------------------- https://www.redteam-pentesting.de/en/advisories/rt-sa-2021-002/ -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

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Tageszusammenfassung - 09.08.2021
by Daily end-of-shift report 09 Aug '21

09 Aug '21

===================== = End-of-Day report = ===================== Timeframe: Freitag 06-08-2021 18:00 − Montag 09-08-2021 18:00 Handler: Dimitri Robl Co-Handler: Thomas Pribitzer ===================== = News = ===================== ∗∗∗ Verschlüsselung: Sicherheitsrisiko STARTTLS ∗∗∗ --------------------------------------------- Das STARTTLS-Verfahren hat zahlreiche Sicherheitsrisiken. Überall, wo es möglich ist, hat die direkte Nutzung von TLS nur Vorteile. --------------------------------------------- https://www.golem.de/news/verschluesselung-sicherheitsrisiko-starttls-2108-… ∗∗∗ Black Hat: DNS-as-a-Service könnte Netzwerkinfrastruktur verraten ∗∗∗ --------------------------------------------- Durch einen Trick konnten Sicherheitsforscher Informationen über die Netzwerkinfrastruktur der Kunden eines DNS-as-a-Service-Anbieters erlangen. --------------------------------------------- https://heise.de/-6157720 ∗∗∗ Exchange ProxyShell-Lücke: Scans suchen nach verwundbaren Servern ∗∗∗ --------------------------------------------- Mehrere tausend Server sind allein in Deutschland für die neue Exchange-Lücke anfällig. Dabei gibt es längst Patches von Microsoft. --------------------------------------------- https://heise.de/-6158946 ∗∗∗ Die Anatomie nativer IIS‑Malware ∗∗∗ --------------------------------------------- ESET-Forscher veröffentlichen ein Whitepaper, das Bedrohungen durch IIS-Webserver genau unter die Lupe nimmt --------------------------------------------- https://www.welivesecurity.com/deutsch/2021/08/06/die-anatomie-nativer-iis-… ∗∗∗ IQ-Test auf offiziell-qi-test.com führt in die Abo-Falle! ∗∗∗ --------------------------------------------- Mit nur 30 Fragen kann man einen zertifizierten IQ-Test durchführen, heißt es auf der Webseite offiziell-qi-test.com. Erst nachdem der Test durchgeführt wurde, wird man erstmals auf Kosten hingewiesen: Um das Ergebnis zu sehen soll man 3,90 Euro zahlen. Doch Achtung: Im Kleingedruckten finden sich weitere Kosten und eine Abo-Falle! --------------------------------------------- https://www.watchlist-internet.at/news/iq-test-auf-offiziell-qi-testcom-fue… ∗∗∗ Cisco: Firewall manager RCE bug is a zero-day, patch incoming ∗∗∗ --------------------------------------------- In a Thursday security advisory update, Cisco revealed that a remote code execution (RCE) vulnerability in the Adaptive Security Device Manager (ADSM) Launcher disclosed last month is a zero-day bug that has yet to receive a security update. --------------------------------------------- https://www.bleepingcomputer.com/news/security/cisco-firewall-manager-rce-b… ∗∗∗ Synology warns of malware infecting NAS devices with ransomware ∗∗∗ --------------------------------------------- Taiwan-based NAS maker Synology has warned customers that the StealthWorker botnet is targeting their network-attached storage devices in ongoing brute-force attacks. --------------------------------------------- https://www.bleepingcomputer.com/news/security/synology-warns-of-malware-in… ∗∗∗ SQL Injection in WordPress Plugins: ORDER and ORDER BY as Overlooked Injection Points ∗∗∗ --------------------------------------------- Trustwave SpiderLabs recently undertook a survey of some 100 popular WordPress plugins for possible SQL Injection vulnerabilities. Some good news is that in the vast majority, no such vulnerabilities were identified. Most plugins were found to be using either prepared statements or suitable sanitization when incorporating user-controlled data in a query. Of the five vulnerable plugins identified, some patterns emerged, [...] --------------------------------------------- https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/sql-injecti… ∗∗∗ Beware! New Android Malware Hacks Thousands of Facebook Accounts ∗∗∗ --------------------------------------------- A new Android trojan has been found to compromise Facebook accounts of over 10,000 users in at least 144 countries since March 2021 via fraudulent apps distributed through Google Play Store and other third-party app marketplaces. Dubbed "FlyTrap," the previously undocumented malware is believed to be part of a family of trojans that employ social engineering tricks to breach Facebook accounts [...] --------------------------------------------- https://thehackernews.com/2021/08/beware-new-android-malware-hacks.html ∗∗∗ Phishing Sites Targeting Scammers and Thieves ∗∗∗ --------------------------------------------- I was preparing to knock off work on a recent Friday evening when a curious and annoying email came in via the contact form on this site: “Hello I go by the username Nuclear27 on your site Briansclub[.]com,” wrote “Mitch,” confusing me with the proprietor of perhaps the underground’s largest bazaar for stolen credit and identity data. “I made a deposit to my wallet on the site but nothing has shown up yet and I would like to know why.” --------------------------------------------- https://krebsonsecurity.com/2021/08/phishing-sites-targeting-scammers-and-t… ∗∗∗ Routers and modems running Arcadyan firmware are under attack ∗∗∗ --------------------------------------------- Routers and modems running a version of the Arcadyan firmware, including devices from ASUS, Orange, Vodafone, and Verizon, are currently under attack from a threat actor attempting to ensnare the devices into their DDoS botnet. --------------------------------------------- https://therecord.media/routers-and-modems-running-arcadyan-firmware-are-un… ===================== = Vulnerabilities = ===================== ∗∗∗ ZDI-21-951: (0Day) Delta Industrial Automation DOPSoft XLS File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability ∗∗∗ --------------------------------------------- This vulnerability allows remote attackers to execute arbitrary code on affected installations of Delta Industrial Automation DOPSoft. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. --------------------------------------------- http://www.zerodayinitiative.com/advisories/ZDI-21-951/ ∗∗∗ Sicherheitsrelevanter Bug in net-Bibliothek von Go und Rust ∗∗∗ --------------------------------------------- Die Bibliothek net in Go und Rust verhält sich nicht standardkonform und verschluckt führende Nullen. Angreifer könnten so falsche IP-Adressen einschleusen. --------------------------------------------- https://heise.de/-6157969 ∗∗∗ Exchange Server jetzt patchen: Angreifer suchen aktiv nach neuer Lücke ∗∗∗ --------------------------------------------- Admins sollten ihre Exchange Server zügig aktualisieren. Nachdem Forscher einen neuen Angriff vorgestellt haben, probieren Angreifer ihn offenbar gezielt aus. --------------------------------------------- https://heise.de/-6158190 ∗∗∗ Security updates for Monday ∗∗∗ --------------------------------------------- Security updates have been issued by Debian (ansible and bluez), Fedora (curl, kernel, mod_auth_openidc, rust-rav1e, and webkit2gtk3), Mageia (kernel and kernel-linus), openSUSE (php7 and python-reportlab), Oracle (ruby:2.7), Red Hat (microcode_ctl), SUSE (fastjar, kvm, mariadb, php7, php72, php74, and python-Pillow), and Ubuntu (docker.io). --------------------------------------------- https://lwn.net/Articles/865680/ ∗∗∗ Apple fixes AWDL bug that could be used to escape air-gapped networks ∗∗∗ --------------------------------------------- Apple has fixed a vulnerability in its Apple Wireless Direct Link (AWDL) technology that could have been abused by threat actors to escape and steal data from air-gapped networks. --------------------------------------------- https://therecord.media/apple-fixed-awdl-bug-that-could-be-used-to-escape-a… ∗∗∗ Apache Tomcat vulnerability CVE-2021-33037 ∗∗∗ --------------------------------------------- https://support.f5.com/csp/article/K32469285 ∗∗∗ Security Bulletin: Vulnerability in IBM® SDK Java™ Technology Edition, Version 7, Version 8, that is used by IBM Workload Scheduler. ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-ibm-sdk-… ∗∗∗ Security Bulletin: Vulnerability in IBM® SDK Java™ Technology Edition, Version 7, Version 8, that is used by IBM Workload Scheduler. ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-ibm-sdk-… ∗∗∗ Security Bulletin: Multiple vulnerabilities in OpenSSL may affect IBM Workload Scheduler ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-multiple-vulnerabilities-… ∗∗∗ Security Bulletin: CVE-2020-1968 vulnerability in OpenSSL may affect IBM Workload Scheduler ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-cve-2020-1968-vulnerabili… ∗∗∗ Security Bulletin: Multiple vulnerabilities in OpenSSL may affect IBM Workload Scheduler ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-multiple-vulnerabilities-… ∗∗∗ Security Bulletin: Multiple vulnerabilities in GNU Binutils affect IBM Netezza Platform Software ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-multiple-vulnerabilities-… ∗∗∗ Security Bulletin: ICN Is Vulnerable to Improper Input Validation ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-icn-is-vulnerable-to-impr… ∗∗∗ Security Bulletin: Vulnerability in bind (CVE-2021-25215) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-bind-cve… ∗∗∗ Security Bulletin: Vulnerabilities in IBM Java included with IBM Tivoli Monitoring ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerabilities-in-ibm-ja… ∗∗∗ Security Bulletin: openSSL and Apache Hadoop vulnerability impacting Aspera High-Speed Transfer Server, Aspera High-Speed Transfer Endpoint, Aspera Desktop Client, Aspera On Demand (CVE-2020-1971, CVE-2020-9492) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-openssl-and-apache-hadoop… ∗∗∗ Security Bulletin: Vulnerability in Dojo affects WebSphere Application Server (CVE-2020-5258) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-dojo-aff… ∗∗∗ Security Bulletin: Stack overflow via TIS_CODESET environment variable in IBM Workload Scheduler ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-stack-overflow-via-tis_co… -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

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Tageszusammenfassung - 06.08.2021
by Daily end-of-shift report 06 Aug '21

06 Aug '21

===================== = End-of-Day report = ===================== Timeframe: Donnerstag 05-08-2021 18:00 − Freitag 06-08-2021 18:00 Handler: Thomas Pribitzer Co-Handler: n/a ===================== = News = ===================== ∗∗∗ Linux version of BlackMatter ransomware targets VMware ESXi servers ∗∗∗ --------------------------------------------- The BlackMatter gang has joined the ranks of ransomware operations to develop a Linux encryptor that targets VMwares ESXi virtual machine platform. --------------------------------------------- https://www.bleepingcomputer.com/news/security/linux-version-of-blackmatter… ∗∗∗ Lockbit 2.0: Ransomware will Firmen-Insider rekrutieren ∗∗∗ --------------------------------------------- Die Ransomware-Gruppe Lockbit sucht auf ungewöhnliche Weise nach Insidern, die ihr Zugangsdaten übermitteln sollen. --------------------------------------------- https://www.golem.de/news/lockbit-2-0-ransomware-will-firmen-insider-rekrut… ∗∗∗ Malicious Microsoft Word Remains A Key Infection Vector, (Fri, Aug 6th) ∗∗∗ --------------------------------------------- Despite Microsoft's attempts to make its Office suite more secure and disable many automatic features, despite the fact that users are warned that suspicious documents should not be opened, malicious Word documents remain a key infection vector today. --------------------------------------------- https://isc.sans.edu/diary/rss/27716 ∗∗∗ Using “Master Faces” to Bypass Face-Recognition Authenticating Systems ∗∗∗ --------------------------------------------- A master face is a face image that passes face-based identity-authentication for a large portion of the population. These faces can be used to impersonate, with a high probability of success, any user, without having access to any user-information. --------------------------------------------- https://www.schneier.com/blog/archives/2021/08/using-master-faces-to-bypass… ∗∗∗ EU officials investigating breach of Cybersecurity Atlas project ∗∗∗ --------------------------------------------- The European Commission is investigating a breach of its Cybersecurity Atlas project after a copy of the site’s backend database was put up for sale on an underground cybercrime forum on Monday. --------------------------------------------- https://therecord.media/eu-officials-investigating-breach-of-cybersecurity-… ∗∗∗ Security-Oscars: And the Pwnie goes to … ∗∗∗ --------------------------------------------- Der Pandemie zum Trotz hat die Pwnie-Jury auch in diesem Jahr die Security-Oscars verliehen – und natürlich auch "Goldene Himbeeren". --------------------------------------------- https://heise.de/-6157581 ∗∗∗ What is Tor? ∗∗∗ --------------------------------------------- We give a brief overview of Tor, the secure communications tool. We explain what it is, how you can use it, and some of the potential drawbacks. --------------------------------------------- https://blog.malwarebytes.com/privacy-2/2021/08/what-is-tor/ ∗∗∗ Black Hat: How cybersecurity incidents can become a legal minefield ∗∗∗ --------------------------------------------- Facing a cyberattack? Pick up the phone and talk to legal help as well as incident response. --------------------------------------------- https://www.zdnet.com/article/black-hat-how-cybersecurity-can-be-a-legal-mi… ∗∗∗ Disgruntled ransomware affiliate leaks the Conti gang’s technical manuals ∗∗∗ --------------------------------------------- A disgruntled member of the Conti ransomware program has leaked today the manuals and technical guides used by the Conti gang to train affiliate members on how to access, move laterally, and escalate access inside a hacked company and then exfiltrate its data before encrypting files. --------------------------------------------- https://therecord.media/disgruntled-ransomware-affiliate-leaks-the-conti-ga… ===================== = Vulnerabilities = ===================== ∗∗∗ VU#357312: HTTP Request Smuggling in Web Proxies ∗∗∗ --------------------------------------------- HTTP web proxies and web accelerators that support HTTP/2 for an HTTP/1.1 backend webserver are vulnerable to HTTP Request Smuggling. --------------------------------------------- https://kb.cert.org/vuls/id/357312 ∗∗∗ Kindle: Mit Schadcode infizierte E-Books konnten Amazon-Account kapern ∗∗∗ --------------------------------------------- Mit infizierten E-Books konnten Sicherheitsforscher Kindle-Reader und sogar Amazon-Konten übernehmen. Amazon hat die Lücke mittlerweile geschlossen. --------------------------------------------- https://heise.de/-6157512 ∗∗∗ Security updates for Friday ∗∗∗ --------------------------------------------- Security updates have been issued by Debian (tomcat8), Mageia (bluez, exiv2, fetchmail, libsndfile, nodejs, php-pear, python-pillow, and rabbitmq-server), openSUSE (apache-commons-compress, balsa, djvulibre, mariadb, mysql-connector-java, nodejs8, opera, and spice-vdagent), Red Hat (ruby:2.7), SUSE (apache-commons-compress, djvulibre, java-11-openjdk, libsndfile, mariadb, nodejs8, and spice-vdagent), and Ubuntu (docker.io). --------------------------------------------- https://lwn.net/Articles/865465/ ∗∗∗ Black Hat: BadAlloc bugs expose millions of IoT devices to hijack ∗∗∗ --------------------------------------------- BadAlloc vulnerabilities impact millions of devices worldwide. --------------------------------------------- https://www.zdnet.com/article/black-hat-badalloc-bugs-expose-millions-of-io… ∗∗∗ Security Bulletin: Vulnerability in IBM® SDK Java™ Technology Edition, Version 7, Version 8, that is used by IBM Workload Scheduler. ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-ibm-sdk-… ∗∗∗ Security Bulletin: Vulnerability in IBM® SDK Java™ Technology Edition, Version 7, Version 8, that is used by IBM Workload Scheduler. ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-ibm-sdk-… ∗∗∗ Free Micropatches for "PetitPotam" ∗∗∗ --------------------------------------------- https://blog.0patch.com/2021/08/free-micropatches-for-petitpotam.html ∗∗∗ HCC Embedded InterNiche TCP/IP stack, NicheLite ∗∗∗ --------------------------------------------- https://us-cert.cisa.gov/ics/advisories/icsa-21-217-01 ∗∗∗ FATEK Automation FvDesigner ∗∗∗ --------------------------------------------- https://us-cert.cisa.gov/ics/advisories/icsa-21-217-02 ∗∗∗ mySCADA myPRO ∗∗∗ --------------------------------------------- https://us-cert.cisa.gov/ics/advisories/icsa-21-217-03 ∗∗∗ Advantech WebAccess SCADA ∗∗∗ --------------------------------------------- https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04 ∗∗∗ CISA Releases Security Advisory for InterNiche Products ∗∗∗ --------------------------------------------- https://us-cert.cisa.gov/ncas/current-activity/2021/08/05/cisa-releases-sec… -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

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Tageszusammenfassung - 05.08.2021
by Daily end-of-shift report 05 Aug '21

05 Aug '21

===================== = End-of-Day report = ===================== Timeframe: Mittwoch 04-08-2021 18:00 − Donnerstag 05-08-2021 18:00 Handler: Thomas Pribitzer Co-Handler: Stephan Richter ===================== = News = ===================== ∗∗∗ Ransomware: Unternehmen beklagen immense Schäden durch Cyberangriffe ∗∗∗ --------------------------------------------- Die Angriffe mit Ransomware nehmen massiv zu, zeigt nun auch der Bitkom-Verband. Auch das Homeoffice wird sicherheitskritisch. --------------------------------------------- https://www.golem.de/news/ransomware-unternehmen-beklagen-immense-schaeden-… ∗∗∗ Cisco beseitigt kritische Schwachstellen aus Small Business-Routern der RV-Serie ∗∗∗ --------------------------------------------- Jetzt updaten: Remote Code Execution und Denial-of-Service wären mögliche Angriffskonsequenzen. Auch für weitere Cisco-Produkte sind wichtige Updates verfügbar. --------------------------------------------- https://heise.de/-6155856 ∗∗∗ Sicherheitsforscher entdecken Schwachstellen in Industriekontrollsystemen von Mitsubishi ∗∗∗ --------------------------------------------- Die Patches sind bereits in Arbeit, aber noch nicht erhältlich. Grund dafür ist ein aufwändiges Zertifizierungsverfahren. Möglicherweise sind auch Produkte anderer Hersteller betroffen. --------------------------------------------- https://www.zdnet.de/88396132/sicherheitsforscher-entdecken-schwachstellen-… ∗∗∗ Black Hat USA 2021: Security Advisories – mehr Durchblick dank Automatisierung ∗∗∗ --------------------------------------------- Uneinheitliche Advisory-Formate kosten wertvolle Zeit. Und wie beschreibt man eigentlich eine "Nicht-Verwundbarkeit"? CSAF und VEX sollen Abhilfe schaffen. --------------------------------------------- https://heise.de/-6155594 ∗∗∗ Microsoft Teams korrekt absichern ∗∗∗ --------------------------------------------- Microsoft Teams ist beliebt, gerät aber immer stärker ins Visier von Hackern. Wie Sie den Schutz der Kollaborations-Software am besten bewerkstelligen, schildert Bert Skorupski, Senior Manager Sales Engineering bei Quest Software, im ersten Teil eines zweiteiligen Gastbeitrages. --------------------------------------------- https://www.zdnet.de/88396112/microsoft-teams-korrekt-absichern/ ∗∗∗ Vorsicht vor mykundenservice.com: Hohe Telefonrechnung droht! ∗∗∗ --------------------------------------------- Während die meisten Unternehmen Kontakttelefonnummern offen kommunizieren, tun dies andere nicht. Da wäre eine Sammlung von Kontaktnummern durchaus hilfreich. Auf mykundenservice.com verspricht man zwar eine solche Sammlung, doch eigentlich lockt man zum Anruf einer 0900-Nummer. Achtung: Hier entstehen hohe Kosten! --------------------------------------------- https://www.watchlist-internet.at/news/vorsicht-vor-mykundenservicecom-hohe… ∗∗∗ How to Protect against EMOTET - "The World’s Most Dangerous Malware" ∗∗∗ --------------------------------------------- In the summer of 2020, malware infections were on a clear rise. Many new variants were appearing, and enterprises, government agencies, business leaders, and public officials were all voicing concern. Yet, seven years after it was first discovered, the spread of the EMOTET malware was arguably most concerning of all. --------------------------------------------- https://www.beyondtrust.com/blog/entry/how-to-protect-against-emotet-the-wo… ∗∗∗ Windows admins now can block external devices via layered Group Policy ∗∗∗ --------------------------------------------- Microsoft has added support for layered Group Policies, which allow IT admins to control what internal or external devices users can be installed on corporate endpoints across their organizations network. --------------------------------------------- https://www.bleepingcomputer.com/news/microsoft/windows-admins-now-can-bloc… ∗∗∗ MacOS Flaw in Telegram Retrieves Deleted Messages ∗∗∗ --------------------------------------------- Telegram declined to fix a scenario in which the flaw can be exploited, spurring a Trustwave researcher to decline a bug bounty and to disclose his findings instead. --------------------------------------------- https://threatpost.com/macos-flaw-in-telegram-retrieves-deleted-messages/16… ∗∗∗ Examining Unique Magento Backdoors ∗∗∗ --------------------------------------------- During a recent investigation into a compromised Magento ecommerce environment, we discovered the presence of five different backdoors that would provide attackers with code execution capabilities. The techniques used by the attackers in these backdoors illustrates the ever-changing landscape of website security and highlights some of the tactics used to avoid traditional backdoor detection. --------------------------------------------- https://blog.sucuri.net/2021/08/examining-unique-magento-backdoors.html ∗∗∗ Microsoft Patched the Issue With Windows Containers That Enabled Siloscape ∗∗∗ --------------------------------------------- Microsoft recently added additional security checks that address the Windows container escape that enabled Siloscape. --------------------------------------------- https://unit42.paloaltonetworks.com/windows-container-escape-patch/ ∗∗∗ Meet Prometheus, the secret TDS behind some of today’s malware campaigns ∗∗∗ --------------------------------------------- A recently discovered cybercrime service is helping malware gangs distribute their malicious payloads to unsuspecting users using a network of hacked websites. --------------------------------------------- https://therecord.media/meet-prometheus-the-secret-tds-behind-some-of-today… ∗∗∗ Pegasus Spyware: How It Works and What It Collects ∗∗∗ --------------------------------------------- An NSO document leaked to the internet reveals how the Pegasus spyware - sold to intelligence and law enforcement agencies around the world - can be used to spy on targeted mobile phones. --------------------------------------------- https://zetter.substack.com/p/pegasus-spyware-how-it-works-and ∗∗∗ From Stranger to DA // Using PetitPotam to NTLM relay to Domain Administrator ∗∗∗ --------------------------------------------- Knock knock, who’s there? Your new DA! Several vulnerabilities that have been recently disclosed, namely: MS-EFSRPC – AKA PetitPotam Credential Relaying abusing the AD CS role Any attacker with internal network access, such as a phished client or a malicious planted device in the network, can take over the entire Active Directory domain without any [...] --------------------------------------------- https://blog.truesec.com/2021/08/05/from-stranger-to-da-using-petitpotam-to… ===================== = Vulnerabilities = ===================== ∗∗∗ Cisco Security Advisories 2021-08-04 ∗∗∗ --------------------------------------------- 1 critical, 4 high, 2 medium severity --------------------------------------------- https://tools.cisco.com/security/center/Search.x?publicationTypeIDs=1&secur… ∗∗∗ SA44858 - 9.1R12 Security Fixes ∗∗∗ --------------------------------------------- [...] Fixes for all the CVEs listed above have been included in the latest version of PCS, 9.1R12, which was released on 2 August 2021. We strongly encourage you to upgrade to ensure your organization is protected. --------------------------------------------- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44858 ∗∗∗ VMSA-2021-0016 ∗∗∗ --------------------------------------------- VMware Workspace One Access, Identity Manager and vRealize Automation address multiple vulnerabilities (CVE-2021-22002, CVE-2021-22003) --------------------------------------------- https://www.vmware.com/security/advisories/VMSA-2021-0016.html ∗∗∗ Security updates for Thursday ∗∗∗ --------------------------------------------- Security updates have been issued by Debian (jetty9 and openexr), openSUSE (mariadb and virtualbox), Red Hat (go-toolset-1.15 and go-toolset-1.15-golang), SUSE (djvulibre and mariadb), and Ubuntu (opencryptoki). --------------------------------------------- https://lwn.net/Articles/865306/ ∗∗∗ Amazon and Google patch major bug in their DNS-as-a-Service platforms ∗∗∗ --------------------------------------------- At the Black Hat security conference today, two security researchers have disclosed a security issue impacting hosted DNS service providers that can be abused to hijack the platforms nodes, intercept some of the incoming DNS traffic, and then map customers internal networks. --------------------------------------------- https://therecord.media/amazon-and-google-patch-major-bug-in-their-dns-as-a… ∗∗∗ IBM Security Bulletins 2021-08-04 ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/ ∗∗∗ BIG-IP LTM HTTP/2 desync attacks: malicious CRLF placement security exposure ∗∗∗ --------------------------------------------- https://support.f5.com/csp/article/K97045220 ∗∗∗ BIG-IP LTM HTTP/2 desync attacks: request line injection ∗∗∗ --------------------------------------------- https://support.f5.com/csp/article/K63312282 ∗∗∗ ffmpeg: Schwachstelle ermöglicht nicht spezifizierten Angriff ∗∗∗ --------------------------------------------- https://www.cert-bund.de/advisoryshort/CB-K21-0832 ∗∗∗ Red Hat OpenShift: Schwachstelle ermöglicht Denial of Service ∗∗∗ --------------------------------------------- https://www.cert-bund.de/advisoryshort/CB-K21-0835 -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

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Tageszusammenfassung - 04.08.2021
by Daily end-of-shift report 04 Aug '21

04 Aug '21

===================== = End-of-Day report = ===================== Timeframe: Dienstag 03-08-2021 18:00 − Mittwoch 04-08-2021 18:00 Handler: Thomas Pribitzer Co-Handler: n/a ===================== = News = ===================== ∗∗∗ New Cobalt Strike bugs allow takedown of attackers’ servers ∗∗∗ --------------------------------------------- Security researchers have discovered Cobalt Strike denial of service (DoS) vulnerabilities that allow blocking beacon command-and-control (C2) communication channels and new deployments. --------------------------------------------- https://www.bleepingcomputer.com/news/security/new-cobalt-strike-bugs-allow… ∗∗∗ Phishing Campaign Dangles SharePoint File-Shares ∗∗∗ --------------------------------------------- Attackers spoof sender addresses to appear legitimate in a crafty campaign that can slip past numerous detections, Microsoft researchers have discovered. --------------------------------------------- https://threatpost.com/phishing-sharepoint-file-shares/168356/ ∗∗∗ Three Problems with Two Factor Authentication, (Tue, Aug 3rd) ∗∗∗ --------------------------------------------- Usability remains a challenge for two-factor authentication. I recently came across a review of a healthcare-related mobile app, and a one-star review complained about how unusable the application is due to its two-factor requirement. --------------------------------------------- https://isc.sans.edu/diary/rss/27704 ∗∗∗ Pivoting and Hunting for Shenanigans from a Reported Phishing Domain, (Wed, Aug 4th) ∗∗∗ --------------------------------------------- I was alerted to a web page masquerading as a local financial institution earlier in the day. The phishing web page was constructed well, looked extremely similar to the financial institutions actual page and had input fields for victims to input their credentials. --------------------------------------------- https://isc.sans.edu/diary/rss/27710 ∗∗∗ SAML is insecure by design ∗∗∗ --------------------------------------------- SAML uses signatures based on computed values. The practice is inherently insecure and thus SAML as a design is insecure. --------------------------------------------- https://joonas.fi/2021/08/saml-is-insecure-by-design/ ∗∗∗ Vulnerability Spotlight: Use-after-free vulnerability in tinyobjloader ∗∗∗ --------------------------------------------- Cisco Talos recently discovered a use-after-free vulnerability in a specific function of tinyobjloader. --------------------------------------------- https://blog.talosintelligence.com/2021/08/vuln-spotlight-.html ∗∗∗ Value of PLC Key Switch Monitoring to Keep Critical Systems More Secure ∗∗∗ --------------------------------------------- Programmable Logic Controllers (PLC) and Safety Instrumented Systems (SIS) Controllers have historically included an external switch, generally in the form of a key, to perform maintenance and troubleshooting. --------------------------------------------- https://www.dragos.com/blog/industry-news/value-of-plc-key-switch-monitorin… ∗∗∗ OpSec Leaky Images ∗∗∗ --------------------------------------------- Hackers love your marketing department. Fact! Your marketing department love telling the world what happens in your company, then they attach images to the posts, often of staff at work. --------------------------------------------- https://www.pentestpartners.com/security-blog/opsec-leaky-images/ ∗∗∗ Achtung Scheckbetrug: Restaurant-BesitzerInnen erhalten betrügerische Reservierungsanfragen! ∗∗∗ --------------------------------------------- BetrügerInnen versuchen mit vermeintlichen Reservierungen an das Geld von Restaurant-BesitzerInnen zu kommen: Wenn ein vermeintlicher Gast aus dem Ausland für eine größere Gruppe reservieren und das Geld vorab per Scheck bezahlen will, gilt es vorsichtig zu sein. --------------------------------------------- https://www.watchlist-internet.at/news/achtung-scheckbetrug-restaurant-besi… ∗∗∗ IntelMQ 3.0 - Configuration, Domain based workflow, IEPs ∗∗∗ --------------------------------------------- We are happy to announce the completion of the IntelMQ 3.0 milestone. --------------------------------------------- https://cert.at/en/blog/2021/8/intelmq-30-domain-based-workflow-ieps ∗∗∗ Shodan Verified Vulns 2021-08-01 ∗∗∗ --------------------------------------------- Schwachstellen machen leider keine Pause im Sommer und entsprechend haben wir auch diesen Monat wieder einen Blick auf jene geworfen, die Shodan in Österreich sieht. --------------------------------------------- https://cert.at/de/aktuelles/2021/8/shodan-verified-vulns-2021-08-01 ===================== = Vulnerabilities = ===================== ∗∗∗ INFRA:HALT: Neue Schwachstellen im TCP/IP-Stack von Industriegeräten entdeckt ∗∗∗ --------------------------------------------- Das Forscherteam um "Amnesia:33", "Number:Jack" und Co. hat weitere Schwachstellen gefunden – diesmal im "NicheStack" für den Bereich Operational Technology. --------------------------------------------- https://heise.de/-6154631 ∗∗∗ Security updates for Wednesday ∗∗∗ --------------------------------------------- Security updates have been issued by Debian (asterisk, libpam-tacplus, and wordpress), Fedora (buildah and podman), openSUSE (thunderbird and webkit2gtk3), Oracle (kernel and varnish:6), SUSE (kernel, kvm, and webkit2gtk3), and Ubuntu (libdbi-perl and php-pear). --------------------------------------------- https://lwn.net/Articles/865192/ ∗∗∗ Security Bulletin: IBM App Connect Enterprise Certified Container could allow a remote attacker to execute arbitrary code due to CVE-2021-33195 ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-app-connect-enterpris… ∗∗∗ Security Bulletin: Vulnerability in Apache Commons IO may affect Cúram Social Program Management (CVE-2021-29425) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-apache-c… ∗∗∗ Security Bulletin: Vulnerability in Dojo may affect Cúram Social Program Management (CVE-2020-5258) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-dojo-may… ∗∗∗ Security Bulletin: IBM API Connect is impacted by reflected cross site scripting (CVE-2020-4707) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-api-connect-is-impact… ∗∗∗ PHOENIX CONTACT : Products utilizing WIBU SYSTEMS CodeMeter components in versions prior to V7.21a ∗∗∗ --------------------------------------------- https://cert.vde.com/de-de/advisories/vde-2021-036 ∗∗∗ PHOENIX CONTACT : DoS for PLCnext Control devices in versions prior to 2021.0.5 LTS ∗∗∗ --------------------------------------------- https://cert.vde.com/de-de/advisories/vde-2021-029 ∗∗∗ Dell integrated Dell Remote Access Controller: Mehrere Schwachstellen ∗∗∗ --------------------------------------------- http://www.cert-bund.de/advisoryshort/CB-K21-0830 ∗∗∗ Cross Site Request Forgery (CSRF) vulnerability in Bosch IP cameras ∗∗∗ --------------------------------------------- https://psirt.bosch.com/security-advisories/bosch-sa-033305-bt.html ∗∗∗ SYSS-2021-042: Tiny Java Web Server and Servlet Container (TJWS) – Reflected Cross-Site Scripting ∗∗∗ --------------------------------------------- https://www.syss.de/pentest-blog/syss-2021-042-tiny-java-web-server-and-ser… -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

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