Daily January 2020

daily@lists.cert.at

1 participants
21 discussions

Tageszusammenfassung - 17.01.2020
by Daily end-of-shift report 17 Jan '20

17 Jan '20

===================== = End-of-Day report = ===================== Timeframe: Donnerstag 16-01-2020 18:00 − Freitag 17-01-2020 18:00 Handler: Thomas Pribitzer Co-Handler: Stephan Richter ===================== = News = ===================== ∗∗∗ TrickBot Now Uses a Windows 10 UAC Bypass to Evade Detection ∗∗∗ --------------------------------------------- The TrickBot Trojan has received an update that adds a UAC bypass targeting the Windows 10 operating system so that it infects users without displaying any visible prompts. --------------------------------------------- https://www.bleepingcomputer.com/news/security/trickbot-now-uses-a-windows-… ∗∗∗ Dutch Govt Suggests Turning Off Citrix ADC Devices, Mitigations May Fail ∗∗∗ --------------------------------------------- Mitigation recommendations for CVE-2019-19781, a currently unpatched critical flaw affecting Citrix Application Delivery Controller (ADC) and Citrix Gateway, do not have the expected effect on all product versions. --------------------------------------------- https://www.bleepingcomputer.com/news/security/dutch-govt-suggests-turning-… ∗∗∗ FTCODE Ransomware - New Version Includes Stealing Capabilities ∗∗∗ --------------------------------------------- Recently, the Zscaler ThreatLabZ team came across PowerShell-based ransomware called “FTCODE,” which targets Italian-language users. An earlier version of FTCODE ransomware was being downloaded using a document file that contained malicious macros. In the recent campaign, the ransomware is being downloaded using VBScript. --------------------------------------------- https://www.zscaler.com/blogs/research/ftcode-ransomware--new-version-inclu… ∗∗∗ 404 Exploit Not Found: Vigilante Deploying Mitigation for CitrixNetScaler Vulnerability While Maintaining Backdoor ∗∗∗ --------------------------------------------- As noted in Rough Patch: I Promise Itll Be 200 OK, our FireEye Mandiant Incident Response team has been hard at work responding to intrusions stemming from the exploitation of CVE-2019-19781. After analyzing dozens of successful exploitation attempts against Citrix ADCs that did not have the Citrix mitigation steps implemented, we’ve recognized multiple groups of post-exploitation activity. Within these, something caught our eye: one particular threat actor that’s been deploying a [...] --------------------------------------------- http://www.fireeye.com/blog/threat-research/2020/01/vigilante-deploying-mit… ∗∗∗ Hinweise auf mögliche Verwundbarkeiten der Medizin-Telematik ∗∗∗ --------------------------------------------- Open-Source-Bibliotheken, die im Telematik-Konnektor von T-Systems zum Einsatz kommen, weisen hunderte bekannter Sicherheitslücken auf. --------------------------------------------- https://heise.de/-4635791 ∗∗∗ WeLeakInfo, the site which sold access to passwords stolen in data breaches, is brought down by the FBI ∗∗∗ --------------------------------------------- Law enforcement agencies have seized control of the domain of WeLeakInfo, a website offering cheap access to billions of personal credentials stolen from approximately 10,000 data breaches. --------------------------------------------- https://www.grahamcluley.com/weleakinfo-seized/ ===================== = Vulnerabilities = ===================== ∗∗∗ Schneider Electric Modicon Controllers ∗∗∗ --------------------------------------------- This advisory contains mitigations for several improper check for unusual or exceptional conditions vulnerabilities in Schneider Electric Modicon PLC controllers. --------------------------------------------- https://www.us-cert.gov/ics/advisories/icsa-20-016-01 ∗∗∗ Security updates for Friday ∗∗∗ --------------------------------------------- Security updates have been issued by Arch Linux (chromium), Fedora (gnulib, ImageMagick, jetty, ocsinventory-agent, phpMyAdmin, python-django, rubygem-rmagick, thunderbird, and xar), Mageia (e2fsprogs, kernel, and libjpeg), openSUSE (icingaweb2), Oracle (git, java-11-openjdk, and thunderbird), Red Hat (.NET Core), Scientific Linux (git, java-11-openjdk, and thunderbird), SUSE (fontforge and LibreOffice), and Ubuntu (kamailio and thunderbird). --------------------------------------------- https://lwn.net/Articles/809916/ ∗∗∗ HPESBNS03981 rev.1 - HPE ViewPoint on NonStop, Local Disclosure of Sensitive Information ∗∗∗ --------------------------------------------- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_n… ∗∗∗ HPESBNS03976 rev.1 - HPE NonStop using Sudo ∗∗∗ --------------------------------------------- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_n… ∗∗∗ Pivotal Spring Framework: Mehrere Schwachstellen ∗∗∗ --------------------------------------------- http://www.cert-bund.de/advisoryshort/CB-K20-0057 ∗∗∗ Trend Micro Produkte: Mehrere Schwachstellen ermöglichen Erlangen von Administratorrechten ∗∗∗ --------------------------------------------- http://www.cert-bund.de/advisoryshort/CB-K20-0055 ∗∗∗ Linux Kernel: Schwachstelle ermöglicht Offenlegung von Informationen ∗∗∗ --------------------------------------------- http://www.cert-bund.de/advisoryshort/CB-K20-0058 -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

1 0

Tageszusammenfassung - 16.01.2020
by Daily end-of-shift report 16 Jan '20

16 Jan '20

===================== = End-of-Day report = ===================== Timeframe: Mittwoch 15-01-2020 18:00 − Donnerstag 16-01-2020 18:00 Handler: Thomas Pribitzer Co-Handler: Stephan Richter ===================== = News = ===================== ∗∗∗ Microsoft Office January Security Updates Fix Code Execution Bugs ∗∗∗ --------------------------------------------- Microsoft released the January 2019 Office security updates, bundling a total of seven security updates and three cumulative updates for five different products, six of them patching flaws allowing remote code execution. --------------------------------------------- https://www.bleepingcomputer.com/news/security/microsoft-office-january-sec… ∗∗∗ PoC Exploits Published For Microsoft Crypto Bug ∗∗∗ --------------------------------------------- Two proof-of-concept exploits were publicly released for the major Microsoft crypto-spoofing vulnerability. --------------------------------------------- https://threatpost.com/poc-exploits-published-for-microsoft-crypto-bug/1519… ∗∗∗ CVE-2020-0601 Followup, (Wed, Jan 15th) ∗∗∗ --------------------------------------------- Among the patches Microsoft released yesterday, the vulnerability in the CryptoAPI got by far the most attention. Here are some answers to questions we have received about this vulnerability. Many of these questions also came from our webcast audience (for a recording, see https://sans.org/cryptoapi-isc ) Thanks to Jake Williams for helping us with the webcast! --------------------------------------------- https://isc.sans.edu/diary/rss/25714 ∗∗∗ What do Brit biz consultants and X-rated cam stars have in common? Wide open... AWS S3 buckets on public internet ∗∗∗ --------------------------------------------- Exposed: Intimate... personal details belonging to thousands of folks A pair of misconfigured cloud-hosted file silos have left thousands of peoples sensitive info sitting on the open internet. --------------------------------------------- https://go.theregister.co.uk/feed/www.theregister.co.uk/2020/01/15/open_s3_… ∗∗∗ Analyzing Magecart Malware - From Zero to Hero ∗∗∗ --------------------------------------------- Javascript obfuscation is not a new trend, but it is widely used today to hide malware code in many websites. This post is for technical readers who want to understand Magecart’s common obfuscation pattern, and ways to decode it. --------------------------------------------- https://www.perimeterx.com/blog/analyzing_magecart_malware_from_zero_to_her… ∗∗∗ Sicherheitsupdates: Lücken in VMware-Software bedrohen Android, iOS und Windows ∗∗∗ --------------------------------------------- Es sind wichtige Sicherheitsupdates für VMware Tools und Workspace ONE SDK erschienen. --------------------------------------------- https://heise.de/-4639627 ∗∗∗ Key Cloud Security Challenges and Strategies to Overcome Them ∗∗∗ --------------------------------------------- The cloud has changed how we use and consume IT services. Where data resides along with how it is transferred, stored and processed has fundamentally changed and with-it new risk management challenges. Let’s talk about some of those challenges. First and foremost, the cat is out of the bag. We’re not going back to the [...] --------------------------------------------- https://www.tripwire.com/state-of-security/security-data-protection/cloud/k… ∗∗∗ Unseriöse Angebote für die digitale Vignette ∗∗∗ --------------------------------------------- Wie jedes Jahr steht bei den meisten AutofahrerInnen mit dem Jahreswechsel der Kauf einer neuen Vignette an. Diese kann analog oder digital unter anderem bei der ASFINAG, dem ÖAMTC und dem ARBÖ erworben werden. Achtung: Auch unseriöse Angebote, bei denen das gesetzliche Widerrufsrecht unterschlagen wird und zusätzliche Kosten anfallen, sind im Internet zu finden. --------------------------------------------- https://www.watchlist-internet.at/news/unserioese-angebote-fuer-die-digital… ∗∗∗ Beware of this sneaky phishing technique now being used in more attacks ∗∗∗ --------------------------------------------- Security company researchers warn of a large increase in conversation-hijacking attacks. Heres what they are and how to spot them. --------------------------------------------- https://www.zdnet.com/article/beware-of-this-sneaky-phishing-technique-now-… ===================== = Vulnerabilities = ===================== ∗∗∗ OSIsoft PI Vision ∗∗∗ --------------------------------------------- This advisory contains mitigations for improper access control, cross-site request forgery, cross-site scripting, and inclusion of sensitive information vulnerabilities in OSIsofts PI Vision visualization tool. --------------------------------------------- https://www.us-cert.gov/ics/advisories/icsa-20-014-06 ∗∗∗ Radix - Moderately critical - Cross site scripting - SA-CONTRIB-2020-001 ∗∗∗ --------------------------------------------- Project: Radix Date: 2020-January-15 Security risk: Moderately critical 13∕25 AC:Basic/A:Admin/CI:Some/II:Some/E:Theoretical/TD:All Vulnerability: Cross site scripting Description: Radix is a base theme for Drupal, with Bootstrap 4, Sass, ES6 and BrowserSync built-in. The module doesnt sufficiently filter menu titles when used in a dropdown in the main menu. This vulnerability is mitigated by the fact that an attacker must have permission to edit a menu title used in the main menu. --------------------------------------------- https://www.drupal.org/sa-contrib-2020-001 ∗∗∗ Easily Exploitable Vulnerabilities Patched in WP Database Reset Plugin ∗∗∗ --------------------------------------------- On January 7th, our Threat Intelligence team discovered vulnerabilities in WP Database Reset, a WordPress plugin installed on over 80,000 websites. One of these flaws allowed any unauthenticated user to reset any table from the database to the initial WordPress set-up state, while the other flaw allowed any authenticated user, even those with minimal permissions, [...] --------------------------------------------- https://www.wordfence.com/blog/2020/01/easily-exploitable-vulnerabilities-p… ∗∗∗ Security updates for Thursday ∗∗∗ --------------------------------------------- Security updates have been issued by Debian (debian-lan-config and phpmyadmin), openSUSE (openssl-1_1), Oracle (firefox and kernel), Red Hat (.NET Core, git, java-11-openjdk, and thunderbird), SUSE (Mesa, python3, shibboleth-sp, slurm, and tigervnc), and Ubuntu (libpcap and nginx). --------------------------------------------- https://lwn.net/Articles/809769/ ∗∗∗ HPESBGN03975 rev.1 - HPE enhanced Internet Usage Manager (eIUM), Remote Cross Site Scripting ∗∗∗ --------------------------------------------- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_n… ∗∗∗ HPESBHF03978 rev.1 - HPE Superdome Flex Server, Multiple Remote Vulnerabilities ∗∗∗ --------------------------------------------- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_n… ∗∗∗ Foxit Reader und Foxit Phantom PDF Suite: Mehrere Schwachstellen ∗∗∗ --------------------------------------------- http://www.cert-bund.de/advisoryshort/CB-K20-0052 ∗∗∗ Wireshark: Mehrere Schwachstellen ermöglichen Denial of Service ∗∗∗ --------------------------------------------- http://www.cert-bund.de/advisoryshort/CB-K20-0053 -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

1 0

Tageszusammenfassung - 15.01.2020
by Daily end-of-shift report 15 Jan '20

15 Jan '20

===================== = End-of-Day report = ===================== Timeframe: Dienstag 14-01-2020 18:00 − Mittwoch 15-01-2020 18:00 Handler: Stephan Richter Co-Handler: Robert Waldner ===================== = News = ===================== ∗∗∗ Patch Tuesday: Windows patzt bei Zertifikatsprüfung ∗∗∗ --------------------------------------------- Eine Lücke in der Zertifikatsvalidierung von Windows ermöglicht es, die Codesignaturprüfung auszutricksen und TLS-Verbindungen anzugreifen. Zudem gibt es eine Sicherheitslücke im Remote Desktop Gateway. --------------------------------------------- https://www.golem.de/news/patch-tuesday-windows-patzt-bei-zertifikatspruefu… ∗∗∗ CISA Releases Emergency Directive and Activity Alert on Critical Microsoft Vulnerabilities ∗∗∗ --------------------------------------------- The Cybersecurity and Infrastructure Security Agency (CISA) has released an Emergency Directive and Activity Alert addressing critical vulnerabilities affecting Windows CryptoAPI, Windows Remote Desktop Gateway (RD Gateway), and Windows Remote Desktop Client. A remote attacker could exploit these vulnerabilities to decrypt, modify, or inject data on user connections. --------------------------------------------- https://www.us-cert.gov/ncas/current-activity/2020/01/14/cisa-releases-emer… ∗∗∗ Critical Cisco DCNM flaws: Patch right now as PoC exploits are released ∗∗∗ --------------------------------------------- The need to patch Cisco Data Center Network Manager for Nexus switches becomes even more urgent. --------------------------------------------- https://www.zdnet.com/article/critical-cisco-dcnm-flaws-patch-right-now-as-… ===================== = Vulnerabilities = ===================== ∗∗∗ Oracle Critical Patch Update Advisory - January 2020 ∗∗∗ --------------------------------------------- This Critical Patch Update contains 334 new security patches across the product families listed below. --------------------------------------------- https://www.oracle.com/security-alerts/cpujan2020.html ∗∗∗ Huawei Security Advisories ∗∗∗ --------------------------------------------- * Intel Microarchitectural Data Sampling (MDS) vulnerabilities * Three OpenSSL Vulnerabilities in Huawei Products * Page-Cache Side-Channel Vulnerability * Three DoS Vulnerabilities in the SIP Module of Some Huawei Products * Information Leakage Vulnerability in some Huawei Firewall Product * Buffer Overflow Vulnerability in QEMU-KVM * FRP Bypass Vulnerability in Huawei Smart Phones * Insufficient Authentication Vulnerability in Some Huawei Smart Phones * Improper Authentication Vulnerability in Smartphones * FragmentSmack Vulnerability in Linux Kernel * Two Integer Overflow Vulnerabilities in LDAP of Some Huawei Products --------------------------------------------- https://www.huawei.com/en/psirt/all-bulletins?name=security-advisories&year… ∗∗∗ Sicherheitsupdates: Intel-Lücken zur Rechteausweitung geschlossen ∗∗∗ --------------------------------------------- Intels Entwickler haben gefährliche Lücken in unter anderem Chip-/CPU-Software und VTune geschlossen. --------------------------------------------- https://heise.de/-4638307 ∗∗∗ VMSA-2020-0002 ∗∗∗ --------------------------------------------- VMware Tools workaround addresses a local privilege escalation vulnerability (CVE-2020-3941) --------------------------------------------- https://www.vmware.com/security/advisories/VMSA-2020-0002.html ∗∗∗ Security updates for Wednesday ∗∗∗ --------------------------------------------- Security updates have been issued by Arch Linux (thunderbird), CentOS (firefox), openSUSE (chromium, firefox, GraphicsMagick, log4j, nodejs8, phpMyAdmin, singularity, and virglrenderer), Oracle (kernel), Red Hat (firefox), SUSE (man, nodejs10, openssl-1_1, and php7), and Ubuntu (php5, php7.0, php7.2, php7.3 and spamassassin). --------------------------------------------- https://lwn.net/Articles/809624/ -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

1 0

Tageszusammenfassung - 14.01.2020
by Daily end-of-shift report 14 Jan '20

14 Jan '20

===================== = End-of-Day report = ===================== Timeframe: Montag 13-01-2020 18:00 − Dienstag 14-01-2020 18:00 Handler: Stephan Richter Co-Handler: n/a ===================== = News = ===================== ∗∗∗ Windows 7 Reaches End of Life Tomorrow, What You Need to Know ∗∗∗ --------------------------------------------- Its the end of an era: Windows 7 will reach end of support tomorrow, on January 14, a decade after its initial release, with Microsoft to no longer provide users with software updates and security updates or fixes. --------------------------------------------- https://www.bleepingcomputer.com/news/microsoft/windows-7-reaches-end-of-li… ∗∗∗ Shitrix: Das Citrix-Desaster ∗∗∗ --------------------------------------------- Eine Sicherheitslücke in Geräten der Firma Citrix zeigt in erschreckender Weise, wie schlecht es um die IT-Sicherheit in Behörden steht. Es fehlt an den absoluten Grundlagen. --------------------------------------------- https://www.golem.de/news/shitrix-das-citrix-desaster-2001-146047-rss.html ∗∗∗ Malware Obfuscation, Encoding and Encryption ∗∗∗ --------------------------------------------- Malware is complex and meant to confuse. Many computer users think malware is just another word for “virus” when a virus is actually a type of malware. And in addition to viruses, malware includes all sorts of malicious and unwanted code, including spyware, adware, Trojans and worms. Malware has been known to shut down [...] --------------------------------------------- https://resources.infosecinstitute.com/malware-obfuscation-encoding-and-enc… ∗∗∗ CISA Releases Test for Citrix ADC and Gateway Vulnerability ∗∗∗ --------------------------------------------- The Cybersecurity and Infrastructure Security Agency (CISA) has released a utility that enables users and administrators to test whether their Citrix Application Delivery Controller (ADC) and Citrix Gateway software is susceptible to the CVE-2019-19781 vulnerability. According to Citrix Security Bulletin CTX267027, beginning on January 20, 2020, Citrix will be releasing new versions of Citrix ADC and Citrix Gateway that will patch CVE-2019-19781. --------------------------------------------- https://www.us-cert.gov/ncas/current-activity/2020/01/13/cisa-releases-test… ∗∗∗ Mehrwertdienste von Drittanbietern auf Ihrer Handyrechnung sind meist Abo-Fallen ∗∗∗ --------------------------------------------- Eine Handyrechnung, die höher ausfällt als gewohnt, bedeutet meist nichts Gutes. Oftmals finden Sie Abbuchungen von Drittanbietern, Mehrwert- oder Partnerdiensten auf Ihrer Rechnung. Sie haben wahrscheinlich unwissentlich bei einem unseriösen Anbieter einen Abo-Vertrag abgeschlossen. Ihr Geld ist höchstwahrscheinlich jedoch nicht verloren: Sie können die Rechnung beim Mobilfunkanbieter beanstanden! --------------------------------------------- https://www.watchlist-internet.at/news/mehrwertdienste-von-drittanbietern-a… ∗∗∗ Microsoft spots malicious npm package stealing data from UNIX systems ∗∗∗ --------------------------------------------- Malicious JavaScript package was only active on the npm repository for two weeks. --------------------------------------------- https://www.zdnet.com/article/microsoft-spots-malicious-npm-package-stealin… ===================== = Vulnerabilities = ===================== ∗∗∗ Security Bulletins Posted ∗∗∗ --------------------------------------------- Adobe has published security bulletins for Adobe Experience Manager (APSB20-01) and Adobe Illustrator (APSB20-03). Adobe recommends users update their product installations to the latest versions using the instructions referenced in the bulletin. This posting is provided “AS IS” with no warranties and confers no rights. --------------------------------------------- https://blogs.adobe.com/psirt/?p=1820 ∗∗∗ XSA-312 - arm: a CPU may speculate past the ERET instruction ∗∗∗ --------------------------------------------- Some CPUs can speculate past an ERET instruction and potentially perform speculative accesses to memory before processing the exception return. Since the register state is often controlled by lower privilege level (i.e guest kernel/userspace) at the point of the ERET, this could potentially be used as part of a side-channel attack. --------------------------------------------- https://xenbits.xen.org/xsa/advisory-312.html ∗∗∗ Security updates for Tuesday ∗∗∗ --------------------------------------------- Security updates have been issued by Debian (wordpress and xen), Mageia (graphicsmagick, kernel, makepasswd, and unbound), openSUSE (containerd, docker, docker-runc,, dia, ffmpeg-4, libgcrypt, php7-imagick, proftpd, rubygem-excon, shibboleth-sp, tomcat, trousers, and xen), Oracle (firefox), Red Hat (kernel), Scientific Linux (firefox), SUSE (e2fsprogs, kernel, and libsolv, libzypp, zypper), and Ubuntu (libgcrypt20, libvirt, nginx, sdl-image1.2, and spamassassin). --------------------------------------------- https://lwn.net/Articles/809506/ ∗∗∗ SAP Security Patch Day – January 2020 ∗∗∗ --------------------------------------------- This post by SAP Product Security Response Team shares information on Patch Day Security Notes* that are released on second Tuesday of every month and fix vulnerabilities discovered in SAP products. SAP strongly recommends that the customer visits the Support Portal and applies patches on a priority to protect their SAP landscape. On 14th of January 2020, SAP Security Patch Day saw the release of 6 Security Notes. There are 1 updates to previously released Patch Day [...] --------------------------------------------- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=533671771 ∗∗∗ Siemens Security Advisories ∗∗∗ --------------------------------------------- https://new.siemens.com/global/en/products/services/cert.html#SecurityPubli… ∗∗∗ BIG-IP engineering hotfix TMM vulnerability CVE-2020-5852 ∗∗∗ --------------------------------------------- https://support.f5.com/csp/article/K53590702 ∗∗∗ BIG-IP APM Portal Access vulnerability CVE-2020-5853 ∗∗∗ --------------------------------------------- https://support.f5.com/csp/article/K73183618 ∗∗∗ BIG-IP engineering hotfix Trusted Platform Module vulnerability CVE-2020-5851 ∗∗∗ --------------------------------------------- https://support.f5.com/csp/article/K91171450 ∗∗∗ Critical Authentication Bypass Vulnerability in InfiniteWP Client Plugin ∗∗∗ --------------------------------------------- https://www.wordfence.com/blog/2020/01/critical-authentication-bypass-vulne… ∗∗∗ OTRS: Mehrere Schwachstellen ∗∗∗ --------------------------------------------- http://www.cert-bund.de/advisoryshort/CB-K20-0026 -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

1 0

Tageszusammenfassung - 13.01.2020
by Daily end-of-shift report 13 Jan '20

13 Jan '20

===================== = End-of-Day report = ===================== Timeframe: Freitag 10-01-2020 18:00 − Montag 13-01-2020 18:00 Handler: Robert Waldner Co-Handler: n/a ===================== = News = ===================== ∗∗∗ Citrix CVE-2019-19781 aktiv ausgenutzt ∗∗∗ --------------------------------------------- Ende 2019 wurde eine Sicherheitslücke in diversen Citrix-Geräten bekannt (CVE-2019-19781), die das Ausführen beliebiger Befehle über das Netzwerk ohne jegliche Authentifikation ermöglicht (unauthenticated RCE). Am 10. Jänner 2020 wurde der erste Exploit für diese Lücke auf GitHub veröffentlicht und sie wird (spätestens) seit diesem Zeitpunkt aktiv ausgenutzt. --------------------------------------------- https://cert.at/de/blog/2020/1/citrix-cve-2019-19781-aktiv-ausgenutzt ∗∗∗ Network Traffic Analysis for Incident Response: Internet Protocol with Wireshark ∗∗∗ --------------------------------------------- The Internet Protocol (IP) is the most widely-used network-level protocol. Common transport-level protocols, the Transport Control Protocol (TCP) and the User Datagram Protocol (UDP), are encapsulated within IP packets. The purpose of IP is to make networks like the internet possible. Within a subnet, it is possible to route traffic [...] --------------------------------------------- https://resources.infosecinstitute.com/network-traffic-analysis-for-inciden… ===================== = Vulnerabilities = ===================== ∗∗∗ Security updates for Monday ∗∗∗ --------------------------------------------- Security updates have been issued by Arch Linux (file and firefox), Debian (apache-log4j1.2), Fedora (chromium, dovecot, GraphicsMagick, kubernetes, libvpx, makepasswd, matio, and slurm), Mageia (libtomcrypt, ming, oniguruma, opencv, pcsc-lite, phpmyadmin, and thunderbird), openSUSE (chromium, chromium, re2, and mozilla-nspr, mozilla-nss), Red Hat (chromium-browser, firefox, and rabbitmq-server), Slackware (mozilla), and SUSE (crowbar-core, crowbar-openstack, [...] --------------------------------------------- https://lwn.net/Articles/809312/ ∗∗∗ Security Advisory - Weak Algorithm Vulnerability in Some Huawei Products ∗∗∗ --------------------------------------------- http://www.huawei.com/en/psirt/security-advisories/2020/huawei-sa-20200108-… ∗∗∗ Security Vulnerabilities fixed in Thunderbird 68.4.1 ∗∗∗ --------------------------------------------- https://www.mozilla.org/en-US/security/advisories/mfsa2020-04/ -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

1 0

Tageszusammenfassung - 10.01.2020
by Daily end-of-shift report 10 Jan '20

10 Jan '20

===================== = End-of-Day report = ===================== Timeframe: Donnerstag 09-01-2020 18:00 − Freitag 10-01-2020 18:00 Handler: Robert Waldner Co-Handler: n/a ===================== = News = ===================== ∗∗∗ Remote iPhone Exploitation Part 1: Poking Memory via iMessage and CVE-2019-8641 ∗∗∗ --------------------------------------------- This is the first blog post in a three-part series that will detail how a vulnerability in iMessage can be exploited remotely without any user interaction on iOS 12.4 (fixed in iOS 12.4.1 in August 2019). It is essentially a more detailed version of my 36C3 talk from December 2019. --------------------------------------------- https://googleprojectzero.blogspot.com/2020/01/remote-iphone-exploitation-p… ∗∗∗ Windows Debugging & Exploiting Part 3: WinDBG Time Travel Debugging ∗∗∗ --------------------------------------------- Time to start 2020? No better time for writing about the TTD (Time Travel Debugging) feature from WinDBG. --------------------------------------------- https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/windows-deb… ===================== = Vulnerabilities = ===================== ∗∗∗ D-LINK Router: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode mit Administratorrechten ∗∗∗ --------------------------------------------- Betroffene Systeme: D-LINK Router DCS-935L, D-LINK Router DCS-960L Ein entfernter, anonymer Angreifer kann eine Schwachstelle in D-LINK Routern ausnutzen, um die Kontrolle über das Gerät zu übernehmen. --------------------------------------------- https://www.bsi-fuer-buerger.de/SharedDocs/Warnmeldungen/DE/TW/2020/01/warn… ∗∗∗ VMSA-2020-0001 - VMware Workspace ONE SDK and dependent mobile application updates address sensitive information disclosure vulnerability (CVE-2020-3940) ∗∗∗ --------------------------------------------- VMware Workspace ONE SDK and dependent mobile applications do not properly handle certificate verification failures if SSL Pinning has been enabled in the Workspace ONE UEM Console. VMware has evaluated the severity of this issue to be in the moderate severity range with a maximum CVSSv3 base score of 6.8. --------------------------------------------- https://www.vmware.com/security/advisories/VMSA-2020-0001.html ∗∗∗ Security updates for Friday ∗∗∗ --------------------------------------------- Security updates have been issued by Debian (ldm and sa-exim), Mageia (firefox), openSUSE (chromium, firefox, and thunderbird), SUSE (containerd, docker, docker-runc, golang-github-docker-libnetwork, firefox, log4j, nodejs10, nodejs12, and openssl-1_0_0), and Ubuntu (firefox). --------------------------------------------- https://lwn.net/Articles/809175/ ∗∗∗ Mattermost security update 5.18.1 / 5.17.3 / 5.16.5 / 5.9.8 (ESR) released ∗∗∗ --------------------------------------------- We have released a recommended security update via Mattermost Team Edition 5.18.1, 5.17.3, 5.16.5, 5.9.8 (ESR) and Mattermost Enterprise Edition 5.18.1, 5.17.3, 5.16.5, 5.9.8 (ESR). This security update addresses a high level vulnerability discovered during a security research review by Juho Nurminen. --------------------------------------------- https://mattermost.com/blog/mattermost-security-update-5-18-1-5-17-3-5-16-5… -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

1 0

Tageszusammenfassung - 09.01.2020
by Daily end-of-shift report 09 Jan '20

09 Jan '20

===================== = End-of-Day report = ===================== Timeframe: Mittwoch 08-01-2020 18:00 − Donnerstag 09-01-2020 18:00 Handler: Robert Waldner Co-Handler: n/a ===================== = News = ===================== ∗∗∗ SNAKE Ransomware Is the Next Threat Targeting Business Networks ∗∗∗ --------------------------------------------- Since network administrators didnt already have enough on their plate, they now have to worry about a new ransomware called SNAKE that is targeting their networks and aiming to encrypt all of the devices connected to it [...] --------------------------------------------- https://www.bleepingcomputer.com/news/security/snake-ransomware-is-the-next… ∗∗∗ A tale of a lesser known NFS privesc ∗∗∗ --------------------------------------------- There are countless online examples of privilege escalation abusing bad NFS configuration. However they all rely on the same prerequisite: that you are able to mount the share from somewhere else. ... But it just so happens that there is another, lesser known local exploit. --------------------------------------------- https://www.errno.fr/nfs_privesc ∗∗∗ What is the Linux Auditing System (aka AuditD)? ∗∗∗ --------------------------------------------- The Linux Auditing System is a native feature to the Linux kernel that collects certain types of system activity to facilitate incident investigation. ... Our goal is to present a neutral overview of the Linux Auditing System so anyone considering implementing it in their own organization knows what to consider before embarking on their quest and what challenges may lurk ahead. --------------------------------------------- https://capsule8.com/blog/auditd-what-is-the-linux-auditing-system/ ===================== = Vulnerabilities = ===================== ∗∗∗ Schnell updaten: Sicherheitslücke in Firefox wird aktiv ausgenutzt ∗∗∗ --------------------------------------------- Firefox hat mit Version 72.0.1 ein wichtiges Sicherheitsupdate herausgegeben. Geschlossen wird eine Sicherheitslücke, die bereits aktiv ausgenutzt wird. Gemeldet wurde sie von einer chinesischen Sicherheitsfirma. (Firefox, Browser) --------------------------------------------- https://www.golem.de/news/schnell-updaten-sicherheitsluecke-in-firefox-wird… ∗∗∗ What is Cable Haunt? ∗∗∗ --------------------------------------------- Cable Haunt is a critical vulnerability found in cable modems from various manufacturers across the world. ... First, access to the vulnerable endpoint is gained through a client on the local network, such as a browser. Secondly the vulnerable endpoint is hit with a buffer overflow attack, which gives the attacker control of the modem. .. list of confirmed vulnerable modems: Sagemcom F@st 3890/3986, Technicolor TC7230, Netgear C6250EMR/CG3700EMR, COMPAL 7284E/7486E --------------------------------------------- https://cablehaunt.com/ ∗∗∗ Security updates for Thursday ∗∗∗ --------------------------------------------- Security updates have been issued by Debian (firefox-esr), Fedora (firefox), Oracle (kernel), Slackware (firefox and kernel), SUSE (apache2-mod_perl, git, java-1_7_0-ibm, java-1_7_1-ibm, log4j, mariadb, and nodejs8), and Ubuntu (gnutls28, graphicsmagick, and nss). --------------------------------------------- https://lwn.net/Articles/809074/ ∗∗∗ CVE-2020-6175 - Citrix SD-WAN Security Update ∗∗∗ --------------------------------------------- An information disclosure vulnerability has been identified in the Citrix SD-WAN Appliance. This vulnerability could allow an unauthenticated attacker to perform a man-in-the-middle attack against management traffic. The vulnerability has been assigned the following CVE number. CVE-2020-6175 – Information Disclosure in Citrix SD-WAN Appliance 10.2.x before 10.2.6 and 11.0.x before 11.0.3 --------------------------------------------- https://support.citrix.com/article/CTX263526 ∗∗∗ JSA10979 - 2020-01 Security Bulletin: Junos OS: A specific SNMP command can trigger a high CPU usage Denial of Service in the RPD daemon. (CVE-2020-1600) ∗∗∗ --------------------------------------------- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10979&actp=RSS ∗∗∗ JSA10980 - 2020-01 Security Bulletin: Junos OS: Upon receipt of certain types of malformed PCEP packets the pccd process may crash. (CVE-2020-1601) ∗∗∗ --------------------------------------------- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10980&actp=RSS ∗∗∗ JSA10982 - 2020-01 Security Bulletin: Junos OS: Improper handling of specific IPv6 packets sent by clients may cause client devices IPv6 traffic to be black holed, and eventually kernel crash (vmcore) the device. (CVE-2020-1603) ∗∗∗ --------------------------------------------- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10982&actp=RSS ∗∗∗ JSA10981 - 2020-01 Security Bulletin: Junos OS and Junos OS Evolved: Multiple vulnerabilities in JDHCPD allow for OS command injection and code execution of JDHCPD. ∗∗∗ --------------------------------------------- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10981&actp=RSS ∗∗∗ JSA10983 - 2020-01 Security Bulletin: Junos OS: EX4300/EX4600/QFX3500/QFX5100 Series: Stateless IP firewall filter may fail to evaluate certain packets (CVE-2020-1604) ∗∗∗ --------------------------------------------- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10983&actp=RSS ∗∗∗ JSA10985 - 2020-01 Security Bulletin: Junos OS: Path traversal vulnerability in J-Web (CVE-2020-1606) ∗∗∗ --------------------------------------------- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10985&actp=RSS ∗∗∗ JSA10986 - 2020-01 Security Bulletin: Junos OS: Cross-Site Scripting (XSS) in J-Web (CVE-2020-1607) ∗∗∗ --------------------------------------------- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10986&actp=RSS ∗∗∗ JSA10987 - 2020-01 Security Bulletin: Junos OS: MX Series: In BBE configurations, receipt of a specific MPLS or IPv6 packet causes a Denial of Service (CVE-2020-1608) ∗∗∗ --------------------------------------------- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10987&actp=RSS ∗∗∗ JSA10990 - 2020-01 Security Bulletin: SBR Carrier: Multiple Vulnerabilities in OpenSSL ∗∗∗ --------------------------------------------- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10990&actp=RSS ∗∗∗ JSA10991 - 2020-01 Security Bulletin: SBR Carrier: Multiple Vulnerabilities in Net-SNMP ∗∗∗ --------------------------------------------- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10991&actp=RSS -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

1 0

Tageszusammenfassung - 08.01.2020
by Daily end-of-shift report 08 Jan '20

08 Jan '20

===================== = End-of-Day report = ===================== Timeframe: Dienstag 07-01-2020 18:00 − Mittwoch 08-01-2020 18:00 Handler: Robert Waldner Co-Handler: Dimitri Robl ===================== = News = ===================== ∗∗∗ Project Zero: Googles Bug-Jäger wollen weniger schludrige Patches ∗∗∗ --------------------------------------------- Im laufenden Jahr wollen Googles Security-Bug-Forscher des Project Zero die Disclosure-Richtlinien ändern. Das soll betroffenen Unternehmen nicht nur Updates erleichtern, sondern vor allem die Qualität der Patches verbessern. --------------------------------------------- https://www.golem.de/news/project-zero-googles-bug-jaeger-wollen-weniger-sc… ∗∗∗ The Basics of Packed Malware: Manually Unpacking UPX Executables ∗∗∗ --------------------------------------------- In this blog post, I want to discuss what packing is, the basics of why malware developers pack their samples and how they go about doing so. Since this is an introductory post, and I myself am still learning all this stuff, we’re going to be manually unpacking a UPX-packed binary, which is one of the simplest packers out there. --------------------------------------------- https://kindredsec.com/2020/01/07/the-basics-of-packed-malware-manually-unp… ∗∗∗ Tricky Phish Angles for Persistence, Not Passwords ∗∗∗ --------------------------------------------- The phishing lure starts with a link that leads to the real login page for a cloud email and/or file storage service. Anyone who takes the bait will inadvertently forward a digital token to the attackers that gives them indefinite access to the victim’s email, files and contacts — even after the victim has changed their password. --------------------------------------------- https://krebsonsecurity.com/2020/01/tricky-phish-angles-for-persistence-not… ∗∗∗ SMS von TrackInfo zu gestopptem DHL-Paket führt in Abo-Falle ∗∗∗ --------------------------------------------- Zahlreiche LeserInnen wenden sich momentan an die Watchlist Internet, weil sie eine SMS von TrackInfo zu einem unzustellbaren Paket erhalten haben. Ein Link in der Nachricht führt auf eine gefälschte DHL-Website. Wegen zu hohen Gewichts müssten nun 2 Euro bezahlt werden. Achtung: Die Nachricht stammt von Kriminellen und soll EmpfängerInnen in eine Abo-Falle locken! --------------------------------------------- https://www.watchlist-internet.at/news/sms-von-trackinfo-zu-gestopptem-dhl-… ===================== = Vulnerabilities = ===================== ∗∗∗ Interpeak IPnet TCP/IP Stack (Update D) ∗∗∗ --------------------------------------------- This updated medical advisory is a follow-up to the advisory update titled ICSMA-19-274-01 Interpeak IPnet TCP/IP Stack (Update C) published November 5, 2019, on the ICS webpage on us-cert.gov. This updated medical advisory contains mitigations for stack-based buffer overflow, heap-based buffer overflow, integer underflow, improper restriction of operations within the bounds of a memory buffer, race condition, argument injection, and null pointer dereference vulnerabilities in the Interpeak [...] --------------------------------------------- https://www.us-cert.gov/ics/advisories/icsma-19-274-01 ∗∗∗ PMASA-2020-1 ∗∗∗ --------------------------------------------- SQL injection in user accounts pageAffected VersionsphpMyAdmin 4.x versions prior to 4.9.4 are affected, at least as old as 4.0.0. phpMyAdmin 5.x version 5.0.0 is affected.CVE IDCVE-2020-5504 --------------------------------------------- https://www.phpmyadmin.net/security/PMASA-2020-1/ ∗∗∗ Security updates for Wednesday ∗∗∗ --------------------------------------------- Security updates have been issued by Arch Linux (firefox), Debian (python-django and wordpress), Fedora (dovecot), Mageia (opensc, radare2, and varnish), Red Hat (rh-java-common-apache-commons-beanutils), SUSE (containerd, docker, docker-runc, golang-github-docker-libnetwork, java-1_8_0-ibm, java-1_8_0-openjdk, libzypp, openssl-1_0_0, sysstat, and tomcat), and Ubuntu (clamav, linux-azure, and linux-lts-xenial, linux-aws). --------------------------------------------- https://lwn.net/Articles/808975/ ∗∗∗ Fortinet FortiSIEM 5.2.5 / 5.2.6 Hardcoded Key ∗∗∗ --------------------------------------------- https://cxsecurity.com/issue/WLB-2020010061 ∗∗∗ Cisco AnyConnect Secure Mobility Client for Android Service Hijack Vulnerability ∗∗∗ --------------------------------------------- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco… ∗∗∗ Cisco Webex Video Mesh Node Command Injection Vulnerability ∗∗∗ --------------------------------------------- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco… ∗∗∗ Cisco Webex Centers Denial of Service Vulnerability ∗∗∗ --------------------------------------------- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco… ∗∗∗ Cisco Vision Dynamic Signage Director Authentication Bypass Vulnerability ∗∗∗ --------------------------------------------- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco… ∗∗∗ Cisco UCS Director Information Disclosure Vulnerability ∗∗∗ --------------------------------------------- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco… ∗∗∗ Cisco Mobility Management Entity Denial of Service Vulnerability ∗∗∗ --------------------------------------------- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco… ∗∗∗ Cisco Identity Services Engine Authorization Bypass Vulnerability ∗∗∗ --------------------------------------------- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco… ∗∗∗ Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware Cross-Site Scripting Vulnerability ∗∗∗ --------------------------------------------- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco… ∗∗∗ Cisco IOS and Cisco IOS XE Software Web UI Cross-Site Request Forgery Vulnerability ∗∗∗ --------------------------------------------- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco… ∗∗∗ Cisco Finesse Cross-Site Scripting Vulnerability ∗∗∗ --------------------------------------------- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco… ∗∗∗ Cisco Emergency Responder Stored Cross-Site Scripting Vulnerability ∗∗∗ --------------------------------------------- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco… ∗∗∗ Cisco Data Center Analytics Framework Cross-Site Scripting Vulnerability ∗∗∗ --------------------------------------------- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco… ∗∗∗ Cisco Unified Customer Voice Portal Insecure Direct Object Reference Vulnerability ∗∗∗ --------------------------------------------- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco… ∗∗∗ Cisco Crosswork Change Automation Cross-Site Scripting Vulnerability ∗∗∗ --------------------------------------------- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco… ∗∗∗ Security Advisory - Weak Algorithm Vulnerability in Some Huawei Products ∗∗∗ --------------------------------------------- http://www.huawei.com/en/psirt/security-advisories/2020/huawei-sa-20200108-… ∗∗∗ Security Advisory - Information Leak Vulnerability in Some Huawei Product ∗∗∗ --------------------------------------------- http://www.huawei.com/en/psirt/security-advisories/2020/huawei-sa-20200108-… ∗∗∗ Security Advisory - Improper Authentication Vulnerability in Several Smartphones ∗∗∗ --------------------------------------------- http://www.huawei.com/en/psirt/security-advisories/2020/huawei-sa-20200108-… ∗∗∗ Security Advisory - Improper Authentication Vulnerability in Several Smartphones ∗∗∗ --------------------------------------------- http://www.huawei.com/en/psirt/security-advisories/2020/huawei-sa-20200108-… ∗∗∗ January 6, 2020 TNS-2020-01 [R1] SimpleSAMLPHP Stand-alone Patch Available for Tenable.sc versions 5.9.x to 5.12.x ∗∗∗ --------------------------------------------- http://www.tenable.com/security/tns-2020-01-0 -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

1 0

Tageszusammenfassung - 07.01.2020
by Daily end-of-shift report 07 Jan '20

07 Jan '20

===================== = End-of-Day report = ===================== Timeframe: Freitag 03-01-2020 18:00 − Dienstag 07-01-2020 18:00 Handler: Robert Waldner Co-Handler: n/a ===================== = News = ===================== ∗∗∗ In eigener Sache: CERT.at sucht Verstärkung ∗∗∗ --------------------------------------------- Für ein internationales Projekt suchen wir eine/n erfahrene/n Pythonentwickler/in (Vollzeit) zum ehestmöglichen Einstieg. Details finden sich auf unserer Jobs-Seite. --------------------------------------------- https://cert.at/de/ueber-uns/jobs/ ∗∗∗ Fake Windows 10 Desktop Used in New Police Browser Lock Scam ∗∗∗ --------------------------------------------- Scammers have taken an old browser scam and invigorated it using a clever and new tactic that takes advantage of your web browsers full-screen mode to show a fake Windows 10 desktop stating your computer is locked. --------------------------------------------- https://www.bleepingcomputer.com/news/security/fake-windows-10-desktop-used… ∗∗∗ Android-Schadsoftware: Die Tricks mit der Google-Sicherheitslücke ∗∗∗ --------------------------------------------- Sicherheitsforscher haben Schad-Apps im Play Store gefunden, die über eine Google lange bekannte Android-Sicherheitslücke und weitere Tricks Nutzer ausspionierten. Die im Oktober aktiv ausgenutzte Lücke hatte Google eineinhalb Jahre vorher selbst entdeckt. --------------------------------------------- https://www.golem.de/news/android-schadsoftware-die-tricks-mit-der-google-s… ∗∗∗ A Quick Update on Scanning for CVE-2019-19781 (Citrix ADC / Gateway Vulnerability), (Tue, Jan 7th) ∗∗∗ --------------------------------------------- For the last week, I have been monitoring our honeypot logs for evidence of exploits taking advantage of CVE-2019-19781. Currently, I have not seen an actual "exploit" being used. But there is some evidence that people are scanning for vulnerable systems. Based on some of the errors made with these scans, I would not consider them "sophisticated." There is luckily still no public exploit I am aware of. --------------------------------------------- https://isc.sans.edu/diary/rss/25686 ∗∗∗ The Hidden Cost of Ransomware: Wholesale Password Theft ∗∗∗ --------------------------------------------- Moral of the story: Companies that experience a ransomware attack — or for that matter any type of equally invasive malware infestation — should assume that all credentials stored anywhere on the local network (including those saved inside Web browsers and password managers) are compromised and need to be changed. --------------------------------------------- https://krebsonsecurity.com/2020/01/the-hidden-cost-of-ransomware-wholesale… ∗∗∗ Breaking PHPs mt_rand() with 2 values and no bruteforce ∗∗∗ --------------------------------------------- .. one of our researchers was adamant that it was possible to recover the Mersenne Twister seed using only two outputs of the mt_rand() function, and without any kind of bruteforce. Nevertheless, we were unable to find any information supporting this theory, and his notes on the matter were long lost. After crunching the numbers a little bit, and years after the PRNG-prediction circus, we proved him right. --------------------------------------------- https://www.ambionics.io/blog/php-mt-rand-prediction ∗∗∗ SSH Client Auditing & Hardening ∗∗∗ --------------------------------------------- Its been known for years now that SSH servers can (and should) be hardened by removing weak default algorithms. For example, recent versions of OpenSSH ship with algorithms suspected suspected of being back-doored by the NSA (i.e.: ECDSA with the NIST P-curves), along with other algorithms with sub-128bit security levels. But did you know that client software can be hardened too? --------------------------------------------- https://www.positronsecurity.com/blog/2020-01-07-ssh-client-auditing-and-ha… ∗∗∗ SSH Pentesting Guide ∗∗∗ --------------------------------------------- In this guide, I will: * Quickly introduce the SSH protocol and implementations. * Expose some common configuration mistakes then showcase some attacks on the protocol & implementations. * Present some SSH pentesting & blue team tools. * Give a standard reference for security guidelines --------------------------------------------- https://community.turgensec.com/ssh-hacking-guide/ ∗∗∗ First Chosen-Prefix Collision on SHA-1 and Application to the PGP Web of Trust [PDF] ∗∗∗ --------------------------------------------- In this paper, we report the first practical implementation of this attack, and its impact on real-world security with a PGP/GnuPG impersonation attack. We managed to significantly reduce the complexity of collisions attack against SHA-1.. --------------------------------------------- https://eprint.iacr.org/2020/014.pdf ∗∗∗ Jetzt patchen! Ransomware-Attacken auf VPN-Server mit Pulse Connect Secure ∗∗∗ --------------------------------------------- Erneut nehmen Angreifer VPN-Server mit Pulse Connect Secure ins Visier und nutzen eine kritische Sicherheitslücke aus. Ein Patch ist schon länger verfügbar. --------------------------------------------- https://heise.de/-4629452 ∗∗∗ Versteckte Kosten bei Übernachtungsgutscheinen von Geoplus ∗∗∗ --------------------------------------------- Wie zahlreiche InternetnutzerInnen erhalten Sie womöglich E-Mails von Geoplus, in denen Sie zur Teilnahme an einer europäischen Studie eingeladen werden. Dafür verspricht man Ihnen einen Gutschein für bis zu fünf kostenlose Übernachtungen in über 500 Hotels in 14 Ländern. Achtung: Von „kostenlos“ kann nicht die Rede sein, denn beim Einlösen der Gutscheine müssen Sie Zahlung von Pflichtverpflegungssätzen leisten. --------------------------------------------- https://www.watchlist-internet.at/news/versteckte-kosten-bei-uebernachtungs… ∗∗∗ What is the random oracle model and why should you care? (Part 5) ∗∗∗ --------------------------------------------- This is part five of a series on the Random Oracle Model. See here for the previous posts: Part 1: An introduction Part 2: The ROM formalized, a scheme and a proof sketch Part 3: How we abuse the ROM to make our security proofs work Part 4: Some more examples of where the ROM … Continue reading What is the random oracle model and why should you care? (Part 5) → --------------------------------------------- https://blog.cryptographyengineering.com/2020/01/05/what-is-the-random-orac… ∗∗∗ Half of the websites using WebAssembly use it for malicious purposes ∗∗∗ --------------------------------------------- In an academic research project that was carried out last year, four researchers from the Technical University in Braunschweig, Germany, looked at WebAssembly's use on the Alexa Top 1 Million popular sites on the internet, in an attempt to gauge the popularity of this new technology. --------------------------------------------- https://www.zdnet.com/article/half-of-the-websites-using-webassembly-use-it… ===================== = Vulnerabilities = ===================== ∗∗∗ Android Security Bulletin—January 2020 ∗∗∗ --------------------------------------------- The most severe of these issues is a critical security vulnerability in Media framework that could enable a remote attacker using a specially crafted file to execute arbitrary code within the context of a privileged process. --------------------------------------------- https://source.android.com/security/bulletin/2020-01-01.html ∗∗∗ Security updates for Friday ∗∗∗ --------------------------------------------- Security updates have been issued by Debian (netty) and Fedora (libssh, nethack, php, samba, and xen). --------------------------------------------- https://lwn.net/Articles/808621/ ∗∗∗ Security updates for Monday ∗∗∗ --------------------------------------------- Security updates have been issued by Fedora (chromium, cyrus-imapd, drupal7-l10n_update, drupal7-webform, htmldoc, nethack, php, and singularity), Mageia (advancecomp, apache-commons-compress-, cyrus-imapd, cyrus-sasl, dia, freeimage, freeradius, igraph, jhead, jss, libdwarf, libextractor, libxml2, mediawiki, memcached, mozjs60, openconnect, openssl, putty, python-ecdsa, python-werkzeug, shadowsocks-libev, and upx), Oracle (container-tools:1.0 and container-tools:ol8), and Red Hat --------------------------------------------- https://lwn.net/Articles/808803/ ∗∗∗ Security updates for Tuesday ∗∗∗ --------------------------------------------- Security updates have been issued by Debian (nss and pillow), Red Hat (java-1.8.0-ibm and kernel), Slackware (firefox), SUSE (virglrenderer), and Ubuntu (linux, linux-aws, linux-aws-5.0, linux-azure, linux-gcp, linux-gke-5.0, linux-kvm, linux-oem-osp1, linux-oracle, linux-oracle-5.0, linux-raspi2, linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon, linux-kvm, linux-oracle, linux-raspi2, and linux-snapdragon). --------------------------------------------- https://lwn.net/Articles/808881/ ∗∗∗ Security Vulnerabilities fixed in Firefox 72 ∗∗∗ --------------------------------------------- Severity: high CVE-2019-17015: Memory corruption in parent process during new content process initialization on Windows CVE-2019-17016: Bypass of @namespace CSS sanitization during pasting CVE-2019-17017: Type Confusion in XPCVariant.cpp --------------------------------------------- https://www.mozilla.org/en-US/security/advisories/mfsa2020-01/ ∗∗∗ Security Bulletin: Multiple Vulnerabilities in Liberty affect IBM WIoTP MessageGateway ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-multiple-vulnerabilities-… ∗∗∗ Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect IBM MessageSight ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-multiple-vulnerabilities-… ∗∗∗ Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect Financial Transaction Manager for Corporate Payment Services for Multi-Platform ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-multiple-vulnerabilities-… ∗∗∗ Security Bulletin: Financial Transaction Manager for Check Services is affected by a potential cross-site scripting (XSS) vulnerability (CVE-2018-15494) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-financial-transaction-man… ∗∗∗ Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect Financial Transaction Manager for Check Services for Multi-Platform ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-multiple-vulnerabilities-… ∗∗∗ Security Bulletin: Financial Transaction Manager for Corporate Payment Services is affected by a potential cross-site scripting (XSS) vulnerability (CVE-2018-15494) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-financial-transaction-man… ∗∗∗ Security Bulletin: Security Vulnerabilties have been addressed in IBM Cognos Analytics ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-security-vulnerabilties-h… ∗∗∗ Security Bulletin: Information Exposure vulnerability found on IBM Security Secret Server (CVE-2019-4634) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-information-exposure-vuln… -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

1 0

Tageszusammenfassung - 03.01.2020
by Daily end-of-shift report 03 Jan '20

03 Jan '20

===================== = End-of-Day report = ===================== Timeframe: Donnerstag 02-01-2020 18:00 − Freitag 03-01-2020 18:00 Handler: Robert Waldner Co-Handler: Dimitri Robl ===================== = News = ===================== ∗∗∗ Promiscuous Cookies and Their Impending Death via the SameSite Policy ∗∗∗ --------------------------------------------- Cookies like to get around. They have no scruples about where they go save for some basic constraints relating to the origin from which they were set. I mean have a think about it:If a website sets a cookie then you click a link to another page on that [...] --------------------------------------------- https://www.troyhunt.com/promiscuous-cookies-and-their-impending-death-via-… ∗∗∗ Gefälschte E-Mail zu Amazon-Bestellung ∗∗∗ --------------------------------------------- Kriminelle versenden derzeit E-Mails zu einer angeblichen Amazon-Bestellung. In der Mail wird darauf hingewiesen, dass eine Bestellung von einem bisher nicht benutzten Gerät aus getätigt wurde. Im Anhang findet man ein PDF mit Infos zur angeblichen Bestellung und der Möglichkeit, die Bestellung zu stornieren. Wer das tut, gibt seine Amazon-Zugangsdaten an Kriminelle weiter! --------------------------------------------- https://www.watchlist-internet.at/news/gefaelschte-e-mail-zu-amazon-bestell… ===================== = Vulnerabilities = ===================== ∗∗∗ Workaround verfügbar: Kritische Lücke in Citrix ADC und Gateway ∗∗∗ --------------------------------------------- Angreifer könnten Systeme mit Citrix ADC und Gateway attackieren und Schadcode ausführen. Patches sind bislang nicht erschienen. --------------------------------------------- https://heise.de/-4627525 ∗∗∗ Vulnerability Spotlight: Two buffer overflow vulnerabilities in OpenCV ∗∗∗ --------------------------------------------- Cisco Talos recently discovered two buffer overflow vulnerabilities in the OpenCV libraries. An attacker could potentially exploit these bugs to cause heap corruptions and potentially code execution. Intel Research originally developed OpenCV in 1999, but it is currently maintained by the non-profit organization OpenCV.org. OpenCV is used for numerous applications, including facial recognition technology, robotics, motion tracking [...] --------------------------------------------- https://blog.talosintelligence.com/2020/01/opencv-buffer-overflow-jan-2020.… ∗∗∗ WooCommerce Conversion Tracking < 2.0.6 - CSRF to XSS ∗∗∗ --------------------------------------------- https://wpvulndb.com/vulnerabilities/10001 ∗∗∗ Security Bulletin: Security Vulnerabilities affect IBM Cloud Private – OpenSSL (CVE-2019-1563, CVE-2019-1549, CVE-2019-1547) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-security-vulnerabilities-… ∗∗∗ Security Bulletin: IBM Cloud Private is vulnerable to a Kubernetes vulnerability (CVE-ID: CVE-2019-11244) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-cloud-private-is-vuln… ∗∗∗ Security Bulletin: A vulnerability in IBM Java Runtime affects IBM Tivoli Storage Manager FastBack (CVE-2019-2816) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-a-vulnerability-in-ibm-ja… ∗∗∗ Security Bulletin: Vulnerabities in SSL in IBM DataPower Gateway ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerabities-in-ssl-in-i… ∗∗∗ Security Bulletin: IBM DataPower Gateway is potentially vulnerable to two cryptographic side-channel vulnerabilities in SSL. ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-datapower-gateway-is-… ∗∗∗ Security Bulletin: Potential side-channel cryptographic vulnerabilities in IBM DataPower Gateway ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-potential-side-channel-cr… ∗∗∗ Security Bulletin: Security Vulnerabilities affect IBM Cloud Private Cloud Foundry – Python (CVE-2019-9947, CVE-2019-9948) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-security-vulnerabilities-… ∗∗∗ Security Bulletin: Potential disclosure of information in IBM DataPower Gateway (CVE-2018-14348) ∗∗∗ --------------------------------------------- https://www.ibm.com/blogs/psirt/security-bulletin-potential-disclosure-of-i… ∗∗∗ D-LINK Router: Schwachstelle ermöglicht Offenlegung von Informationen ∗∗∗ --------------------------------------------- http://www.cert-bund.de/advisoryshort/CB-K20-0002 -- CERT.at Daily mailing list Listinfo: https://lists.cert.at/cgi-bin/mailman/listinfo/daily

1 0

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Daily January 2020