===================== = End-of-Day report = =====================
Timeframe: Montag 23-10-2023 18:00 − Dienstag 24-10-2023 18:00 Handler: Stephan Richter Co-Handler: Thomas Pribitzer
===================== = News = =====================
∗∗∗ Log in With... Feature Allows Full Online Account Takeover for Millions ∗∗∗ --------------------------------------------- Hundreds of millions of users of Grammarly, Vidio, and the Indonesian e-commerce giant Bukalapak are at risk for financial fraud and credential theft due to OAuth misfires — and other online services likely have the same problems. --------------------------------------------- https://www.darkreading.com/remote-workforce/oauth-log-in-full-account-takeo...
∗∗∗ Hostile Takeover: Malicious Ads via Facebook ∗∗∗ --------------------------------------------- Criminals hijack business accounts on Facebook and run their own advertising campaigns in someone elses name and at the expense of those affected. --------------------------------------------- https://www.gdatasoftware.com/blog/2023/10/37814-meta-hijacked-malicious-ads
∗∗∗ Stealer for PIX payment system, new Lumar stealer and Rhysida ransomware ∗∗∗ --------------------------------------------- In this report, we share our latest crimeware findings: GoPIX targeting PIX payment system; Lumar stealing files and passwords; Rhysida ransomware supporting old Windows. --------------------------------------------- https://securelist.com/crimeware-report-gopix-lumar-rhysida/110871/
∗∗∗ Quasar RAT Leverages DLL Side-Loading to Fly Under the Radar ∗∗∗ --------------------------------------------- The open-source remote access trojan known as Quasar RAT has been observed leveraging DLL side-loading to fly under the radar and stealthily siphon data from compromised Windows hosts. --------------------------------------------- https://thehackernews.com/2023/10/quasar-rat-leverages-dll-side-loading.html
∗∗∗ Citrix Bleed: Leaking Session Tokens with CVE-2023-4966 ∗∗∗ --------------------------------------------- We were interested in CVE-2023-4966, which was described as "sensitive information disclosure" and had a CVSS score of 9.4. The high score for an information disclosure vulnerability and the mention of "buffer-related vulnerabilities" piqued our interest. --------------------------------------------- https://www.assetnote.io/resources/research/citrix-bleed-leaking-session-tok...
∗∗∗ Best Practices for Writing Quality Vulnerability Reports ∗∗∗ --------------------------------------------- How to write great vulnerability reports? If you’re a security consultant, penetration tester or a bug bounty hunter, these tips are for you! --------------------------------------------- https://itnext.io/best-practices-for-writing-quality-vulnerability-reports-1...
∗∗∗ Kriminelle verbreiten falsche Ryanair-Telefonnummern ∗∗∗ --------------------------------------------- Vorsicht, wenn Sie im Internet nach einer Telefonnummer von Ryanair suchen. Kriminelle stellen Webseiten mit falschen Nummern ins Netz. Wenn Sie bei der falschen Ryanair-Servicehotline anrufen, stehlen Kriminelle Ihnen sensible Daten und Geld. --------------------------------------------- https://www.watchlist-internet.at/news/kriminelle-verbreiten-falsche-ryanair...
∗∗∗ LOLBin mit WorkFolders.exe unter Windows ∗∗∗ --------------------------------------------- Die legitime Windows-Anwendung WorkFolders.exe lässt sich verwenden, um andere .exe-Programme im Windows-Ordner System32 oder im aktuellen Ordner zu starten. Dies ermöglicht Malware sogenannte LOLBin-Angriffe, bei der legitime Betriebssystemdateien zur Ausführung von Schadprogrammen missbraucht werden. --------------------------------------------- https://www.borncity.com/blog/2023/10/24/lolbin-mit-workfolders-exe-unter-wi...
∗∗∗ The Great CVSS Bake Off: Testing How CVSS v4 Performs Versus v3 ∗∗∗ --------------------------------------------- The highly anticipated Common Vulnerability Scoring System (CVSS) version 4 is planned to be released on October 31st by the Forum of Incident Response and Security Teams (FIRST). --------------------------------------------- https://orca.security/resources/blog/cvss-version-4-versus-version-3/
===================== = Vulnerabilities = =====================
∗∗∗ VMware warns admins of public exploit for vRealize RCE flaw ∗∗∗ --------------------------------------------- VMware warned customers on Monday that proof-of-concept (PoC) exploit code is now available for an authentication bypass flaw in vRealize Log Insight (now known as VMware Aria Operations for Logs). --------------------------------------------- https://www.bleepingcomputer.com/news/security/vmware-warns-admins-of-public...
∗∗∗ Viele Systeme längst kompromittiert: Cisco stellt Patches für IOS XE bereit ∗∗∗ --------------------------------------------- Durch Schwachstellen in der Betriebssoftware IOS XE sind weltweit Zehntausende von Cisco-Geräten infiltriert worden. Jetzt gibt es erste Patches. --------------------------------------------- https://www.golem.de/news/viele-systeme-laengst-kompromittiert-cisco-stellt-...
∗∗∗ CVE-2023-33466 - Exploiting Healthcare Servers with Polyglot Files ∗∗∗ --------------------------------------------- Orthanc is an open source software to manage, exchange and visualize medical imaging data. In versions < 1.12.0, it is affected by an arbitrary file overwrite vulnerability (CVE-2023-33466) that might allow an authenticated attacker to obtain RCE on the system. --------------------------------------------- https://www.shielder.com/blog/2023/10/cve-2023-33466-exploiting-healthcare-s...
∗∗∗ Proxy: Squid-Entwickler dichten teils kritische Lecks in Version 6.4 ab ∗∗∗ --------------------------------------------- Mit Squid 6.4 haben die Entwickler eine um vier Sicherheitslücken bereinigte Version des Proxy-Servers vorgelegt. Es klaffen jedoch weitere Lücken darin. --------------------------------------------- https://www.heise.de/news/Proxy-Squid-6-4-schliesst-teils-kritische-Sicherhe...
∗∗∗ Lücke in LiteSpeed-Cache-Plug-in gefährdet 4 Millionen WordPress-Websites ∗∗∗ --------------------------------------------- Angreifer können WordPress-Websites mit Schadcode-Skripten verseuchen. Ein Sicherheitsupdate repariert das LiteSpeed-Cache-Plug-in. --------------------------------------------- https://www.heise.de/news/Luecke-in-LiteSpeed-Cache-Plug-in-gefaehrdet-4-Mil...
∗∗∗ Sicherheitsupdates: Firefox-Browser anfällig für Clickjacking-Attacken ∗∗∗ --------------------------------------------- Mozilla hat in aktuellen Versionen von Firefox und Firefox ESR mehrere Sicherheitsprobleme gelöst. --------------------------------------------- https://www.heise.de/news/Sicherheitsupdates-Firefox-Browser-anfaellig-fuer-...
∗∗∗ Security updates for Tuesday ∗∗∗ --------------------------------------------- Security updates have been issued by Debian (ceph and dbus), Fedora (cachelib, fb303, fbthrift, fizz, folly, matrix-synapse, mcrouter, mvfst, nats-server, nodejs18, proxygen, wangle, watchman, and wdt), Mageia (libcue), Oracle (18, grafana, kernel, nodejs, nodejs:16, nodejs:18, php, php:8.0, and tomcat), Red Hat (python27:2.7, python3, python39:3.9, python39-devel:3.9, toolbox, varnish, and varnish:6), SUSE (fwupdate, gcc13, icu73_2, netty, netty-tcnative, and xen), and Ubuntu [...] --------------------------------------------- https://lwn.net/Articles/948688/
∗∗∗ IBM Security Bulletins ∗∗∗ --------------------------------------------- https://www.ibm.com/support/pages/bulletin/
∗∗∗ Vulnerability in SICK Flexi Soft Gateway ∗∗∗ --------------------------------------------- https://psirt.bosch.com/security-advisories/bosch-sa-164691.html
∗∗∗ Rockwell Automation Stratix 5800 and Stratix 5200 ∗∗∗ --------------------------------------------- https://www.cisa.gov/news-events/ics-advisories/icsa-23-297-01