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[CERT-daily] Tageszusammenfassung - 05.08.2019

Daily end-of-shift report team at cert.at
Mon Aug 5 18:23:49 CEST 2019


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= End-of-Day report =
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Timeframe:   Freitag 02-08-2019 18:00 − Montag 05-08-2019 18:00
Handler:     Dimitri Robl
Co-Handler:  Stephan Richter

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=       News        =
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∗∗∗ Dragonfly: Neue Sicherheitslücken in Verschlüsselungsstandard WPA3 ∗∗∗
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Wie lange ein kryptografisches Verfahren braucht, kann ungewollt Informationen verraten. Mit einer solchen Schwachstelle konnten Forscher Passwörter bei der WLAN-Verschlüsselung WPA3 knacken.
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https://www.golem.de/news/dragonfly-neue-sicherheitsluecken-in-verschluesselungsstandard-wpa3-1908-142991-rss.html


∗∗∗ MegaCortex Ransomware Revamps for Mass Distribution ∗∗∗
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Manual steps have been replaced by automation.
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https://threatpost.com/megacortex-ransomware-mass-distribution/146933/


∗∗∗ Combining Low Tech Scams: SMS + SET + Credit Card Harvesting, (Fri, Aug 2nd) ∗∗∗
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As Infosec folks, we spend a lot of time on the latest and greatest exploits, attacks and malware - we seem to be (abnormally) driven towards continuing education in our field. This is a great thing, but often we lose sight of the fact that the attackers dont always try so hard.
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https://isc.sans.edu/diary/rss/25198


∗∗∗ Erpressungstrojaner GermanWiper löscht Daten ∗∗∗
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Lösegeld hilft nicht: Wer den GermanWiper aktiviert, dessen Daten werden nicht etwa wiederherstellbar verschlüsselt, sondern endgültig mit Nullen überschrieben.
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https://heise.de/-4487825


∗∗∗ Say hello to Lord Exploit Kit ∗∗∗
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In this blog, we take a look at a new exploit kit distributed via malvertising that calls itself Lord EK.
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https://blog.malwarebytes.com/threat-analysis/2019/08/say-hello-to-lord-exploit-kit/


∗∗∗ Vulnerability Spotlight: Multiple vulnerabilities in NVIDIA Windows GPU Display Driver, VMware ESXi, Workstation and Fusion ∗∗∗
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VMware ESXi, Workstation and Fusion are affected by an out-of-bounds write vulnerability that can be triggered using a specially crafted shader file. This vulnerability can be triggered from a VMware guest, affecting the VMware host, leading to a crash (denial-of-service) of the vmware-vmx.exe process on the host (TALOS-2019-0757). However, when the host/guest systems are using an NVIDIA graphics card, the VMware [...]
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https://blog.talosintelligence.com/2019/08/nvidia-vmware-gpu-rce-vulnerabilities.html



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=  Vulnerabilities  =
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∗∗∗ VMSA-2019-0012 ∗∗∗
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VMware ESXi, Workstation and Fusion updates address out-of-bounds read/write vulnerabilities (CVE-2019-5521, CVE-2019-5684)
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https://www.vmware.com/security/advisories/VMSA-2019-0012.html


∗∗∗ Security updates for Monday ∗∗∗
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Security updates have been issued by Debian (proftpd-dfsg and vim), Fedora (java-11-openjdk and matrix-synapse), Gentoo (binutils and libpng), Mageia (kernel), and SUSE (openexr and python-Django).
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https://lwn.net/Articles/795344/


∗∗∗ ZDI-19-687: (0Day) SolarWinds Orion Network Performance Monitor ExecuteExternalProgram Privilege Escalation Vulnerability ∗∗∗
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http://www.zerodayinitiative.com/advisories/ZDI-19-687/


∗∗∗ Linux kernel vulnerability CVE-2017-12190 ∗∗∗
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https://support.f5.com/csp/article/K93472064


∗∗∗ poppler: Schwachstelle ermöglicht Denial of Service ∗∗∗
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http://www.cert-bund.de/advisoryshort/CB-K19-0687

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