SANS Stormcast Tuesday, August 12th, 2025: Erlang OTP SSH Exploits (Palo Alto Networks); Winrar Exploits; Netscaler Exploits; OpenSSH Pushing PQ Crypto;
Update: 2025-08-12
Description
Erlang OTP SSH Exploits
A recently patched and easily exploited vulnerability in Erlang/OTP SSH is being exploited. Palo Alto collected some of the details about this exploit activity that they observed.
https://unit42.paloaltonetworks.com/erlang-otp-cve-2025-32433/
WinRAR Exploited
WinRAR vulnerabilities are actively being exploited by a number of threat actors. The vulnerability allows for the creation of arbitrary files as the archive is extracted.
https://thehackernews.com/2025/08/winrar-zero-day-under-active.html
Citrix Netscaler Exploit Updates
The Dutch Center for Cyber Security is updating its guidance on recent Citrix Netscaler attacks. Note that the attacks started before a patch became available, and attackers are actively hiding their tracks to make it more difficult to detect a compromise.
https://www.ncsc.nl/actueel/nieuws/2025/07/22/casus-citrix-kwetsbaarheid https://www.bleepingcomputer.com/news/security/netherlands-citrix-netscaler-flaw-cve-2025-6543-exploited-to-breach-orgs/
OpenSSH Post Quantum Encryption
Starting in version 10.1, OpenSSH will warn users if they are using quantum-unsafe algorithms
https://www.openssh.com/pq.html
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