Another OpenSSH remote code execution vulnerability

Date:
Tue, 09 Jul 2024 13:36:19 +0000

Description:
Alexander "Solar Designer" Peslyak has disclosed another OpenSSH
vulnerability that can be exploited for remote code execution, but only
on distributions that have applied a patch to add auditing support. Specifically, RHEL9 and derivatives are affected, as are
Fedora36 and37 (but not later releases). The main difference from CVE-2024-6387 is that the race condition
and RCE potential are triggered in the privsep child process, which
runs with reduced privileges compared to the parent server process.
So immediate impact is lower. However, there may be differences in
exploitability of these vulnerabilities in a particular scenario,
which could make either one of these a more attractive choice for
an attacker, and if only one of these is fixed or mitigated then
the other becomes more relevant.

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Link to news story:
https://lwn.net/Articles/981287/


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