K000132929 : OpenSSH vulnerability CVE-2023-25136

Security Advisory Description

OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during options.kex_algorithms handling. This is fixed in OpenSSH 9.2. The double free can be leveraged, by an unauthenticated remote attacker in the default configuration, to jump to any location in the sshd address space. One third-party report states “remote code execution is theoretically possible.” (CVE-2023-25136)

Impact

There is no impact; F5 products are not affected by these vulnerabilities.