Vulnerability CVE-2023-38408
Published: 2023-07-20

Description:
The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to remote code execution if an agent is forwarded to an attacker-controlled system. (Code in /usr/lib is not necessarily safe for loading into ssh-agent.) NOTE: this issue exists because of an incomplete fix for CVE-2016-10009.

See advisories in our WLB2 database:
Topic
Author
Date
High
OpenSSH Forwarded SSH-Agent Remote Code Execution
Qualys Security ...
23.07.2023

 References:
https://github.com/openbsd/src/commit/7bc29a9d5cd697290aa056e94ecee6253d3425f8
https://www.openssh.com/txt/release-9.3p2
https://www.qualys.com/2023/07/19/cve-2023-38408/rce-openssh-forwarded-ssh-agent.txt
https://blog.qualys.com/vulnerabilities-threat-research/2023/07/19/cve-2023-38408-remote-code-execution-in-opensshs-forwarded-ssh-agent
https://news.ycombinator.com/item?id=36790196
https://github.com/openbsd/src/commit/f8f5a6b003981bb824329dc987d101977beda7ca
https://github.com/openbsd/src/commit/f03a4faa55c4ce0818324701dadbf91988d7351d
https://www.openssh.com/security.html
https://security.gentoo.org/glsa/202307-01
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