CVE-2023-28339

Name of the Vulnerable Software and Affected Versions OpenDoas versions 6.8.2 and earlier

Description The issue allows privilege escalation due to sharing a terminal with the original session when TIOCSTI is available. TIOCSTI is unavailable in OpenBSD 6.0 and later, and can be made unavailable in the Linux kernel 6.2 and later.

Recommendations For OpenDoas versions 6.8.2 and earlier, consider disabling the use of TIOCSTI to minimize the risk of exploitation until a patch is available. Restrict access to terminals that may be shared with the original session to prevent privilege escalation.