FreeBSD jail(2) TTY info leak via kern.ttys sysctl
CVE-2024-25941 Published on February 15, 2024
The jail(2) system call has not limited a visiblity of allocated TTYs (the kern.ttys sysctl). This gives rise to an information leak about processes outside the current jail. Attacker can get information about TTYs allocated on the host or in other jails. Effectively, the information printed by "pstat -t" may be leaked.
Vulnerability Analysis
CVE-2024-25941 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Products Associated with CVE-2024-25941
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Affected Versions
FreeBSD:- Version 14.0-RELEASE and below p5 is affected.
- Version 13.2-RELEASE and below p10 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.