Race condition in FreeBSD - CVE-2024-7589
Published: August 8, 2024
Vulnerability identifier: #VU95549
CSH Severity: Critical
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-7589
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to a race condition when calling a not async-signal-safe in openssh. A remote non-authenticated attacker can send specially crafted packets to the system, trigger a race condition and execute arbitrary code as root.
Affected software
FreeBSD
How to mitigate CVE-2024-7589
Install updates from vendor's website.