UNIX symbolic link following in Checkmk - CVE-2022-31258
Published: July 20, 2022
Vulnerability identifier: #VU65569
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-31258
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue. A local user can create a specially crafted OMD hook symbolic link to a critical file on the system and overwrite it with privileges of the application.
Successful exploitation of this vulnerability may result in privilege escalation.
Affected software
Checkmk
How to mitigate CVE-2022-31258
Install updates from vendor's website.
Checkmk - addressed in versions 1.6.0 p29, 2.0.0 p25, 2.1.0 p1