Path traversal in OSSEC - CVE-2020-8446
Published: January 6, 2025
Vulnerability identifier: #VU102308
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-2020-8446
CWE-ID: CWE-22
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 input validation error when processing directory traversal sequences inside syscheck messages. A local user can write a specially crafted message directly to the analysisd UNIX domain socket and overwrite arbitrary files on the system.
Affected software
OSSEC
How to mitigate CVE-2020-8446
Install update from vendor's website.
OSSEC - update to 3.6.0