Link following in Linux kernel - CVE-2008-0525
Published: January 31, 2008 / Updated: July 20, 2020
Vulnerability identifier: #VU28388
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-2008-0525
CWE-ID: CWE-59
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 improper input validation in a symlink attack on the /tmp/plshutdown file used by the rebootTask script. A local user can escalate privileges on the system.
Affected software
Linux kernel
How to mitigate CVE-2008-0525
Install update from vendor's website.
Linux kernel - addressed in versions 4.4.166, 4.9.142, 4.14.85