Privilege escalation in X.org Server - CVE-2018-14665
Published: October 25, 2018 / Updated: June 17, 2021
Vulnerability identifier: #VU15538
CSH Severity: Low
CVSS v4.0: 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/E:A/U:Clear
CVE-ID: CVE-2018-14665
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: X.org
Affected software:
X.org Server
X.org Server
Detailed vulnerability description
The vulnerability allows a local user to gain elevated privileges on the target system.
The vulnerability exists due to improper handling of two command-line options, namely -logfile and -modulepath. A local user can specify a '-modulepath' argument with an insecure path to create, overwrite or delete any files with root privileges.
How to mitigate CVE-2018-14665
Update to version 1.20.3.