#VU17120 Permissions, Privileges, and Access Controls in systemd - CVE-2018-16888

 

#VU17120 Permissions, Privileges, and Access Controls in systemd - CVE-2018-16888

Published: January 22, 2019


Vulnerability identifier: #VU17120
Vulnerability risk: Low
CVSSv4.0: 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:P/U:Clear
CVE-ID: CVE-2018-16888
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
systemd
Software vendor:
Freedesktop.org

Description

The vulnerability allows a local attacker to escalate privileges on the system.

The vulnerability exists due to incorrect check the content of PIDFile files before using it to kill processes. A local attacker can who is able to write to the PIDFile of the mentioned service can trick systemd into killing other services and/or privileged processes.


Remediation

Update to version 237.

External links