SB2018011819 - Privilege escalation in systemd
Published: January 18, 2018
Security Bulletin ID
SB2018011819
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2018-16888)
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
Install update from vendor's website.