SB2017122401 - Security restrictions bypass in systemd
Published: December 24, 2017
Security Bulletin ID
SB2017122401
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2017-18078)
The vulnerability allows a local attacker to bypass security restrictions on the target system.The weakness exists in the systemd-tmpfiles due to improper access restrictions. A local attacker can bypass intended access restrictions via vectors involving a hard link to a file for which the user lacks write access.
Remediation
Install update from vendor's website.