SB2018021335 - Symlink attack in GNU systemd



SB2018021335 - Symlink attack in GNU systemd

Published: February 13, 2018

Security Bulletin ID SB2018021335
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Symlink attack (CVE-ID: CVE-2018-6954)

The vulnerability allows a local attacker to launch symlink attack on the target system.

The weakness exists in the systemd-tmpfiles feature due to improper handling of symlinks in nonterminal path components. A local attacker can gain unauthorized access to arbitrary files.

Remediation

Install update from vendor's website.