SB2018022811 - Symlink attack in GNU policycoreutils



SB2018022811 - Symlink attack in GNU policycoreutils

Published: February 28, 2018

Security Bulletin ID SB2018022811
Severity
Low
Patch available
NO
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-2018-1063)

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

The weakness exists in the /tmp and /var/tmp directories improper security restrictions when presenting the relabeling process through symlinks. A local attacker can modify the SELinux context of arbitrary files and conduct symlink attacks.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.