SB2013100401 - Permissions, Privileges, and Access Controls in libvirt 



SB2013100401 - Permissions, Privileges, and Access Controls in libvirt

Published: October 4, 2013 Updated: July 28, 2020

Security Bulletin ID SB2013100401
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) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2013-4311)

The vulnerability allows a local non-authenticated attacker to read and manipulate data.

libvirt 1.0.5.x before 1.0.5.6, 0.10.2.x before 0.10.2.8, and 0.9.12.x before 0.9.12.2 allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition in pkcheck via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288.


Remediation

Install update from vendor's website.