SB2013100101 - Permissions, Privileges, and Access Controls in libvirt
Published: October 1, 2013 Updated: July 28, 2020
Security Bulletin ID
SB2013100101
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-2013-4291)
The vulnerability allows a local non-authenticated attacker to execute arbitrary code.
The virSecurityManagerSetProcessLabel function in libvirt 0.10.2.7, 1.0.5.5, and 1.1.1, when the domain has read an uid:gid label, does not properly set group memberships, which allows local users to gain privileges.
Remediation
Install update from vendor's website.