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
- 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.
References
- http://lists.opensuse.org/opensuse-updates/2013-10/msg00023.html
- http://lists.opensuse.org/opensuse-updates/2013-10/msg00024.html
- http://rhn.redhat.com/errata/RHSA-2013-1272.html
- http://rhn.redhat.com/errata/RHSA-2013-1460.html
- http://wiki.libvirt.org/page/Maintenance_Releases
- http://www.openwall.com/lists/oss-security/2013/09/18/6
- http://www.ubuntu.com/usn/USN-1954-1