Permissions, Privileges, and Access Controls in libvirt - CVE-2013-4311
Published: October 4, 2013 / Updated: July 28, 2020
Vulnerability identifier: #VU32594
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-4311
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
libvirt
libvirt (Alpine package)
libvirt (Alpine package)
How to mitigate CVE-2013-4311
Install update from vendor's website.
libvirt (Alpine package) - update to 1.0.5.8-r0
External 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