Vulnerability in Canonical Ubuntu Linux
CVE-2013-4311
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.6 (Medium). Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (32.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Canonical Ubuntu Linux — versions 10.04, 12.04, 12.10
- Red Hat Enterprise Linux — versions 6.0
- Red Hat Libvirt — versions 0.9.12, 0.10.2, 0.10.2.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ubuntu.com/usn/USN-1954-1 (vendor-advisory, Vendor Advisory)
- wiki.libvirt.org/page/Maintenance_Releases (Patch)
- www.openwall.com/lists/oss-security/2013/09/18/6 (mailing-list)
- rhn.redhat.com/errata/RHSA-2013-1272.html (vendor-advisory, Vendor Advisory)
- rhn.redhat.com/errata/RHSA-2013-1460.html (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2013-10/msg00024.html (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2013-10/msg00023.html (vendor-advisory)
Frequently asked questions
- What is CVE-2013-4311?
- CVE-2013-4311 is a vulnerability in Canonical Ubuntu Linux, classified under CWE-264. Published 2013-10-03.
- Is CVE-2013-4311 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.