Vulnerability in Fedoraproject Fedora
CVE-2013-6456
The LXC driver (lxc/lxc_driver.c) in libvirt 1.0.1 through 1.2.1 allows local users to (1) delete arbitrary host devices via the virDomainDeviceDettach API and a symlink attack on /dev in the container; (2) create arbitrary nodes (mknod) via the virDomainDeviceAttach API and a symlink attack on /dev in the container; and cause a denial of service (shutdown or reboot host OS) via the (3) virDomainShutdown or (4) virDomainReboot API and a symlink attack on /dev/initctl in the container, related to "paths under /proc/$PID/root" and the virInitctlSetRunLevel function.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.8 (Medium). Vector: AV:A/AC:M/Au:S/C:N/I:P/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.006 (45.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Fedoraproject Fedora — versions 20
- Red Hat Libvirt — versions 1.0.1, 1.0.2, 1.0.3
Weakness classification (CWE)
References
- libvirt.org/news.html
- secunia.com/advisories/56187 (Vendor Advisory, third-party-advisory)
- secunia.com/advisories/60895 (third-party-advisory)
- security.gentoo.org/glsa/glsa-201412-04.xml (vendor-advisory)
- libvirt.org/git/
- lists.opensuse.org/opensuse-updates/2014-05/msg00004.html (vendor-advisory)
- security.libvirt.org/2013/0018.html (Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi
- lists.fedoraproject.org/pipermail/package-announce/2014-February/129199.html (vendor-advisory)
- www.securityfocus.com/bid/65743 (vdb-entry)