CVE Database

CVE-2013-6456

Impact: Moderate
Public: 2013-12-17
Bugzilla: 1048627: CVE-2013-6456 libvirt: unsafe usage of paths under /proc/$PID/root

Details

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2013-6456 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score: 6.2
Base Metrics: AV:A/AC:L/Au:S/C:N/I:P/A:C
Access Vector: Adjacent Network
Access Complexity: Low
Authentication: Single Instance
Confidentiality Impact: None
Integrity Impact: Partial
Availability Impact: Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date

External References

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