CVE-2013-6456

Medium

Description

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.

SeverityMedium
CVSS5.8
Exploit probability—
ProductRedhat Libvirt
PublishedApr 15, 2014
First seenApr 15, 2014

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
redhat libvirt1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.5.1, 1.0.5.2, 1.0.5.3, 1.0.5.4, 1.0.5.5, 1.0.5.6, 1.0.6, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.2.0, 1.2.1—
fedoraproject fedora20—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.