Link Following Affecting libvirt-nss package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS7-LIBVIRTNSS-1938810
  • published26 Jul 2021
  • disclosed17 Dec 2013

Introduced: 17 Dec 2013

CVE-2013-6456  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 libvirt-nss.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-nss package and not the libvirt-nss package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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.

CVSS Scores

version 3.1