User Impersonation Affecting libvirt package, versions [,4.1.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (7th percentile)

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  • Snyk IDSNYK-UNMANAGED-LIBVIRT-2327404
  • published29 Dec 2021
  • disclosed23 Feb 2018
  • creditUnknown

Introduced: 23 Feb 2018

CVE-2018-6764  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

Upgrade libvirt to version 4.1.0 or higher.

Overview

Affected versions of this package are vulnerable to User Impersonation util/virlog.c in libvirt does not properly determine the hostname on LXC container startup, which allows local guest OS users to bypass an intended container protection mechanism and execute arbitrary commands via a crafted NSS module.

CVSS Base Scores

version 3.1