CVE-2018-6764
HIGHlibvirt - Arbitrary Command Execution via Crafted NSS Module
Title source: llmDescription
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.
References (4)
Core 4
Core References
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4137
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3113
Patch, Third Party Advisory mailing-list
x_refsource_mlist
https://www.redhat.com/archives/libvir-list/2018-February/msg00239.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-3576-1
Scores
CVSS v3
7.8
EPSS
0.0034
EPSS Percentile
25.3%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-346
Status
published
Products (10)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
17.10
debian/debian_linux
8.0
debian/debian_linux
9.0
redhat/enterprise_linux_desktop
7.0
redhat/enterprise_linux_server
7.0
redhat/enterprise_linux_workstation
7.0
redhat/libvirt
redhat/virtualization
4.0
Published
Feb 23, 2018
Tracked Since
Feb 18, 2026