CVE-2018-6764

MEDIUM

Description

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

http://www.ubuntu.com/usn/USN-3576-1

https://access.redhat.com/errata/RHSA-2018:3113

https://www.debian.org/security/2018/dsa-4137

https://www.redhat.com/archives/libvir-list/2018-February/msg00239.html

Details

Source: MITRE

Published: 2018-02-23

Updated: 2019-03-26

Type: CWE-284

Risk Information

CVSS v2.0

Base Score: 4.6

Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH