CVE-2018-6553

Published: Aug 10, 2018Modified: Jun 17, 2026

8.8

Vector

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

Exploitability: 2.0 / Impact: 6.0

Source: NVD

Description

The CUPS AppArmor profile incorrectly confined the dnssd backend due to use of hard links. A local attacker could possibly use this issue to escape confinement. This flaw affects versions prior to 2.2.7-1ubuntu2.1 in Ubuntu 18.04 LTS, prior to 2.2.4-7ubuntu3.1 in Ubuntu 17.10, prior to 2.1.3-4ubuntu0.5 in Ubuntu 16.04 LTS, and prior to 1.7.2-0ubuntu1.10 in Ubuntu 14.04 LTS.

Affected (7)

Products: Canonical: Ubuntu Linux · Cups: Cups · Debian: Debian Linux

1 product

1 product

1 product

Configuration A

7 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 14.04
Canonical Ubuntu Linux	Version 16.04
Canonical Ubuntu Linux	Version 17.10
Canonical Ubuntu Linux	Version 18.04
Cups Cups	All versions
Debian Debian Linux	Version 8.0
Debian Debian Linux	Version 9.0