CVE-2018-6553

Published: 11 July 2018

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.

Priority

Medium

CVSS 3 base score: 8.8

Status

Package Release Status
cups
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 18.04 LTS (Bionic Beaver)
Released (2.2.7-1ubuntu2.1)
Ubuntu 16.04 LTS (Xenial Xerus)
Released (2.1.3-4ubuntu0.5)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [1.7.2-0ubuntu1.10])