VULNERABILITY INTELLIGENCE
CVE-2018-6553
CVSS score8.8 HIGH
EPSS probability0.39%
CISA KEVNot currently listed
Published2018-08-10
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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.
Primary references
- security@ubuntu.com — Issue Tracking, Mailing List, Third Party Advisory
- security@ubuntu.com
- security@ubuntu.com — Third Party Advisory
- security@ubuntu.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory