CVE-2018-6553 Affecting cups package, versions <2.1.3-4ubuntu0.5
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-CUPS-364354
- published22 Jul 2018
- disclosed10 Aug 2018
Introduced: 22 Jul 2018
CVE-2018-6553 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 cups to version 2.1.3-4ubuntu0.5 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream cups package and not the cups package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-6553
- https://www.debian.org/security/2018/dsa-4243
- https://lists.debian.org/debian-lts-announce/2018/07/msg00014.html
- https://security-tracker.debian.org/tracker/CVE-2018-6553
- https://security.gentoo.org/glsa/201908-08
- https://usn.ubuntu.com/usn/usn-3713-1