CVEvulnerability
CVE-2018-6553
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-08-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 8.8 HIGH — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
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 configurations
• cups cups
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 17.10
• canonical ubuntu linux 18.04
• debian debian linux 8.0
• debian debian linux 9.0
References
- https://lists.debian.org/debian-lts-announce/2018/07/msg00014.html Issue Tracking, Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201908-08 security.gentoo.org
- https://usn.ubuntu.com/usn/usn-3713-1 Third Party Advisory
- https://www.debian.org/security/2018/dsa-4243 Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00014.html Issue Tracking, Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201908-08 security.gentoo.org
- https://usn.ubuntu.com/usn/usn-3713-1 Third Party Advisory
- https://www.debian.org/security/2018/dsa-4243 Third Party Advisory