CVE-2018-6553

AppArmor cupsd Sandbox Bypass Due to Use of Hard Links

State: Published
Severity: Not scored
Published: Aug 10, 2018
Updated: Sep 16, 2024
Reserved: Feb 2, 2018

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
cupsn/a	before 2.2.7-1ubuntu2.1Affected
cupsn/a	before 2.2.4-7ubuntu3.1Affected
cupsn/a	before 2.1.3-4ubuntu0.5Affected
cupsn/a	before 1.7.2-0ubuntu1.10Affected

References

USN-3713-1vendor-advisory
DSA-4243vendor-advisory
[debian-lts-announce] 20180714 [SECURITY] [DLA 1426-1] cups security updatemailing-list
GLSA-201908-08vendor-advisory

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