Advisory Published

USN-6844-2: CUPS regression

First published: Fri Jun 28 2024(Updated: )

USN-6844-1 fixed vulnerabilities in the CUPS package. The update lead to the discovery of a regression in CUPS with regards to how the cupsd daemon handles Listen configuration directive. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Rory McNamara discovered that when starting the cupsd server with a Listen configuration item, the cupsd process fails to validate if bind call passed. An attacker could possibly trick cupsd to perform an arbitrary chmod of the provided argument, providing world-writable access to the target.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/cups<2.4.7-1.2ubuntu7.2
2.4.7-1.2ubuntu7.2
Ubuntu Ubuntu=24.04
All of
ubuntu/cups-daemon<2.4.7-1.2ubuntu7.2
2.4.7-1.2ubuntu7.2
Ubuntu Ubuntu=24.04
All of
ubuntu/cups<2.4.6-0ubuntu3.2
2.4.6-0ubuntu3.2
Ubuntu Ubuntu=23.10
All of
ubuntu/cups-daemon<2.4.6-0ubuntu3.2
2.4.6-0ubuntu3.2
Ubuntu Ubuntu=23.10
All of
ubuntu/cups<2.4.1op1-1ubuntu4.10
2.4.1op1-1ubuntu4.10
Ubuntu Ubuntu=22.04
All of
ubuntu/cups-daemon<2.4.1op1-1ubuntu4.10
2.4.1op1-1ubuntu4.10
Ubuntu Ubuntu=22.04
All of
ubuntu/cups<2.3.1-9ubuntu1.8
2.3.1-9ubuntu1.8
Ubuntu Ubuntu=20.04
All of
ubuntu/cups-daemon<2.3.1-9ubuntu1.8
2.3.1-9ubuntu1.8
Ubuntu Ubuntu=20.04
All of
ubuntu/cups<2.2.7-1ubuntu2.10+esm5
2.2.7-1ubuntu2.10+esm5
Ubuntu Ubuntu=18.04
All of
ubuntu/cups-daemon<2.2.7-1ubuntu2.10+esm5
2.2.7-1ubuntu2.10+esm5
Ubuntu Ubuntu=18.04
All of
ubuntu/cups<2.1.3-4ubuntu0.11+esm7
2.1.3-4ubuntu0.11+esm7
Ubuntu Ubuntu=16.04
All of
ubuntu/cups-daemon<2.1.3-4ubuntu0.11+esm7
2.1.3-4ubuntu0.11+esm7
Ubuntu Ubuntu=16.04

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