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Ubuntu 22.04 LTS USN-7043-1: Critical cups-filters Code Execution Threat

ubuntu
Calendar Grey September 26, 2024
Dist Ubuntu Esm H88
Exploitable flaws in Cups-filters on Ubuntu could enable remote code execution through specially crafted network packets. Ensure your systems are updated.
cups-filters could be made to run programs if it received specially crafted network traffic.

Summary

cups-filters could be made to run programs if it received specially crafted

network traffic.

Software Description:

- cups-filters: OpenPrinting CUPS Filters

Details:

Simone Margaritelli discovered that the cups-filters cups-browsed component

could be used to create arbitrary printers from outside the local network.

In combination with issues in other printing components, a remote attacker

could possibly use this issue to connect to a system, created manipulated

PPD files, and execute arbitrary code when a printer is used. This update

disables support for the legacy CUPS printer discovery protocol.

(CVE-2024-47176)

Simone Margaritelli discovered that cups-filters incorrectly sanitized IPP

data when creating PPD files. A remote attacker could possibly use this

issue to manipulate PPD files and execute arbitrary code when a printer is

used. (CVE-2024-47076)

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS
   cups-browsed                    1.28.15-0ubuntu1.3
   cups-filters                    1.28.15-0ubuntu1.3

Ubuntu 20.04 LTS
   cups-browsed                    1.27.4-1ubuntu0.3
   cups-filters                    1.27.4-1ubuntu0.3

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7043-1

CVE-2024-47076, CVE-2024-47176

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7043-1

Package Information

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