========================================================================== Ubuntu Security Notice USN-7043-4 October 09, 2024
cups-filters vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: cups-filters could be made to run programs if it received specially crafted network traffic. Software Description: - cups-filters: OpenPrinting CUPS Filters Details: USN-7043-1 fixed vulnerabilities in cups-filters. This update improves the fix for CVE-2024-47176 by removing support for the legacy CUPS printer discovery protocol entirely. Original advisory 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 1.28.15-0ubuntu1.4 cups-filters 1.28.15-0ubuntu1.4 Ubuntu 20.04 LTS cups-browsed 1.27.4-1ubuntu0.4 cups-filters 1.27.4-1ubuntu0.4 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7043-4 https://ubuntu.com/security/notices/USN-7043-3 https://ubuntu.com/security/notices/USN-7043-2 https://ubuntu.com/security/notices/USN-7043-1 CVE-2024-47076, CVE-2024-47176 Package Information: https://launchpad.net/ubuntu/+source/cups-filters/1.28.15-0ubuntu1.4 https://launchpad.net/ubuntu/+source/cups-filters/1.27.4-1ubuntu0.4
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Description: OpenPGP digital signature
