==========================================================================
Ubuntu Security Notice USN-7043-2
October 01, 2024
cups-filters vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 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 a vulnerability in cups-filters. This update provides
the corresponding update for Ubuntu 18.04 LTS.
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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS
  cups-browsed                    1.20.2-0ubuntu3.3+esm1
                                  Available with Ubuntu Pro
  cups-filters                    1.20.2-0ubuntu3.3+esm1
                                  Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
  https://ubuntu.com/security/notices/USN-7043-2
  https://ubuntu.com/security/notices/USN-7043-1
  CVE-2024-47176