Ubuntu Security Notice 7042-3 - USN-7042-2 released an improved fix for cups-browsed. This update provides the corresponding update for Ubuntu 24.10. Simone Margaritelli discovered that cups-browsed 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.
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Ubuntu Security Notice USN-7042-3
October 21, 2024
cups-browsed vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 24.10
Summary:
cups-browsed could be made to run programs if it received specially crafted
network traffic.
Software Description:
- cups-browsed: OpenPrinting cups-browsed
Details:
USN-7042-2 released an improved fix for cups-browsed. This update provides
the corresponding update for Ubuntu 24.10.
Original advisory details:
Simone Margaritelli discovered that cups-browsed 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 24.10
cups-browsed 2.0.1-0ubuntu2.1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7042-3
https://ubuntu.com/security/notices/USN-7042-2
https://ubuntu.com/security/notices/USN-7042-1
CVE-2024-47176
Package Information:
https://launchpad.net/ubuntu/+source/cups-browsed/2.0.1-0ubuntu2.1