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Ubuntu 22.04 LTS: USN-7043-4 critical: cups-filters remote code execution

ubuntu
Calendar Grey October 9, 2024
Scroller Ubuntu
Critical notices for cups-filters in Ubuntu versions 20.04 and 22.04 to address vulnerabilities that may lead to unauthorized code execution.
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:

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 co...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory remote code execution Ubuntu network traffic cups-filters

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7043-4

Topics%20covered

Topics Covered

security advisory remote code execution Ubuntu network traffic cups-filters

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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