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Ubuntu 15.10: USN-2838-1 Critical: cups-filters Remote Command Execution

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Calendar Grey December 16, 2015
Scroller Ubuntu
The Ubuntu Security Advisory USN-2838-1 reveals a vulnerability in cups-filters that could permit unauthorized command execution, necessitating prompt software updates.
cups-filters could be made to run programs as the lp user if it processed a specially crafted print job.

Summary

cups-filters could be made to run programs as the lp user if it processed a

specially crafted print job.

Software Description:

- cups-filters: OpenPrinting CUPS Filters

Details:

Adam Chester discovered that the cups-filters foomatic-rip filter

incorrectly stripped shell escape characters. A remote attacker could

possibly use this issue to execute arbitrary code as the lp user.

Topics%20covered

Topics Covered

security advisory critical command execution Ubuntu remote code cups-filters print job

Update Instructions

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

Ubuntu 15.10:
  cups-filters                    1.0.76-1ubuntu0.2

Ubuntu 15.04:
  cups-filters                    1.0.67-0ubuntu2.6

Ubuntu 14.04 LTS:
  cups-filters                    1.0.52-0ubuntu1.7

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

References

https://ubuntu.com/security/notices/USN-2838-1

CVE-2015-8560

Severity
critical
Lowest
Low
Medium
High
Critical

December 16, 2015

Topics%20covered

Topics Covered

security advisory critical command execution Ubuntu remote code cups-filters print job

Package Information

https://launchpad.net/ubuntu/+source/cups-filters/1.0.76-1ubuntu0.2
https://launchpad.net/ubuntu/+source/cups-filters/1.0.67-0ubuntu2.6
https://launchpad.net/ubuntu/+source/cups-filters/1.0.52-0ubuntu1.7

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