==========================================================================
Ubuntu Security Notice USN-2838-1
December 16, 2015
cups-filters vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 15.10
– Ubuntu 15.04
– Ubuntu 14.04 LTS
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.
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:
http://www.ubuntu.com/usn/usn-2838-1
CVE-2015-8560
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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