USN-2143-1: cups-filters vulnerabilities

12 March 2014

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

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Details

Florian Weimer discovered that cups-filters incorrectly handled memory
in the urftopdf filter. An attacker could possibly use this issue to
execute arbitrary code with the privileges of the lp user. This issue only
affected Ubuntu 13.10. (CVE-2013-6473)

Florian Weimer discovered that cups-filters incorrectly handled memory
in the pdftoopvp filter. An attacker could possibly use this issue to
execute arbitrary code with the privileges of the lp user. (CVE-2013-6474,
CVE-2013-6475)

Florian Weimer discovered that cups-filters did not restrict driver
directories in in the pdftoopvp filter. An attacker could possibly use this
issue to execute arbitrary code with the privileges of the lp user.
(CVE-2013-6476)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 13.10
Ubuntu 12.10
Ubuntu 12.04

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

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