==========================================================================
Ubuntu Security Notice USN-3351-1
July 13, 2017

evince vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 17.04
– Ubuntu 16.10
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

Evince could be made run programs as your login if it opened a
specially crafted file.

Software Description:
– evince: Document viewer

Details:

Felix Wilhelm discovered that Evince did not safely invoke tar when
handling tar comic book (cbt) files. An attacker could use this to
construct a malicious cbt comic book format file that, when opened
in Evince, executes arbitrary code. Please note that this update
disables support for cbt files in Evince.

Update instructions:

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

Ubuntu 17.04:
evince 3.24.0-0ubuntu1.1
evince-common 3.24.0-0ubuntu1.1

Ubuntu 16.10:
evince 3.22.0-0ubuntu1.1
evince-common 3.22.0-0ubuntu1.1

Ubuntu 16.04 LTS:
evince 3.18.2-1ubuntu4.1
evince-common 3.18.2-1ubuntu4.1

Ubuntu 14.04 LTS:
evince 3.10.3-0ubuntu10.3
evince-common 3.10.3-0ubuntu10.3

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

References:
https://www.ubuntu.com/usn/usn-3351-1
CVE-2017-1000083

Package Information:
https://launchpad.net/ubuntu/+source/evince/3.24.0-0ubuntu1.1
https://launchpad.net/ubuntu/+source/evince/3.22.0-0ubuntu1.1
https://launchpad.net/ubuntu/+source/evince/3.18.2-1ubuntu4.1
https://launchpad.net/ubuntu/+source/evince/3.10.3-0ubuntu10.3

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