USN-3351-1: Evince vulnerability

Ubuntu Security Notice USN-3351-1

13th July, 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 version:

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2017-1000083