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Gentoo Linux Security Advisory                           GLSA 201701-67
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: a2ps: Arbitrary code execution
     Date: January 29, 2017
     Bugs: #506352
       ID: 201701-67

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Synopsis
=======
A vulnerability in a2ps' fixps script might allow remote attackers to
execute arbitrary code.

Background
=========
a2ps is an Any to PostScript filter.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-text/a2ps               < 4.14-r5                 >= 4.14-r5

Description
==========
a2ps' fixps script does not invoke gs with the -dSAFER option.

Impact
=====
Remote attackers, by enticing a user to process a specially crafted
PostScript file, could delete arbitrary files or execute arbitrary code
with the privileges of the process.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All a2ps users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-text/a2ps-4.14-r5"

References
=========
[ 1 ] CVE-2014-0466
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0466

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/201701-67

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2017 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/