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Gentoo Linux Security Advisory                           GLSA 201402-18
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: GNU Midnight Commander: User-assisted execution of arbitrary
           code
     Date: February 20, 2014
     Bugs: #436518
       ID: 201402-18

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Synopsis
========

GNU Midnight Commander does not properly sanitize environment
variables, possibly resulting in execution of arbitrary code or Denial
of Service.

Background
==========

GNU Midnight Commander is a text based file manager.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-misc/mc                  < 4.8.7                    >= 4.8.7 

Description
===========

GNU Midnight Commander does not properly sanitize environment
variables.

Impact
======

A remote attacker could entice a user to open a specially crafted
archive file using GNU Midnight Commander, possibly resulting in
execution of arbitrary code with the privileges of the process or a
Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All GNU Midnight Commander users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-misc/mc-4.8.7"

References
==========

[ 1 ] CVE-2012-4463
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4463

Availability
============

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

 http://security.gentoo.org/glsa/glsa-201402-18.xml

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 2014 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.

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



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