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Gentoo Linux Security Advisory                           GLSA 201507-09
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: PyPAM: Arbitrary code execution
     Date: July 09, 2015
     Bugs: #407603
       ID: 201507-09

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Synopsis
========

A double free vulnerability in PyPAM could result in execution of
arbitrary code or Denial of Service.

Background
==========

PyPAM is a PAM binding for Python.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-python/pypam            < 0.5.0-r3               >= 0.5.0-r3 

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

PyPAM does not handle passwords correctly if there is NULL byte in the
string.

Impact
======

A remote attacker could possibly execute arbitrary code or cause a
Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All PyPAM users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-python/pypam-0.5.0-r3"

References
==========

[ 1 ] CVE-2012-1502
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1502

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

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

 https://security.gentoo.org/glsa/201507-09

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 2015 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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