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Gentoo Linux Security Advisory                           GLSA 201706-10
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Pidgin: Arbitrary code execution
     Date: June 06, 2017
     Bugs: #612188
       ID: 201706-10

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Synopsis
========

A vulnerability in Pidgin might allow remote attackers to execute
arbitrary code.

Background
==========

Pidgin is a GTK Instant Messenger client for a variety of instant
messaging protocols.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-im/pidgin                < 2.12.0                  >= 2.12.0

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

Joseph Bisch discovered that Pidgin incorrectly handled certain xml
messages.

Impact
======

A remote attacker could send a specially crafted instant message,
possibly resulting in execution of arbitrary code with the privileges
of the Pidgin process.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Pidgin users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-im/pidgin-2.12.0"

References
==========

[ 1 ] CVE-2017-2640
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-2640

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

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

 https://security.gentoo.org/glsa/201706-10

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.

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