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Gentoo Linux Security Advisory                           GLSA 201412-41
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: OpenVPN: Denial of Service
     Date: December 26, 2014
     Bugs: #531308
       ID: 201412-41

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Synopsis
========

A vulnerability in OpenVPN could lead to Denial of Service.

Background
==========

OpenVPN is a multi-platform, full-featured SSL VPN solution.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-misc/openvpn             < 2.3.6                    >= 2.3.6

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

OpenVPN does not properly handle control channel packets that are too
small.

Impact
======

A remote authenticated attacker could send a specially crafted control
channel packet, possibly resulting in a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All OpenVPN users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/openvpn-2.3.6"

References
==========

[ 1 ] CVE-2014-8104
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8104

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

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

 http://security.gentoo.org/glsa/glsa-201412-41.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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