[gentoo-announce] [ GLSA 201405-18 ] OpenConnect: User-assisted execution of arbitrary code

[gentoo-announce] [ GLSA 201405-18 ] OpenConnect: User-assisted execution of arbitrary code

[Sean Amoss]

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Gentoo Linux Security Advisory                           GLSA 201405-18
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: OpenConnect: User-assisted execution of arbitrary code
     Date: May 18, 2014
     Bugs: #457068
       ID: 201405-18

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Synopsis
========

A buffer overflow in OpenConnect could result in execution of arbitrary
code or Denial of Service.

Background
==========

OpenConnect is a free client for Cisco AnyConnect SSL VPN software.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-misc/openconnect          < 4.08                     >= 4.08 

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

A stack-based buffer overflow error has been discovered in OpenConnect.

Impact
======

A remote attacker could entice a user to connect to a malicious VPN
server, 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 OpenConnect users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/openconnect-4.08"

References
==========

[ 1 ] CVE-2012-6128
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6128

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

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

 http://security.gentoo.org/glsa/glsa-201405-18.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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