Gentoo: 201309-02 strongSwan: Multiple vulnerabilities
Posted by Benjamin D. Thomas   
Gentoo Multiple vulnerabilities have been found in strongSwan, possibly allowing remote attackers to authenticate as other users or cause a Denial of Service condition.
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Gentoo Linux Security Advisory                           GLSA 201309-02
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                                            http://security.gentoo.org/
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 Severity: Low
    Title: strongSwan: Multiple vulnerabilities
     Date: September 01, 2013
     Bugs: #468504, #479396, #483202
       ID: 201309-02

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Synopsis
========

Multiple vulnerabilities have been found in strongSwan, possibly
allowing remote attackers to authenticate as other users or cause a
Denial of Service condition.

Background
==========

strongSwan is an IPSec implementation for Linux.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-misc/strongswan          < 5.1.0                    >= 5.1.0

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

Multiple vulnerabilities have been discovered in strongSwan. Please
review the CVE identifiers referenced below for details.

Impact
======

A remote attacker could use ECDSA to authenticate as another user with
an invalid signature. Additionally, a remote attacker could send a
specially crafted request, possibly resulting in a Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All strongSwan users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/strongswan-5.1.0"

References
==========

[ 1 ] CVE-2013-2054
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2054
[ 2 ] CVE-2013-2944
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2944
[ 3 ] CVE-2013-5018
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-5018

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

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

 http://security.gentoo.org/glsa/glsa-201309-02.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 2013 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