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Gentoo Linux Security Advisory                           GLSA 201301-03
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: Tor: Multiple vulnerabilities
     Date: January 08, 2013
     Bugs: #432188, #434882, #444804
       ID: 201301-03

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Synopsis
========

Multiple vulnerabilities have been found in Tor, allowing attackers to
cause Denial of Service or obtain sensitive information.

Background
==========

Tor is an implementation of second generation Onion Routing, a
connection-oriented anonymizing communication service.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-misc/tor                < 0.2.3.25               >= 0.2.3.25

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

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

Impact
======

A remote attacker could cause a Denial of Service condition or obtain
sensitive information.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Tor users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/tor-0.2.3.25"

References
==========

[ 1 ] CVE-2012-3517
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3517
[ 2 ] CVE-2012-3518
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3518
[ 3 ] CVE-2012-3519
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3519
[ 4 ] CVE-2012-4419
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4419
[ 5 ] CVE-2012-4922
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4922
[ 6 ] CVE-2012-5573
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5573

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

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

 http://security.gentoo.org/glsa/glsa-201301-03.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