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Gentoo: 201209-20 mod_rpaf: Denial of Service Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Gentoo A vulnerability in mod_rpaf may result in Denial of Service.
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Gentoo Linux Security Advisory                           GLSA 201209-20
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: mod_rpaf: Denial of Service
     Date: September 27, 2012
     Bugs: #432406
       ID: 201209-20

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Synopsis
========

A vulnerability in mod_rpaf may result in Denial of Service.

Background
==========

mod_rpaf is a reverse proxy add forward module for backend Apache
servers.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  www-apache/mod_rpaf           < 0.6                       >= 0.6

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

An error has been found in the way mod_rpaf handles X-Forwarded-For
headers. Please review the CVE identifier referenced below for details.

Impact
======

A remote attacker could send a specially crafted HTTP header, possibly
resulting in a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All mod_rpaf users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-apache/mod_rpaf-0.6"

References
==========

[ 1 ] CVE-2012-3526
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3526

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

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

 http://security.gentoo.org/glsa/glsa-201209-20.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 2012 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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