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[gentoo-announce] [ GLSA 201209-20 ] mod_rpaf: Denial of Service

Posted on 27 September 2012
Gentoo-announce

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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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