GLSA 201209-20: mod_rpaf: Denial of Service

http://security.gentoo.org/

Severity:	normal
Title:	mod_rpaf: Denial of Service
Date:	09/27/2012
Bugs:	#432406
ID:	201209-20

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	Architecture(s)
www-apache/mod_rpaf	< 0.6	>= 0.6	All supported architectures

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

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.