[ GLSA 200803-19 ] Apache: Multiple vulnerabilities

[Pierre-Yves Rofes <py () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200803-19
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Apache: Multiple vulnerabilities
      Date: March 11, 2008
      Bugs: #201163, #204410, #205195, #209899
        ID: 200803-19

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Synopsis
========

Multiple vulnerabilities have been discovered in Apache.

Background
==========

The Apache HTTP server is one of the most popular web servers on the
Internet.

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

    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  www-servers/apache       < 2.2.8                         >= 2.2.8

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

Adrian Pastor and Amir Azam (ProCheckUp) reported that the HTTP Method
specifier header is not properly sanitized when the HTTP return code is
"413 Request Entity too large" (CVE-2007-6203). The mod_proxy_balancer
module does not properly check the balancer name before using it
(CVE-2007-6422). The mod_proxy_ftp does not define a charset in its
answers (CVE-2008-0005). Stefano Di Paola (Minded Security) reported
that filenames are not properly sanitized within the mod_negociation
module (CVE-2008-0455, CVE-2008-0456).

Impact
======

A remote attacker could entice a user to visit a malicious URL or send
specially crafted HTTP requests (i.e using Adobe Flash) to perform
Cross-Site Scripting and HTTP response splitting attacks, or conduct a
Denial of Service attack on the vulnerable web server.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Apache users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-servers/apache-2.2.8"

References
==========

  [ 1 ] CVE-2007-6203
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6203
  [ 2 ] CVE-2007-6422
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6422
  [ 3 ] CVE-2008-0005
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0005
  [ 4 ] CVE-2008-0455
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0455
  [ 5 ] CVE-2008-0456
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0456

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

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

  http://security.gentoo.org/glsa/glsa-200803-19.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
http://bugs.gentoo.org.

License
=======

Copyright 2008 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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