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Gentoo Linux Security Advisory                           GLSA 200711-06
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Apache: Multiple vulnerabilities
      Date: November 07, 2007
      Bugs: #186219
        ID: 200711-06

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Synopsis
========

Multiple vulnerabilities have been discovered in Apache, possibly
resulting in a Denial of Service or the disclosure of sensitive
information.

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       < 2.2.6                    *>= 2.0.59-r5
                                                              >= 2.2.6

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

Multiple cross-site scripting vulnerabilities have been discovered in
mod_status and mod_autoindex (CVE-2006-5752, CVE-2007-4465). An error
has been discovered in the recall_headers() function in mod_mem_cache
(CVE-2007-1862). The mod_cache module does not properly sanitize
requests before processing them (CVE-2007-1863). The Prefork module
does not properly check PID values before sending signals
(CVE-2007-3304). The mod_proxy module does not correctly check headers
before processing them (CVE-2007-3847).

Impact
======

A remote attacker could exploit one of these vulnerabilities to inject
arbitrary script or HTML content, obtain sensitive information or cause
a Denial of Service.

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-2.0.59-r5"

References
==========

  [ 1 ] CVE-2006-5752
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5752
  [ 2 ] CVE-2007-1862
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1862
  [ 3 ] CVE-2007-1863
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1863
  [ 4 ] CVE-2007-3304
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3304
  [ 5 ] CVE-2007-3847
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3847
  [ 6 ] CVE-2007-4465
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4465

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

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

  http://security.gentoo.org/glsa/glsa-200711-06.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 2007 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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