[ GLSA 200508-15 ] Apache 2.0: Denial of Service vulnerability

[Sune Kloppenborg Jeppesen <jaervosz () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200508-15
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Apache 2.0: Denial of Service vulnerability
      Date: August 25, 2005
      Bugs: #102991
        ID: 200508-15

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Synopsis
========

A bug in Apache may allow a remote attacker to perform a Denial of
Service attack.

Background
==========

The Apache HTTP Server Project is a featureful, freely-available HTTP
(Web) server.

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

    -------------------------------------------------------------------
     Package         /   Vulnerable   /                     Unaffected
    -------------------------------------------------------------------
  1  net-www/apache      < 2.0.54-r9                      >= 2.0.54-r9
                                                                 < 2.0

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

Filip Sneppe discovered that Apache improperly handles byterange
requests to CGI scripts.

Impact
======

A remote attacker may access vulnerable scripts in a malicious way,
exhausting all RAM and swap space on the server, resulting in a Denial
of Service of the Apache 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 ">=net-www/apache-2.0.54-r9"

References
==========

  [ 1 ] ASF Bugzilla Bug 29962
        http://issues.apache.org/bugzilla/show_bug.cgi?id=29962

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

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

  http://security.gentoo.org/glsa/glsa-200508-15.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 2005 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/2.0

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