GLSA 200411-18: Apache 2.0: Denial of Service
Posted on: 11/10/2004 04:19 PM

An Apache 2.0 security update is available for Gentoo Linux

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Gentoo Linux Security Advisory GLSA 200411-18
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http://security.gentoo.org/
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Severity: Normal
Title: Apache 2.0: Denial of Service by memory consumption
Date: November 10, 2004
Bugs: #70138
ID: 200411-18

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Synopsis
=======

A flaw in Apache 2.0 could allow a remote attacker to cause a Denial of Service.

Background
=========

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

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

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Package / Vulnerable / Unaffected
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1 net-www/apache < 2.0.52-r1 >= 2.0.52-r1
< 2.0

Description
==========

Chintan Trivedi discovered a vulnerability in Apache httpd 2.0 that is caused by improper enforcing of the field length limit in the header-parsing code.

Impact
=====

By sending a large amount of specially-crafted HTTP GET requests a remote attacker could cause a Denial of Service of the targeted system.

Workaround
=========

There is no known workaround at this time.

Resolution
=========

All Apache 2.0 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-www/apache-2.0.52-r1"

References
=========

[ 1 ] CAN-2004-0942
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0942
[ 2 ] Security vulnerabilities in Apache httpd 2.0
http://www.apacheweek.com/features/security-20

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

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

http://security.gentoo.org/glsa/glsa-200411-18.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 2004 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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