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Gentoo Linux Security Advisory 200411-18

Gentoo Linux Security Advisory 200411-18
Posted Nov 12, 2004
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory GLSA 200411-18 - 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. Versions below 2.0.52 are affected.

tags | advisory
systems | linux, gentoo
SHA-256 | 76d1d2898fb7705175f98e96ff30e6079808022a4cae65af6ca975adad7473fa

Gentoo Linux Security Advisory 200411-18

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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
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
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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