GLSA 200411-18: Apache 2.0: Denial of Service by memory consumption

Severity:normal
Title:Apache 2.0: Denial of Service by memory consumption
Date:11/10/2004
Bugs: #70138
ID:200411-18

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 Architecture(s)
www-servers/apache < 2.0.52-r1 >= 2.0.52-r1 All supported architectures

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 ">=www-servers/apache-2.0.52-r1"

References

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 https://bugs.gentoo.org.

License

Copyright 2010 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.

Thank you!