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

http://security.gentoo.org/

Severity:	normal
Title:	Apache 2.0: Denial of Service vulnerability
Date:	08/25/2005
Bugs:	#102991
ID:	200508-15

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	Architecture(s)
www-servers/apache	< 2.0.54-r9	>= 2.0.54-r9	All supported architectures

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 ">=www-servers/apache-2.0.54-r9"

References

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 https://bugs.gentoo.org.