Gentoo Linux Security Advisory GLSA 200605-07

                                        http://security.gentoo.org/

Severity: High
Title: Nagios: Buffer overflow
Date: May 07, 2006
Bugs: #132159
ID: 200605-07

Synopsis

Nagios is vulnerable to a buffer overflow which may lead to remote
execution of arbitrary code.

Background

Nagios is an open source host, service and network monitoring program.

Affected packages

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

1 net-analyzer/nagios-core < 1.4 >= 1.4

Description

Sebastian Krahmer of the SuSE security team discovered a buffer
overflow vulnerability in the handling of a negative HTTP
Content-Length header.

Impact

A buffer overflow in Nagios CGI scripts under certain web servers
allows remote attackers to execute arbitrary code via a negative
content length HTTP header.

Workaround

There is no known workaround at this time.

Resolution

All Nagios users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-analyzer/nagios-core-1.4"

References

[ 1 ] CVE-2006-2162
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2162

Availability

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

http://security.gentoo.org/glsa/glsa-200605-07.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
[email protected] or alternatively, you may file a bug at
http://bugs.gentoo.org.

License

Copyright 2006 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