GLSA 200605-07: Nagios: Buffer overflow

Severity:high
Title:Nagios: Buffer overflow
Date:05/07/2006
Bugs: #132159, #133487
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 Architecture(s)
net-analyzer/nagios-core < 1.4.1 >= 1.4.1 All supported architectures

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-1.4.1"

References

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 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!