bugtraq - [ GLSA 200605-07 ] Nagios: Buffer overflow

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Date: Sun, 7 May 2006 20:25:59 +0200
From: Sune Kloppenborg Jeppesen <jaervosz@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200605-07 ] Nagios: Buffer overflow

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Gentoo Linux Security Advisory                           GLSA 200605-07
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Nagios: Buffer overflow
      Date: May 07, 2006
      Bugs: #132159
        ID: 200605-07

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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
security@...too.org 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

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