Message-ID: <47AA082A.5000007@idefense.com>
Date: Wed, 06 Feb 2008 14:19:06 -0500
From: iDefense Labs <labs-no-reply@...fense.com>
To: vulnwatch@...nwatch.org, full-disclosure@...ts.grok.org.uk, 
	bugtraq@...urityfocus.com
Subject: iDefense Security Advisory 02.04.08:
 Hewlett-Packard Network Node Manager Topology Manager Service DoS
 Vulnerability

iDefense Security Advisory 02.04.08
http://labs.idefense.com/intelligence/vulnerabilities/
Feb 04, 2008

I. BACKGROUND

HP Network Node Manager is a network mapping and management application
that allows administrators to monitor and control their networks. The
ovtopmd process listens, in a default configuration, on TCP port 2532.
More information can be found on the vendor's site at the following
URL.

http://h20229.www2.hp.com/products/nnm/index.html

II. DESCRIPTION

Remote exploitation of a denial of service vulnerability in
Hewlett-Packard's Network Node Manager product allows attackers to
crash the ovtopmd process.

The ovtopmd process contains an implementation error, in which it
attempts to access an invalid memory address based on data within the
TCP stream. By sending a specially crafted request, an attacker can
cause the service to crash.

III. ANALYSIS

Exploitation allows an attacker to crash the ovtopmd process. In order
to exploit this vulnerability, an attacker must be able to establish a
session with the service on TCP port 2532. No authentication is
required to access the vulnerable code path.

IV. DETECTION

iDefense has confirmed this vulnerability in HP's OpenView Network Node
Manager 7.5 with all updates applied as of May 14th, 2007.

V. WORKAROUND

Employing firewalls to limit access to the affected service will
mitigate exposure to this vulnerability.

VI. VENDOR RESPONSE

Hewlett-Packard has addressed this vulnerability in the HPSBMA02307
(SSRT071420) security bulletin. For more information, visit the
following URL.

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01321117

VII. CVE INFORMATION

The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2008-0212 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for
security problems.

VIII. DISCLOSURE TIMELINE

05/14/2007  Initial vendor notification
05/15/2007  Initial vendor response
02/04/2008  Coordinated public disclosure

IX. CREDIT

The discoverer of this vulnerability wishes to remain anonymous.

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X. LEGAL NOTICES

Copyright © 2008 iDefense, Inc.

Permission is granted for the redistribution of this alert
electronically. It may not be edited in any way without the express
written consent of iDefense. If you wish to reprint the whole or any
part of this alert in any other medium other than electronically,
please e-mail customerservice@...fense.com for permission.

Disclaimer: The information in the advisory is believed to be accurate
at the time of publishing based on currently available information. Use
of the information constitutes acceptance for use in an AS IS condition.
 There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct,
indirect, or consequential loss or damage arising from use of, or
reliance on, this information.

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