Date: Fri, 01 Dec 2006 16:01:18 -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 12.01.06: Novell
 ZENworks Asset Management Collection Client Heap Overflow Vulnerability

Novell ZENworks Asset Management Collection Client Heap Overflow
Vulnerability

iDefense Security Advisory 12.01.06
http://labs.idefense.com/intelligence/vulnerabilities/
Dec 01, 2006

I. BACKGROUND

Novell Inc's ZENworks is a set of tools used to automate IT management and
business processes across the various computing resources within an
organization.

The Collection Client provides functionality, as a service, that will
supply the Collection Server with information regarding the managed
machine's hardware and software configuration.

For more information, visit http://www.novell.com/products/zenworks/

II. DESCRIPTION

Remote exploitation of an integer overflow vulnerability in Novell Inc.'s
ZENworks Asset Management could potentially allow an attacker to execute
arbitrary code with SYSTEM privileges on Windows or root on the various
supported UNIX based operating systems.

A heap overflow may occur when processing specially crafted packets sent
to the Collection Client daemon. The root cause of this vulnerability is
identical to that of the vulnerability in Msg.dll. For more information
please consult the Msg.dll advisory.

III. ANALYSIS

Successful exploitation of this vulnerability could allow a remote attacker
to take complete control of the affected system.

While researching this vulnerability, iDefense Labs found that the Task
Server and Collection Server components were also affected. It seems that
the Collection Client is statically linked with the Msg.dll library.

IV. DETECTION

iDefense has confirmed the existence of this vulnerability in version
7.0.0.36 of the CClient.exe and Msg.dll files included with Novell Inc's
ZENworks Asset Management 7.0 SP1. Older versions are suspected to be
vulnerable as well.

V. WORKAROUND

iDefense is unaware of an effective workarounds for this issue.

VI. VENDOR RESPONSE

Novell's ZENworks team has addressed this vulnerability within ZENworks 7
Asset Management SP1 IR11.  More information can be found by visiting
http://support.novell.com/cgi-bin/search/searchtid.cgi?/2974824.htm .

VII. CVE INFORMATION

A Mitre Corp. Common Vulnerabilities and Exposures (CVE) number has not
been assigned yet.

VIII. DISCLOSURE TIMELINE

10/16/2006  Initial vendor notification
10/19/2006  Initial vendor response
12/01/2006  Coordinated public disclosure

IX. CREDIT

This vulnerability was reported to iDefense by Eric Detoisien.

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X. LEGAL NOTICES

Copyright © 2006 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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