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Novell ZENworks Asset Management Collection Client Heap Overflow Vulnerability

12.01.06

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/

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.

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.

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.

WORKAROUND

iDefense is unaware of an effective workarounds for this issue.

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.

CVE INFORMATION

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

DISCLOSURE TIMELINE

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

CREDIT

This vulnerability was reported to iDefense by Eric Detoisien.

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LEGAL NOTICES

Copyright © 2006 Verisign, Inc.

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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.