Public Vulnerability Reports

Novell ZENworks Asset Management Collection Client Heap Overflow Vulnerability



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.

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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.


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.


iDefense has confirmed the existence of this vulnerability in version 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.


iDefense is unaware of an effective workarounds for this issue.


Novell's ZENworks team has addressed this vulnerability within ZENworks 7 Asset Management SP1 IR11. More information can be found by visiting


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


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


This vulnerability was reported to iDefense by Eric Detoisien.

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Copyright © 2006 Verisign, Inc.

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