Public Vulnerability Reports

Novell ZENworks Asset Management Msg.dll 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 Task Server and Collection server daemons provide functionality to manage a distributed network of machines. These daemons will typically only be running on the machine that is being used to manage assets.

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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 the privileges of the administrator.

A heap overflow may occur when processing specially crafted packets sent to the Task Server or Collection Server daemons. This problem specifically exists due to an integer overflow when allocating memory for remotely supplied data.


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 both affected. Additionally, the Collection Client is statically linked with this library. Information on the vulnerability as it relates to the Collection Client can be found in a separate advisory.


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 any effective workaround 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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