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Vulnerabilities in Client Service for NetWare
From: Avert () avertlabs com
Date: 16 Nov 2006 16:22:55 -0000

McAfee, Inc.
McAfee® Avert® Labs Security Advisory
Public Release Date: 2006-11-16

Vulnerabilities in Client Service for NetWare

CVE-2006-4688, CVE-2006-4689

•       Synopsis

The Client Service for NetWare (CSNW) allows a Windows client to access NetWare file, print, and directory services. 

Successful exploitation could lead to execution of arbitrary code or cause the affected system to stop responding. 

•       Vulnerable System or Application

Microsoft Windows 2000 Service Pack 4 
Microsoft Windows XP Service Pack 2
Microsoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1


•       Vulnerability Information


A boundary error in Client Service for Netware (CSNW) can be exploited to cause a buffer overflow via a specially 
crafted network message sent to the system. Successful exploitation allows execution of arbitrary code and an attacker 
could remotely take complete control of the affected system.


A denial of service vulnerability exists in Client Service for NetWare (CSNW) that could allow an attacker to send a 
specially crafted network message to an affected system running the Client Service for NetWare service. An attacker 
could cause the system to stop responding and automatically restart thus causing the affected system to stop accepting 

•       Resolution

Microsoft has included fixes for the Client Service for Netware (CSNW) issues in the November 2006 Security Bulletin 
MS06-066 for affected Windows platforms. 

•       Credits

These vulnerabilities were discovered by Sam Arun Raj of McAfee Avert Labs.


•       Legal Notice

Copyright (C) 2006 McAfee, Inc.
The information contained within this advisory is provided for the convenience of McAfee’s customers, and may be 
redistributed provided that no fee is charged for distribution and that the advisory is not modified in any way. McAfee 
makes no representations or warranties regarding the accuracy of the information referenced in this document, or the 
suitability of that information for your purposes.

McAfee, Inc. and McAfee Avert Labs are registered Trademarks of McAfee, Inc. and/or its affiliated companies in the 
United States and/or other Countries.  All other registered and unregistered trademarks in this document are the sole 
property of their respective owners.

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