Vulnerabilities in Client Service for NetWare

[<David_Marcus () McAfee com>]

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

Vulnerabilities in Client Service for NetWare

CVE-2006-4688, CVE-2006-4689
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*       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. 
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*       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

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*       Vulnerability Information

CVE-2006-4688

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.

CVE-2006-4689

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
requests. 
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*       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. 
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*       Credits

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

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*       Legal Notice

Copyright (C) 2006 McAfee, Inc.
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Best regards,

Dave Marcus, B.A., CCNA, MCSE
Security Research and Communications Manager
McAfee(r) Avert(r) Labs
(443) 321-3771 Office
(443) 668-0048 Mobile
McAfee Threat Center
<http://www.mcafee.com/us/threat_center/default.asp> 
McAfee Avert Labs Research Blog <http://www.avertlabs.com/research/blog>



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