Vulnerabilities in Client Service for NetWare
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
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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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