Microsoft Web Client Extender NTLM Authentication Vulnerability

BID:2199

Info

Microsoft Web Client Extender NTLM Authentication Vulnerability

Bugtraq ID: 2199
Class: Design Error
CVE:
Remote: Yes
Local: Yes
Published: Jan 11 2001 12:00AM
Updated: Jan 11 2001 12:00AM
Credit: Discovered by David Litchfield of @Stake and publicized in a Microsoft Security Bulletin (MS01-001) on January 11, 2001.
Vulnerable: Microsoft Windows ME
Microsoft Windows 2000 Server
+ Avaya DefinityOne Media Servers
+ Avaya IP600 Media Servers
+ Avaya S3400 Message Application Server 0
 + Avaya S8100 Media Servers 0
 Microsoft Windows 2000 Professional
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Advanced Server
Microsoft Office 2000
- Microsoft Windows 2000 Professional SP2
 - Microsoft Windows 2000 Professional SP1
 - Microsoft Windows 2000 Professional
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows ME
- Microsoft Windows NT Workstation 4.0 SP6a
 - Microsoft Windows NT Workstation 4.0 SP6
 - Microsoft Windows NT Workstation 4.0 SP5
 - Microsoft Windows NT Workstation 4.0 SP4
 - Microsoft Windows NT Workstation 4.0 SP3
 - Microsoft Windows NT Workstation 4.0 SP2
 - Microsoft Windows NT Workstation 4.0 SP1
 - Microsoft Windows NT Workstation 4.0
 - Microsoft Windows XP Home
- Microsoft Windows XP Professional
Not Vulnerable:

Exploit / POC

Microsoft Web Client Extender NTLM Authentication Vulnerability

Currently the SecurityFocus staff are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected].

Solution / Fix

Microsoft Web Client Extender NTLM Authentication Vulnerability

Solution:
Microsoft has released the following patches which eliminate this vulnerability:


Microsoft Windows 2000 Professional

Microsoft Windows ME

Microsoft Windows 2000 Advanced Server

Microsoft Office 2000

Microsoft Windows 2000 Server
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