Microsoft Windows NT 4.0 Networking Mutex DoS Vulnerability

Bugtraq ID:	2303
Class:	Failure to Handle Exceptional Conditions
CVE:
Remote:	No
Local:	Yes
Published:	Jan 24 2001 12:00AM
Updated:	Jan 24 2001 12:00AM
Credit:	Discovered by Arne Vidstrom and posted in a Microsoft Security Bulletin (MS01-003) on Jan 24, 2001
Vulnerable:	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 NT Terminal Server 4.0 SP6 Microsoft Windows NT Terminal Server 4.0 SP5 Microsoft Windows NT Terminal Server 4.0 SP4 Microsoft Windows NT Terminal Server 4.0 SP3 Microsoft Windows NT Terminal Server 4.0 SP2 Microsoft Windows NT Terminal Server 4.0 SP1 Microsoft Windows NT Terminal Server 4.0 Microsoft Windows NT Server 4.0 SP6a + Avaya DefinityOne Media Servers + Avaya DefinityOne Media Servers + Avaya IP600 Media Servers + Avaya IP600 Media Servers + Avaya S3400 Message Application Server 0 + Avaya S8100 Media Servers 0 + Avaya S8100 Media Servers 0 Microsoft Windows NT Server 4.0 SP6 Microsoft Windows NT Server 4.0 SP5 Microsoft Windows NT Server 4.0 SP4 Microsoft Windows NT Server 4.0 SP3 Microsoft Windows NT Server 4.0 SP2 Microsoft Windows NT Server 4.0 SP1 Microsoft Windows NT Server 4.0 Microsoft Windows NT Enterprise Server 4.0 SP6a Microsoft Windows NT Enterprise Server 4.0 SP6 Microsoft Windows NT Enterprise Server 4.0 SP5 Microsoft Windows NT Enterprise Server 4.0 SP4 Microsoft Windows NT Enterprise Server 4.0 SP3 Microsoft Windows NT Enterprise Server 4.0 SP2 Microsoft Windows NT Enterprise Server 4.0 SP1 Microsoft Windows NT Enterprise Server 4.0
Not Vulnerable:

Microsoft Windows NT 4.0 Networking Mutex DoS Vulnerability

Microsoft Windows NT 4.0 is subject to a denial of service due to the implementation of incorrect permissions in a Mutex object. A local user could gain control of the Mutex on a networked machine and deny all network communication.

Microsoft Windows NT 4.0 Networking Mutex DoS Vulnerability

The following exploit has been provided by Arne Vidstrom <[email protected]>

• /data/vulnerabilities/exploits/mutation.c

Microsoft Windows NT 4.0 Networking Mutex DoS Vulnerability

Solution:
Microsoft has release a patch which addresses this issue:


Microsoft Windows NT Terminal Server 4.0

• Microsoft Q279336
  http://download.microsoft.com/download/winntsp/Patch/q279336/NT4/EN-US /Q279336i.EXE

Microsoft Windows NT Workstation 4.0 SP6a

• Microsoft Q279336
  http://download.microsoft.com/download/winntsp/Patch/q279336/NT4/EN-US /Q279336i.EXE

Microsoft Windows NT Terminal Server 4.0 SP6

• Microsoft Q279336
  http://www.microsoft.com/ntserver/terminalserver/downloads/critical/q2 79336/default.asp

Microsoft Windows NT Enterprise Server 4.0 SP6a

• Microsoft Q279336
  http://download.microsoft.com/download/winntsp/Patch/q279336/NT4/EN-US /Q279336i.EXE

Microsoft Windows NT Server 4.0 SP6a

• Microsoft Q279336
  http://download.microsoft.com/download/winntsp/Patch/q279336/NT4/EN-US /Q279336i.EXE

Microsoft Windows NT 4.0 Networking Mutex DoS Vulnerability

References:

• Microsoft Security Bulletin (MS01-003) (Microsoft)
  
• Microsoft Security Bulletin (MS01-003): Frequently Asked Questions (Microsoft)