NT Predictable TCP Sequence Number Vulnerability

BID:604

Info

NT Predictable TCP Sequence Number Vulnerability

Bugtraq ID: 604
Class: Unknown
CVE:
Remote: Yes
Local: No
Published: Aug 24 1999 12:00AM
Updated: Aug 24 1999 12:00AM
Credit: Vulnerability discovered by Roy Hill of NTA Monitor on August 4, 1999 and posted to Bugtraq on August 25, 1999.
Vulnerable: Microsoft Windows NT 4.0 SP5
+ Microsoft Windows NT Enterprise Server 4.0 SP5
+ Microsoft Windows NT Enterprise Server 4.0 SP5
+ Microsoft Windows NT Server 4.0 SP5
+ Microsoft Windows NT Server 4.0 SP5
+ Microsoft Windows NT Terminal Server 4.0 SP5
+ Microsoft Windows NT Terminal Server 4.0 SP5
+ Microsoft Windows NT Workstation 4.0 SP5
+ Microsoft Windows NT Workstation 4.0 SP5
Microsoft Windows NT 4.0 SP4
+ Microsoft Windows NT Enterprise Server 4.0 SP4
+ Microsoft Windows NT Enterprise Server 4.0 SP4
+ Microsoft Windows NT Server 4.0 SP4
+ Microsoft Windows NT Server 4.0 SP4
+ Microsoft Windows NT Terminal Server 4.0 SP4
+ Microsoft Windows NT Terminal Server 4.0 SP4
+ Microsoft Windows NT Workstation 4.0 SP4
+ Microsoft Windows NT Workstation 4.0 SP4
Microsoft Windows NT 4.0 SP3
+ Microsoft Windows NT Enterprise Server 4.0 SP3
+ Microsoft Windows NT Enterprise Server 4.0 SP3
+ Microsoft Windows NT Server 4.0 SP3
+ Microsoft Windows NT Server 4.0 SP3
+ Microsoft Windows NT Terminal Server 4.0 SP3
+ Microsoft Windows NT Terminal Server 4.0 SP3
+ Microsoft Windows NT Workstation 4.0 SP3
+ Microsoft Windows NT Workstation 4.0 SP3
Microsoft Windows NT 4.0 SP2
+ Microsoft Windows NT Enterprise Server 4.0 SP2
+ Microsoft Windows NT Enterprise Server 4.0 SP2
+ Microsoft Windows NT Server 4.0 SP2
+ Microsoft Windows NT Server 4.0 SP2
+ Microsoft Windows NT Terminal Server 4.0 SP2
+ Microsoft Windows NT Terminal Server 4.0 SP2
+ Microsoft Windows NT Workstation 4.0 SP2
+ Microsoft Windows NT Workstation 4.0 SP2
Microsoft Windows NT 4.0 SP1
+ Microsoft Windows NT Enterprise Server 4.0 SP1
+ Microsoft Windows NT Enterprise Server 4.0 SP1
+ Microsoft Windows NT Server 4.0 SP1
+ Microsoft Windows NT Server 4.0 SP1
+ Microsoft Windows NT Terminal Server 4.0 SP1
+ Microsoft Windows NT Terminal Server 4.0 SP1
+ Microsoft Windows NT Workstation 4.0 SP1
+ Microsoft Windows NT Workstation 4.0 SP1
Microsoft Windows NT 4.0
+ Microsoft Windows NT Enterprise Server 4.0
+ Microsoft Windows NT Enterprise Server 4.0
+ Microsoft Windows NT Server 4.0
+ Microsoft Windows NT Server 4.0
+ Microsoft Windows NT Terminal Server 4.0
+ Microsoft Windows NT Terminal Server 4.0
+ Microsoft Windows NT Workstation 4.0
+ Microsoft Windows NT Workstation 4.0
Not Vulnerable:

Exploit / POC

NT Predictable TCP Sequence Number Vulnerability

see discussion

Solution / Fix

NT Predictable TCP Sequence Number Vulnerability

Solution:
Microsoft has released a patch for this issue. It is available at:
SP4 or SP5
http://www.microsoft.com/Downloads/Release.asp?ReleaseID=16763
SP6
http://www.microsoft.com/Downloads/Release.asp?ReleaseID=16764

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