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Windows NT 4.0 Service Pack 6 (SP6) Security Patch: Predictable TCP Initial Sequence Number Vulnerability

Brief Description
Microsoft has released a patch that significantly improves the randomness of the TCP initial sequence numbers (ISNs) generated by the TCP/IP stack in Microsoft® Windows NT® 4.0. Improving the randomness of ISNs eliminates a class of potential attacks against Windows NT 4.0 systems.

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Quick Details
Version:TCP-SP6
Knowledge Base (KB) Articles:KB243835
Date Published:12/14/1999
Language:English
Download Size:337 KB - 672
*Download size depends on selected download components.

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Overview

Microsoft has released a patch that significantly improves the randomness of the TCP initial sequence numbers (ISNs) generated by the TCP/IP stack in Microsoft® Windows NT® 4.0. Improving the randomness of ISNs eliminates a class of potential attacks against Windows NT 4.0 systems.

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System Requirements

  • Supported Operating Systems: Windows NT
Windows NT 4.0 Service Pack 6
- DEC Alpha for q243835a.exe
- Intel for q243835i.exe

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Instructions

- Select "Run this Program from its Current Location" to start the install immediately.
- Select "Save this Program to Disk" to copy the download to your machine for installation at a later time.

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Files in This Download

The links in this section correspond to separate files available in this download. Download the files most appropriate for you.
File Name:File Size

q243835a.exe

337 KB

q243835i.exe

336 KB

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