Internet Information Server (IIS) 4 Security Patch 4.2.739.1: Chunked Encoding Post Vulnerability
Brief Description
A repetitive attack using a specially malformed request may cause Internet Information Server (IIS) to use a large amount of memory, and eventually cause the service to fail. This problem can occur when the client uses the Transfer-Encoding: chunked header in its request.
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Quick Details
| Version: | 4.2.739.1 |
| Date Published: | 3/20/2000 |
| Language: | English |
| Download Size: | 251 KB - 1.4 MB* |
| *Download size depends on selected download components. |
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Overview
A repetitive attack using a specially malformed request may cause Internet Information Server (IIS) to use a large amount of memory, and eventually cause the service to fail. This problem can occur when the client uses the Transfer-Encoding: chunked header in its request. 
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System Requirements
- Supported Operating Systems: Windows NT
- Microsoft Internet Information Server version 4.0 Top of page
Instructions
- Click Chkenc4i.exe and then click "Run this program from its current location" to install the software update immediately.
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- Click filename and then click "Save this program to disk" to copy the download to your computer for installation at a later time. Double-click the file you saved to disk to install the software update.
NOTE: Debug symbol files are required by an administrator to do both kernel and user mode debugging, providing a method to resolve global variables and function names in the loaded executable file. Click the file name below to download the symbol files:
Chkenc4is.exe
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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.
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