Microsoft Windows Media Services Remote System Access
Secunia Advisory: SA9115
Release Date: 2003-06-25
Last Update: 2004-03-10
Popularity: 11,838 views

Critical:
Highly critical
Impact: DoS
System access
Where: From remote
Solution Status: Vendor Patch

Software:Microsoft Internet Information Services (IIS) 5.x
Microsoft Windows Media Services 4.x SDK

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CVE reference:CVE-2003-0349


Description:
Microsoft has issued an update for Windows Media Services on Windows 2000 (Internet Information Services 5.0) due to a vulnerability allowing malicious people to gain system access.

The problem is that a buffer overflow exists in the logging facility "nsiislog.dll", which is part of Windows Media Services. It may be exploited by sending a malicious HTTP request.

Only Internet Information Services on Windows 2000 with Windows Media Services enabled is vulnerable (not enabled by default).

Solution:
A patch is available:
http://microsoft.com/downloads/detail...-9E78-F71D9742FED8&displaylang=en

Provided and/or discovered by:
Brett Moore

Changelog:
2004-03-10: Patch re-released to fix install issue.

Original Advisory:
http://www.microsoft.com/technet/security/Bulletin/MS03-022.mspx


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