HTTP: Chunked POST Request to nsiislog.dll

This signature detects chunked POST requests to NSIISLOG.DLL. Attackers can exploit Windows Media Services that have logging enabled by sending a specially crafted network request, which can result in a denial of service or the execution of arbitrary code.

Extended Description

Microsoft has reported a denial of service vulnerability in Windows Media Services. This is due to a problem with how the logging ISAPI extension handles incoming client requests. This could cause a denial of service in IIS, which is exploitable through Media Services. **The vendor has confirmed that this vulnerability could be exploited to execute arbitrary code.

Affected Products

Microsoft windows_nt_terminal_server

Short Name
HTTP:IIS:NSIISLOG-CHUNKED-POST
Severity
Major
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
CVE-2003-0227 CVE-2003-0349 Chunked POST Request bid:7727 bid:8035 nsiislog.dll to
Release Date
10/16/2003
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3336
False Positive
Unknown
Vendors

Microsoft

CVSS Score

7.5

5.0

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