Microsoft Windows NT 4.0/2000 Media Services nsiislog.dll memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Microsoft Windows NT 4.0/2000 and classified as critical. This vulnerability affects unknown code in the library nsiislog.dll of the component Media Services. This manipulation causes memory corruption. This vulnerability is registered as CVE-2003-0227. Furthermore, an exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Windows NT 4.0/2000 (Operating System). Affected by this vulnerability is an unknown part in the library nsiislog.dll of the component Media Services. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The logging capability for unicast and multicast transmissions in the ISAPI extension for Microsoft Windows Media Services in Microsoft Windows NT 4.0 and 2000, nsiislog.dll, allows remote attackers to cause a denial of service in Internet Information Server (IIS) and execute arbitrary code via a certain network request.

The bug was discovered 05/28/2003. The weakness was published 05/28/2003 by Brett Moore as MS03-019 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. This vulnerability is known as CVE-2003-0227 since 04/30/2003. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 11664 (Microsoft Media Services ISAPI nsiislog.dll Multiple Overflows), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86531 (Microsoft ISAPI Extension for Windows Media Services Buffer Overflow Vulnerability (MS03-019)).

Applying the patch MS03-019 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. Attack attempts may be identified with Snort ID 2129. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 2029.

The vulnerability is also documented in the databases at X-Force (12128), Exploit-DB (56), Tenable (11664), SecurityFocus (BID 7727†) and OSVDB (2106†). Similar entries are available at VDB-82 and VDB-124. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 11664
Nessus Name: Microsoft Media Services ISAPI nsiislog.dll Multiple Overflows
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802888
OpenVAS Name: Microsoft Windows Media Services ISAPI Extension Code Execution Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Patch: MS03-019

Snort ID: 2129
Snort Message: SERVER-IIS nsiislog.dll access
Snort Class: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍

Timelineinfo

04/30/2003 🔍
05/28/2003 +28 days 🔍
05/28/2003 +0 days 🔍
05/28/2003 +0 days 🔍
05/28/2003 +0 days 🔍
05/28/2003 +0 days 🔍
05/28/2003 +0 days 🔍
06/09/2003 +12 days 🔍
07/28/2003 +49 days 🔍
10/16/2003 +79 days 🔍
08/11/2014 +3952 days 🔍
08/22/2025 +4029 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS03-019
Researcher: Brett Moore
Status: Confirmed

CVE: CVE-2003-0227 (🔍)
GCVE (CVE): GCVE-0-2003-0227
GCVE (VulDB): GCVE-100-20485

OVAL: 🔍

X-Force: 12128
SecurityFocus: 7727 - Microsoft Windows Media Services Logging ISAPI Buffer Overflow Vulnerability
OSVDB: 2106 - Microsoft Media Services ISAPI nsiislog.dll Overflow
Vulnerability Center: 2484 - [MS03-019] DOS and Host privileges on IIS through Windows Media Services, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/12/2014 00:46
Updated: 08/22/2025 18:02
Changes: 08/12/2014 00:46 (89), 05/15/2019 20:59 (7), 03/27/2025 11:07 (16), 08/22/2025 18:02 (2)
Complete: 🔍
Cache ID: 216:F3E:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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