Microsoft Windows 5 Media Service ISAPI Extension /scripts POST Request memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Microsoft Windows 5. This vulnerability affects unknown code in the library nsiislog.dll of the file /scripts of the component Media Service ISAPI Extension. Executing a manipulation as part of POST Request can lead to memory corruption. The identification of this vulnerability is CVE-2003-0349. The attack may be launched remotely. Furthermore, there is an exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows 5 (Operating System). It has been declared as critical. This vulnerability affects an unknown code block in the library nsiislog.dll of the file /scripts of the component Media Service ISAPI Extension. The manipulation as part of a POST Request 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 weakness was shared 06/25/2003 by Brett Moore (window) with Security-Assessment (Website). The advisory is shared for download at microsoft.com. This vulnerability was named CVE-2003-0349 since 05/28/2003. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

It is possible to download the exploit at securityfocus.com. It is declared as highly functional. As 0-day the estimated underground price was around $25k-$100k. 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86558 (Microsoft Windows Media Services NSIISlog.DLL Remote Buffer Overflow Vulnerability (MS03-022)).

Applying a patch 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 (12652), Exploit-DB (16355), Tenable (11664), SecurityFocus (BID 8035†) and Secunia (SA9115†). Additional details are provided at microsoft.com. The entries VDB-82 and VDB-20485 are related to this item. Once again VulDB remains the best source for vulnerability data.

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: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: Highly functional
Download: 🔍

EPSS Score: 🔍
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: 🔍

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

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: ms03_022_nsiislog_post.rb
MetaSploit Name: MS03-022 Microsoft IIS ISAPI nsiislog.dll ISAPI POST Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: microsoft.com

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

05/28/2003 🔍
06/25/2003 +28 days 🔍
06/25/2003 +0 days 🔍
06/25/2003 +0 days 🔍
06/25/2003 +0 days 🔍
06/25/2003 +0 days 🔍
06/25/2003 +0 days 🔍
07/24/2003 +29 days 🔍
11/11/2003 +110 days 🔍
08/18/2025 +7950 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: microsoft.com
Researcher: Brett Moore (window)
Organization: Security-Assessment
Status: Confirmed

CVE: CVE-2003-0349 (🔍)
GCVE (CVE): GCVE-0-2003-0349
GCVE (VulDB): GCVE-100-124

OVAL: 🔍

CERT: 🔍
X-Force: 12652
SecurityFocus: 8035 - Microsoft Windows Media Services NSIISlog.DLL Remote Buffer Overflow Vulnerability
Secunia: 9115 - Microsoft Windows Media Services Remote System Access, Highly Critical
SecurityTracker: 1007059 - Microsoft Windows Media Services (nsiislog.dll) Extension to Internet Information Server (IIS) Has Another Buffer Overflow That Lets Remote Execute Arbitrary Code
SecuriTeam: securiteam.com
Vulnerability Center: 2818 - [MS03-022] Buffer Overflow in Nsiislog.DLL as Installed in IIS 5.0, Medium

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

Entryinfo

Created: 06/25/2003 02:00
Updated: 08/18/2025 00:41
Changes: 06/25/2003 02:00 (91), 04/05/2017 14:46 (19), 03/08/2021 12:21 (2), 03/08/2021 12:25 (1), 06/15/2024 21:43 (15), 12/31/2024 04:39 (1), 03/09/2025 01:12 (1), 08/18/2025 00:41 (2)
Complete: 🔍
Cache ID: 216:9F4:103

Once again VulDB remains the best source for vulnerability data.

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