Microsoft IIS 4.0/5.0/5.1 HTTP Header 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, which was classified as critical, was found in Microsoft IIS 4.0/5.0/5.1. This vulnerability affects unknown code of the component HTTP Header Handler. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2002-0150. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Microsoft IIS 4.0/5.0/5.1 (Web Server) and classified as critical. This vulnerability affects some unknown functionality of the component HTTP Header Handler. 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. CVE summarizes:

Buffer overflow in Internet Information Server (IIS) 4.0, 5.0, and 5.1 allows remote attackers to spoof the safety check for HTTP headers and cause a denial of service or execute arbitrary code via HTTP header field values.

The bug was discovered 04/10/2002. The weakness was released 04/10/2002 as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability was named CVE-2002-0150. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 10936 (Microsoft IIS Multiple Vulnerabilities (MS02-018)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 10572 (Microsoft IIS HTTP Header Field Delimiter Buffer Overflow Vulnerability (MS02-018)).

Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 1802.

The vulnerability is also documented in the databases at X-Force (8797), Tenable (10936), SecurityFocus (BID 4476†), OSVDB (3316†) and Vulnerability Center (SBV-1189†). Entries connected to this vulnerability are available at VDB-85, VDB-18070 and VDB-18074. 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

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10936
Nessus Name: Microsoft IIS Multiple Vulnerabilities (MS02-018)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 10936
OpenVAS Name: IIS XSS via 404 error
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Snort ID: 1802
Snort Message: SERVER-IIS .asa HTTP header buffer overflow attempt
Snort Class: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

04/10/2002 🔍
04/10/2002 +0 days 🔍
04/10/2002 +0 days 🔍
04/11/2002 +1 days 🔍
04/22/2002 +11 days 🔍
04/22/2002 +0 days 🔍
06/05/2003 +409 days 🔍
01/05/2004 +214 days 🔍
07/11/2014 +3839 days 🔍
09/22/2025 +4091 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: kb.cert.org
Status: Confirmed

CVE: CVE-2002-0150 (🔍)
GCVE (CVE): GCVE-0-2002-0150
GCVE (VulDB): GCVE-100-18076

OVAL: 🔍

CERT: 🔍
X-Force: 8797
SecurityFocus: 4476 - Microsoft IIS HTTP Header Field Delimiter Buffer Overflow Vulnerability
OSVDB: 3316 - Microsoft IIS HTTP Header Field Delimiter Overflow
Vulnerability Center: 1189 - [MS02-018] Microsoft IIS Buffer Overflow in HTTP Header Handling, High

See also: 🔍

Entryinfo

Created: 07/11/2014 13:51
Updated: 09/22/2025 13:34
Changes: 07/11/2014 13:51 (81), 05/09/2019 21:41 (2), 01/21/2025 07:48 (17), 09/22/2025 13:34 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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