Microsoft IIS 5.0/5.1 WebDAV Memory denial of service

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Microsoft IIS 5.0/5.1. The impacted element is an unknown function of the component WebDAV. Such manipulation leads to denial of service (Memory). This vulnerability is documented as CVE-2002-1182. The attack can be executed remotely. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft IIS 5.0/5.1 (Web Server). Affected by this issue is an unknown code block of the component WebDAV. The manipulation with an unknown input leads to a denial of service vulnerability (Memory). Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is confidentiality, integrity, and availability. CVE summarizes:

IIS 5.0 and 5.1 allows remote attackers to cause a denial of service (crash) via malformed WebDAV requests that cause a large amount of memory to be assigned.

The issue has been introduced in 02/17/2000. The weakness was released 11/12/2002 by Mark Litchfield with Generation Security Software Ltd. as MS02-062 as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability is handled as CVE-2002-1182. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability was handled as a non-public zero-day exploit for at least 783 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 10943 (MS02-018: Cumulative Patch for Internet Information Services (327696)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 10977 (Microsoft IIS Administrative Pages Cross-Site Scripting Vulnerability (MS02-062)).

Applying the patch MS02-062 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (10590), Tenable (10943), SecurityFocus (BID 6070†) and Vulnerability Center (SBV-1163†). Entries connected to this vulnerability are available at VDB-19133, VDB-19134 and VDB-19135. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Memory
Class: Denial of service / Memory
CWE: CWE-404
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: 10943
Nessus Name: MS02-018: Cumulative Patch for Internet Information Services (327696)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 10943
OpenVAS Name: Cumulative Patch for Internet Information Services (Q327696)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS02-062

Timelineinfo

02/17/2000 🔍
04/10/2002 +783 days 🔍
04/23/2002 +13 days 🔍
10/31/2002 +191 days 🔍
11/12/2002 +12 days 🔍
11/12/2002 +0 days 🔍
11/12/2002 +0 days 🔍
05/14/2003 +183 days 🔍
07/31/2014 +4096 days 🔍
09/07/2025 +4056 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS02-062
Researcher: Mark Litchfield
Organization: Generation Security Software Ltd.
Status: Confirmed

CVE: CVE-2002-1182 (🔍)
GCVE (CVE): GCVE-0-2002-1182
GCVE (VulDB): GCVE-100-19136

OVAL: 🔍

X-Force: 10590
SecurityFocus: 6070 - Microsoft IIS WebDAV Denial Of Service Vulnerability
Vulnerability Center: 1163 - [MS02-062] DoS in Microsoft IIS 5.0/5.1 via Malformed WebDAV Requests, Medium

See also: 🔍

Entryinfo

Created: 07/31/2014 15:06
Updated: 09/07/2025 06:58
Changes: 07/31/2014 15:06 (68), 05/09/2019 20:24 (13), 09/07/2025 06:58 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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