Microsoft IIS 4.0 Chunked Transfer Encoding POST/PUT Request memory corruption

CVSS Meta Temp Score
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A vulnerability classified as critical was found in Microsoft IIS 4.0 (Web Server). This vulnerability affects an unknown function of the component Chunked Transfer Encoding Handler. The manipulation as part of a POST/PUT 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. CVE summarizes:

IIS 4.0 allows attackers to cause a denial of service by requesting a large buffer in a POST or PUT command which consumes memory, aka the "Chunked Transfer Encoding Buffer Overflow Vulnerability."

The weakness was published 03/20/2000 with Microsoft as MS00-018 as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability was named CVE-2000-0226. 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 10937 (Microsoft IIS Multiple Remote DoS (MS02-018 / Q319733)), 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.

Applying the patch MS00-018 is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the databases at X-Force (4117) and Tenable (10937). Similar entry is available at 18068.

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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CVSSv2info

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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 10937
Nessus Name: Microsoft IIS Multiple Remote DoS (MS02-018 / Q319733)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS00-018
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Timelineinfo

03/20/2000 🔍
03/20/2000 +0 days 🔍
03/20/2000 +0 days 🔍
03/20/2000 +0 days 🔍
04/11/2002 +752 days 🔍
02/02/2003 +297 days 🔍
06/23/2014 +4159 days 🔍
10/08/2020 +2299 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS00-018
Researcher: Discovered by Petteri Stenius, publicized in Microsoft Security Bulletin (MS00-018) released on March 20, 2000.
Organization: Microsoft
Status: Confirmed

CVE: CVE-2000-0226 (🔍)
X-Force: 4117
Vulnerability Center: 776 - [MS00-018] Buffer Overflow in Microsoft IIS 4.0 Chunked Transfer Encoding, High
SecurityFocus: 1066 - Microsoft IIS 4.0 Chunked Transfer Encoding Buffer Overflow Vulnerability

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Entryinfo

Created: 06/24/2014 00:40
Updated: 10/08/2020 15:05
Changes: 06/24/2014 00:40 (74), 10/08/2020 15:05 (1)
Complete: 🔍

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