Microsoft IIS 6.0 ASP Code memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Microsoft IIS 6.0. This vulnerability affects unknown code of the component ASP Code Handler. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2006-0026. The attack requires local access. In addition, an exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in Microsoft IIS 6.0 (Web Server). This vulnerability affects some unknown functionality of the component ASP Code 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 Microsoft Internet Information Services (IIS) 5.0, 5.1, and 6.0 allows local and possibly remote attackers to execute arbitrary code via crafted Active Server Pages (ASP).

The issue has been introduced in 04/24/2003. The weakness was presented 07/11/2006 by Brett Moore with Security-Assessment as MS06-034 as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability was named CVE-2006-0026 since 11/30/2005. The attack needs to be approached locally. A single authentication is required for exploitation. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1174 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 22028 (MS06-034: Vulnerability in Microsoft IIS using ASP Could Allow Remote Code Execution (917537)), 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 90328 (Microsoft Internet Information Services Remote Code Execution Vulnerability (MS06-034)).

Applying the patch MS06-034 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 12595. In this case the pattern Content-Disposition|3A| form-data is used for detection. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4532.

The vulnerability is also documented in the databases at X-Force (26796), Exploit-DB (2056), Tenable (22028), SecurityFocus (BID 18858†) and OSVDB (27152†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

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

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Nessus ID: 22028
Nessus Name: MS06-034: Vulnerability in Microsoft IIS using ASP Could Allow Remote Code Execution (917537)
Nessus File: 🔍
Nessus Risk: 🔍
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Nessus Context: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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Patch: MS06-034

Snort ID: 12595
Snort Message: WEB-IIS malicious ASP file upload attempt
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TippingPoint: 🔍

McAfee IPS: 🔍
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ISS Proventia IPS: 🔍
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Timelineinfo

04/24/2003 🔍
11/30/2005 +951 days 🔍
07/11/2006 +223 days 🔍
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07/11/2006 +0 days 🔍
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07/12/2006 +0 days 🔍
07/17/2006 +5 days 🔍
06/25/2025 +6918 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS06-034
Researcher: Brett Moore
Organization: Security-Assessment
Status: Confirmed

CVE: CVE-2006-0026 (🔍)
GCVE (CVE): GCVE-0-2006-0026
GCVE (VulDB): GCVE-100-2368

OVAL: 🔍

CERT: 🔍
X-Force: 26796 - Microsoft Internet Information Services (IIS) ASP buffer overflow, High Risk
SecurityFocus: 18858 - Microsoft IIS ASP Remote Code Execution Vulnerability
Secunia: 21006 - Microsoft Internet Information Services ASP Code Buffer Overflow, Moderately Critical
OSVDB: 27152 - Microsoft Windows IIS ASP Page Processing Overflow
SecurityTracker: 1016466 - Microsoft Internet Information Server (IIS) Buffer Overflow in Processing ASP Pages Lets Remote Authenticated Users Execute Arbitrary Code
Vulnerability Center: 12221 - [MS06-034] Microsoft Internet Information Services (IIS) Buffer Overflow via crafted ASP, Medium
Vupen: ADV-2006-2752

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

Entryinfo

Created: 07/17/2006 12:50
Updated: 06/25/2025 03:15
Changes: 07/17/2006 12:50 (96), 06/07/2017 14:55 (15), 03/13/2021 09:35 (3), 01/24/2025 17:31 (15), 06/25/2025 03:15 (2)
Complete: 🔍
Cache ID: 216:762:103

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

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