Microsoft NET Framework up to 2.0 URL Validator information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft NET Framework up to 2.0. It has been classified as problematic. The affected element is an unknown function of the component URL Validator. This manipulation causes information disclosure. This vulnerability is handled as CVE-2006-1300. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in Microsoft NET Framework up to 2.0 and classified as problematic. Affected by this vulnerability is an unknown code block of the component URL Validator. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

Microsoft .NET framework 2.0 (ASP.NET) in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 up to SP1 allows remote attackers to bypass access restrictions via unspecified "URL paths" that can access Application Folder objects "explicitly by name."

The bug was discovered 07/11/2006. The weakness was released 07/11/2006 by Urs Eichmann with PRISMA Informatik as MS06-033 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is known as CVE-2006-1300 since 03/20/2006. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 22027 (MS06-033: Vulnerabilities in ASP.NET could allow information disclosure (917283)), 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 90330 (ASP.NET Could Allow Information Disclosure (MS06-033)).

Applying the patch MS06-033 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 16048. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4533.

The vulnerability is also documented in the databases at X-Force (26802), Tenable (22027), SecurityFocus (BID 18920†), OSVDB (27153†) and Secunia (SA20999†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22027
Nessus Name: MS06-033: Vulnerabilities in ASP.NET could allow information disclosure (917283)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 101009
OpenVAS Name: Microsoft Security Bulletin MS06-033
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS06-033

Snort ID: 16048
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

03/20/2006 🔍
07/11/2006 +113 days 🔍
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07/12/2006 +0 days 🔍
07/17/2006 +5 days 🔍
06/22/2025 +6915 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS06-033
Researcher: Urs Eichmann
Organization: PRISMA Informatik
Status: Confirmed

CVE: CVE-2006-1300 (🔍)
GCVE (CVE): GCVE-0-2006-1300
GCVE (VulDB): GCVE-100-2371

OVAL: 🔍

X-Force: 26802 - Microsoft ASP.NET Framework App_Code folder information disclosure, Medium Risk
SecurityFocus: 18920 - Microsoft ASP.NET Application Folder Information Disclosure Vulnerability
Secunia: 20999 - Microsoft ASP.NET URL Validation Security Bypass, Moderately Critical
OSVDB: 27153 - Microsoft .NET Framework Crafted Request Access Restriction Bypass
SecurityTracker: 1016465
Vulnerability Center: 12220 - [MS06-033] Microsoft ASP .NET Framework Access Bypass via URL Paths, Medium
Vupen: ADV-2006-2751

Entryinfo

Created: 07/17/2006 13:02
Updated: 06/22/2025 20:50
Changes: 07/17/2006 13:02 (102), 09/05/2019 13:34 (2), 06/22/2025 20:50 (17)
Complete: 🔍
Cache ID: 216:236:103

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