Microsoft ASP.NET Framework App_Code folder information disclosure
| ms-aspnet-appcode-information-disclosure (26802) |  Medium Risk |
Description:
Multiple could allow a remote attacker to obtain sensitive information, caused by improper validation of URLs by the ASP.NET component. A remote attacker could exploit this vulnerability by sending a specially-crafted URL request to an affected Web server to access any known object in the App_Code folder directly.
*CVSS:
| Base Score: | 3.5 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Partial |
| Integrity Impact: | None |
| Availability Impact: | None |
| Temporal Score: | 2.6 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Obtain Information
Remedy:
Apply the appropriate patch for your system, as listed in the latest Microsoft Security Bulletin. See References.
— OR —
Use Microsoft Automatic Update if it is supported by your operating system. The original bulletin issued by Microsoft has been superseded.
References:
- Microsoft Security Bulletin MS06-033: Vulnerability in ASP.Net Could Lead to Information Disclosure (917283).
- Microsoft Security Bulletin MS07-040: Vulnerabilities in .NET Framework Could Allow Remote Code Execution (931212).
- Microsoft Security Bulletin MS09-061: Vulnerabilities in the Microsoft .NET Common Language Runtime Could Allow Remote Code Execution (974378).
- Microsoft Security Bulletin MS10-041: Vulnerabilities in the Microsoft .NET Framework Could Allow Tampering (981343).
- Microsoft Security Bulletin MS10-060: Vulnerabilities in the Microsoft .NET Common Language Runtime and in Microsoft Silverlight Could Allow Remote Code Execution (2265906).
- Microsoft Security Bulletin MS11-044: Vulnerability in .NET Framework Could Allow Remote Code Execution (2538814).
- Microsoft Security Bulletin MS11-078: Vulnerability in .NET Framework and Microsoft Silverlight Could Allow Remote Code Execution (2604930).
- Microsoft Security Bulletin MS11-078: Vulnerability in .NET Framework and Microsoft Silverlight Could Allow Remote Code Execution (2604930).
- ASA-2006-135: Windows Security Updates for July 2006 - (MS06-033 - MS06-039)
- BID-18920: Microsoft ASP.NET Application Folder Information Disclosure Vulnerability
- CVE-2006-1300: 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.
- OSVDB ID: 27153: Microsoft .NET Framework Crafted Request Access Restriction Bypass
- SA20999: Microsoft ASP.NET URL Validation Security Bypass
- SECTRACK ID: 1016465: ASP.Net May Disclose Objects in the Application Folder to Remote Users
- VUPEN/ADV-2006-2751: Microsoft .NET Application Folder Information Disclosure Vulnerability (MS06-033)
Platforms Affected:
- Microsoft .NET Framework 2.0
- Microsoft Windows 2000 SP4
- Microsoft Windows 2003 Server SP1
- Microsoft Windows 2003 Server Itanium
- Microsoft Windows 2003 Server x64
- Microsoft Windows 2003 Server SP1 Itanium
- Microsoft Windows XP Media Center
- Microsoft Windows XP Tablet PC
- Microsoft Windows XP SP2
- Microsoft Windows XP SP1
- Microsoft Windows XP x64 Professional
Reported:
Jul 11, 2006
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For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.