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.
Platforms Affected:
- Microsoft, .NET Framework 2.0
- Microsoft, Windows 2000 SP4
- Microsoft, Windows 2003 Server SP1 Itanium
- Microsoft, Windows 2003 Server SP1
- Microsoft, Windows 2003 Server x64
- Microsoft, Windows 2003 Server Itanium
- Microsoft, Windows XP Professional x64
- Microsoft, Windows XP Media Center
- Microsoft, Windows XP SP2
- Microsoft, Windows XP SP1
- Microsoft, Windows XP Tablet PC
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 The original bulletin issued by Microsoft has been superseded.
Consequences:
Obtain Information
References:
- Microsoft Security Bulletin MS06-033, Vulnerability in ASP.Net Could Lead to Information Disclosure (917283) at http://www.microsoft.com/technet/security/Bulletin/MS06-033.mspx.
- Microsoft Security Bulletin MS07-040, Vulnerabilities in .NET Framework Could Allow Remote Code Execution (931212) at http://www.microsoft.com/technet/security/bulletin/ms07-040.mspx.
- 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)
Reported:
Jul 11, 2006
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