MS10-070: Vulnerability in ASP.NET could allow information disclosure

Applies To
.NET Framework 3.5 Service Pack 1 Windows 7 Enterprise Windows 7 Home Basic Windows 7 Home Premium Windows 7 Professional Windows 7 Ultimate Windows Server 2008 R2 Standard Windows Server 2008 R2 Enterprise Windows Server 2008 R2 Datacenter Windows Server 2008 Service Pack 2 Windows Server 2008 for Itanium-Based Systems Windows Server 2008 Datacenter Windows Server 2008 Enterprise Windows Server 2008 Standard Windows Server 2008 Web Edition Windows Server 2008 for Itanium-Based Systems Windows Server 2008 Datacenter Windows Server 2008 Enterprise Windows Server 2008 Standard Windows Server 2008 Web Edition Windows Vista Service Pack 2 Windows Vista Business Windows Vista Enterprise Windows Vista Home Basic Windows Vista Home Premium Windows Vista Starter Windows Vista Ultimate Windows Vista Enterprise 64-bit Edition Windows Vista Home Basic 64-bit Edition Windows Vista Home Premium 64-bit Edition Windows Vista Ultimate 64-bit Edition Windows Vista Business 64-bit Edition Windows Vista Business Windows Vista Enterprise Windows Vista Home Basic Windows Vista Home Premium Windows Vista Starter Windows Vista Ultimate Windows Vista Enterprise 64-bit Edition Windows Vista Home Basic 64-bit Edition Windows Vista Home Premium 64-bit Edition Windows Vista Ultimate 64-bit Edition Windows Vista Business 64-bit Edition Microsoft Windows Server 2003 Service Pack 2 Microsoft Windows XP Professional x64 Edition Microsoft Windows XP Service Pack 3 Microsoft Windows XP Home Edition Microsoft Windows XP Professional

INTRODUCTION

Microsoft has released security bulletin MS10-070. To view the complete security bulletin, visit one of the following Microsoft websites:

How to obtain help and support for this security update

Help installing updates:
Support for Microsoft Update

Security solutions for IT professionals:
TechNet Security Troubleshooting and Support

Help protect your computer that is running Windows from viruses and malware:
Virus Solution and Security Center

Local support according to your country/region:
International Support

More Information

For more information about how to configure legacy encryption mode in ASP.NET, click the following article number to view the article in the Microsoft Knowledge Base:

2425938 How to configure legacy encryption mode in ASP.NET

Known issues and additional information about this security update

The following articles contain additional information about this security update as it relates to individual product versions. The articles may contain known issue information.

2416447
MS10-070: Description of the security update for the Microsoft .NET Framework 1.1 Service Pack 1 on Windows XP, Windows Server 2003 (64-bit), Windows Vista, and Windows Server 2008

  • For more information about installation issues with this security update or with the Microsoft .NET Framework 1.1 Service Pack 1, click the following article numbers to view the articles in the Microsoft Knowledge Base:

    [2433751](/kb/2433751compatibility issue between .NET Framework 1.1 and .NET Framework 2.0 SP2 ASP.NET applications after you apply the security update from security bulletin MS10-070
    [2431208](/kb/2431208 [923100](/kb/923100ows Installer error code "1603"
    938244 The file version is rolled back to the version that was installed by the last service pack when you remove an update for the .NET Framework 1.0, the .NET Framework 1.1, Visual Studio .NET 2002 or Visual Studio .NET 2003
    2197103 A known issue when you try to install an update on a computer that does not have the Microsoft .NET Framework 1.1 Service Pack 1 installed
    [923101](/kb/923101on: "Error 1324. The folder 'Program Files' contains an invalid character"
    [2260913](/kb/2260913 [2263996](/kb/2263996

2416473
MS10-070: Description of the security update for the Microsoft .NET Framework 3.5 Service Pack 1 on Windows XP, Windows Server 2003, Windows Vista, and Windows Server 2008

  • For more information about installation issues with this security update or with the Microsoft .NET Framework 3.5 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base:

    [2431806](/kb/2431806 Service Pack 2, the .NET Framework 3.0 Service Pack 2, or the .NET Framework 3.5 Service Pack 1 may not correctly update files even when installation of the update succeeds
    [2431208](/kb/2431208 [923100](/kb/923100ows Installer error code "1603"
    [923101](/kb/923101on: "Error 1324. The folder 'Program Files' contains an invalid character"
    [2197146](/kb/2197146 Service Pack 1 and the .NET Framework 2.0 Service Pack 2 may cause the Microsoft Knowledge Base article number to appear instead of the full title of the update in the Add or Remove Programs item in Control Panel
    [2260913](/kb/2260913 [2263996](/kb/2263996 [2260913](/kb/2260913

2416474
MS10-070: Description of the security update for the Microsoft .NET Framework 3.5 Service Pack 1 on Windows Vista Service Pack 1 and Windows Server 2008

  • For more information about installation issues with this security update or with the Microsoft .NET Framework 2.0 Service Pack, click the following article number to view the article in the Microsoft Knowledge Base:

    [2263996](/kb/2263996

2416754
MS10-070: Description of the security update for the Microsoft .NET Framework 3.5.1 in Windows 7 Service Pack 1 beta and in Windows Server 2008 R2 Service Pack 1 beta

  • For more information about installation issues with this security update or with the Microsoft .NET Framework 3.5.1, click the following article number to view the article in the Microsoft Knowledge Base:

    [2263996](/kb/2263996

2418240
MS10-070: Description of the security update for the Microsoft .NET Framework 3.5 on Windows Server 2008, on Windows Vista, on Windows XP, and on Windows Server 2003

  • For more information about installation issues with this security update or with the Microsoft .NET Framework 3.5, click the following article number to view the article in the Microsoft Knowledge Base:

    [923100](/kb/923100ows Installer error code "1603"
    [923101](/kb/923101on: "Error 1324. The folder 'Program Files' contains an invalid character"
    [2197148](/kb/2197148NET Framework 2.0 Service Pack 1 updates and the Microsoft .NET Framework 3.5 updates
    [2260913](/kb/2260913 [2263996](/kb/2263996

2418241
MS10-070: Description of the security update for the Microsoft .NET Framework 3.5 Service Pack 1 and .NET Framework 2.0 Service Pack 2 on Windows Server 2003 and on Windows XP

  • For more information about installation issues with this security update or with the Microsoft .NET Framework 2.0 Service Pack 2, click the following article number to view the article in the Microsoft Knowledge Base:

    [2431806](/kb/2431806 Service Pack 2, the .NET Framework 3.0 Service Pack 2, or the .NET Framework 3.5 Service Pack 1 may not correctly update files even when installation of the update succeeds
    [2431208](/kb/2431208 [923100](/kb/923100ows Installer error code "1603"
    [923101](/kb/923101on: "Error 1324. The folder 'Program Files' contains an invalid character"
    [2197146](/kb/2197146 Service Pack 1 and the .NET Framework 2.0 Service Pack 2 may cause the Microsoft Knowledge Base article number to appear instead of the full title of the update in the Add or Remove Programs item in Control Panel
    [2260913](/kb/2260913 [2263996](/kb/2263996

2416451
MS10-070: Description of the security update for the Microsoft .NET Framework 1.1 Service Pack 1 on 32-bit editions of Windows Server 2003 Service Pack 2 and Windows Server 2003 R2 Service Pack 2

  • For more information about installation issues with this security update or with the Microsoft .NET Framework 1.1 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base:

    [2433751](/kb/2433751compatibility issue between .NET Framework 1.1 and .NET Framework 2.0 SP2 ASP.NET applications after you apply the security update from security bulletin MS10-070
    [2260913](/kb/2260913

2416468
MS10-070: Description of the security update for the Microsoft .NET Framework 3.5 on Windows Server 2003 and on Windows XP

  • For more information about installation issues with this security update or with the Microsoft .NET Framework 3.5, click the following article numbers to view the articles in the Microsoft Knowledge Base:

    [2431208](/kb/2431208 [923100](/kb/923100ows Installer error code "1603"
    [923101](/kb/923101on: "Error 1324. The folder 'Program Files' contains an invalid character"
    [2197148](/kb/2197148NET Framework 2.0 Service Pack 1 updates and the Microsoft .NET Framework 3.5 updates
    [2260913](/kb/2260913 [2263996](/kb/2263996

2416469
MS10-070: Description of the security update for the Microsoft .NET Framework 3.5 on Windows Vista Service Pack 1 and on Windows Server 2008

  • For more information about installation issues with this security update or with the Microsoft .NET Framework 2.0 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base:

    [2263996](/kb/2263996

2416470
MS10-070: Description of the security update for the Microsoft .NET Framework 3.5 Service Pack 1 on Windows Vista Service Pack 2 and on Windows Server 2008 Service Pack 2

  • For more information about installation issues with this security update or with the Microsoft .NET Framework 2.0 Service Pack 2, click the following article number to view the article in the Microsoft Knowledge Base:

    [2263996](/kb/2263996

    2436257 Updates for the .NET Framework 2.0 SP2 and .NET Framework 3.0 SP2 may chain install other updates

2416471
MS10-070: Description of the security update for the Microsoft .NET Framework 3.5.1 in Windows 7 and in Windows Server 2008 R2

  • For more information about installation issues with this security update or with the Microsoft .NET Framework 3.5.1, click the following article number to view the article in the Microsoft Knowledge Base:

    [2263996](/kb/2263996

2416472
MS10-070: Description of the security update for the Microsoft .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2

  • For more information about installation issues with this security update or with the Microsoft .NET Framework Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base:

    [2431208](/kb/2431208 [2260913](/kb/2260913 [2263996](/kb/2263996 2473228 Products or updates may not be installed correctly when Microsoft .NET Framework 4 or updates for Microsoft .NET Framework 4 are installed after the other product or update installs and a restart is pending

The following known issue affect all of the updates that are described in Security Bulletin MS10-070:

2431728 Encrypted content in ASP.NET is not decrypted for a website that is deployed in a web farm