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Introduction

This update resolves a vulnerability in the Microsoft .NET Framework that could allow denial of service if an attacker sends a few specially crafted requests to an affected .NET-enabled website. By default, ASP.NET is not installed when the .NET Framework is installed on any supported edition of Windows. To be affected by the vulnerability, customers must manually install and enable ASP.NET by registering it with Internet Information Services (IIS).

Summary

Microsoft has released security bulletin MS14-053. Learn more about how to obtain the fixes that are included in this security bulletin:

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: International Support

More information about this security update

Download information

To install this update, install it from Microsoft Windows Update.

Additionally, you can install this update from the Microsoft Download Center.

Prerequisites

To install this update, you must have Windows Installer 3.1 or a later version installed on the computer.

Command-line switches for this update

Learn about the various command-line switches that are supported by this .NET Framework update.

Restart information

This update does not require a system restart after you apply it unless files that are being updated are locked or are being used.

Update replacement information

This update replaces update 2898855.

Update removal information

Note We do not recommend that you remove any security update.

To remove this update, use the Add or Remove Programs item or use the Programs and Features item in Control Panel.

The English (United States) version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

For all supported x86-based versions of systemsGDR service branch

File name

File version

File size

Date

Time

clr.dll

4.0.30319.1026

6,737,544

03-Jul-2014

14:17

mscordacwks.dll

4.0.30319.1026

1,143,448

03-Jul-2014

14:17

mscordbi.dll

4.0.30319.1026

957,072

03-Jul-2014

14:17

mscorlib.dll

4.0.30319.1026

5,203,096

03-Jul-2014

14:17

nlssorting.dll

4.0.30319.1026

57,488

03-Jul-2014

14:17

Setup.exe

10.0.30319.1026

78,984

03-Jul-2014

14:16

SetupEngine.dll

10.0.30319.1026

811,152

03-Jul-2014

14:16

SetupUi.dll

10.0.30319.1026

296,584

03-Jul-2014

14:16

SOS.dll

4.0.30319.1026

518,272

03-Jul-2014

14:17

System.Runtime.Serialization.dll

4.0.30319.1026

1,038,016

03-Jul-2014

14:17

System.Data.SqlXml.dll

4.0.30319.1026

753,832

03-Jul-2014

14:17

System.XML.dll

4.0.30319.1026

2,214,544

03-Jul-2014

14:17

LDR service branch

File name

File version

File size

Date

Time

clr.dll

4.0.30319.2045

6,739,584

03-Jul-2014

13:42

mscordacwks.dll

4.0.30319.2045

1,143,448

03-Jul-2014

13:42

mscordbi.dll

4.0.30319.2045

956,568

03-Jul-2014

13:42

mscorlib.dll

4.0.30319.2045

5,204,120

03-Jul-2014

13:40

nlssorting.dll

4.0.30319.2045

56,984

03-Jul-2014

13:42

Setup.exe

10.0.30319.2045

78,992

03-Jul-2014

13:42

SetupEngine.dll

10.0.30319.2045

811,160

03-Jul-2014

13:42

SetupUi.dll

10.0.30319.2045

296,592

03-Jul-2014

13:42

SOS.dll

4.0.30319.2045

517,768

03-Jul-2014

13:42

System.Runtime.Serialization.dll

4.0.30319.2045

1,038,008

03-Jul-2014

13:40

System.Data.SqlXml.dll

4.0.30319.2045

753,824

03-Jul-2014

13:40

System.XML.dll

4.0.30319.2045

2,214,552

03-Jul-2014

13:40

For all supported x64-based versions of systemsGDR service branch

File name

File version

File size

Date

Time

clr.dll

4.0.30319.1026

9,798,784

03-Jul-2014

14:36

clr.dll

4.0.30319.1026

6,737,544

03-Jul-2014

14:17

mscordacwks.dll

4.0.30319.1026

1,515,672

03-Jul-2014

14:36

mscordacwks.dll

4.0.30319.1026

1,143,448

03-Jul-2014

14:17

mscordbi.dll

4.0.30319.1026

1,455,248

03-Jul-2014

14:36

mscordbi.dll

4.0.30319.1026

957,072

03-Jul-2014

14:17

mscorlib.dll

4.0.30319.1026

4,972,688

03-Jul-2014

14:35

mscorlib.dll

4.0.30319.1026

5,203,096

03-Jul-2014

14:17

nlssorting.dll

4.0.30319.1026

68,760

03-Jul-2014

14:36

nlssorting.dll

4.0.30319.1026

57,488

03-Jul-2014

14:17

Setup.exe

10.0.30319.1026

78,984

03-Jul-2014

14:16

SetupEngine.dll

10.0.30319.1026

811,152

03-Jul-2014

14:16

SetupUi.dll

10.0.30319.1026

296,584

03-Jul-2014

14:16

SOS.dll

4.0.30319.1026

598,664

03-Jul-2014

14:37

SOS.dll

4.0.30319.1026

518,272

03-Jul-2014

14:17

System.Runtime.Serialization.dll

4.0.30319.1026

1,038,016

03-Jul-2014

14:17

System.Data.SqlXml.dll

4.0.30319.1026

753,832

03-Jul-2014

14:17

System.XML.dll

4.0.30319.1026

2,214,544

03-Jul-2014

14:17

LDR service branch

File name

File version

File size

Date

Time

clr.dll

4.0.30319.2045

9,801,344

03-Jul-2014

14:04

clr.dll

4.0.30319.2045

6,739,584

03-Jul-2014

13:42

mscordacwks.dll

4.0.30319.2045

1,515,672

03-Jul-2014

14:04

mscordacwks.dll

4.0.30319.2045

1,143,448

03-Jul-2014

13:42

mscordbi.dll

4.0.30319.2045

1,455,256

03-Jul-2014

14:04

mscordbi.dll

4.0.30319.2045

956,568

03-Jul-2014

13:42

mscorlib.dll

4.0.30319.2045

4,973,712

03-Jul-2014

14:03

mscorlib.dll

4.0.30319.2045

5,204,120

03-Jul-2014

13:40

nlssorting.dll

4.0.30319.2045

68,248

03-Jul-2014

14:04

nlssorting.dll

4.0.30319.2045

56,984

03-Jul-2014

13:42

Setup.exe

10.0.30319.2045

78,992

03-Jul-2014

13:42

SetupEngine.dll

10.0.30319.2045

811,160

03-Jul-2014

13:42

SetupUi.dll

10.0.30319.2045

296,592

03-Jul-2014

13:42

SOS.dll

4.0.30319.2045

598,656

03-Jul-2014

14:04

SOS.dll

4.0.30319.2045

517,768

03-Jul-2014

13:42

System.Runtime.Serialization.dll

4.0.30319.2045

1,038,008

03-Jul-2014

13:40

System.Data.SqlXml.dll

4.0.30319.2045

753,824

03-Jul-2014

13:40

System.XML.dll

4.0.30319.2045

2,214,552

03-Jul-2014

13:40

For all supported IA-64-based versions of systemsGDR service branch

File name

File version

File size

Date

Time

clr.dll

4.0.30319.1026

19,393,160

03-Jul-2014

14:56

clr.dll

4.0.30319.1026

6,737,544

03-Jul-2014

14:17

mscordacwks.dll

4.0.30319.1026

3,759,768

03-Jul-2014

14:56

mscordacwks.dll

4.0.30319.1026

1,143,448

03-Jul-2014

14:17

mscordbi.dll

4.0.30319.1026

3,296,408

03-Jul-2014

14:56

mscordbi.dll

4.0.30319.1026

957,072

03-Jul-2014

14:17

mscorlib.dll

4.0.30319.1026

4,470,928

03-Jul-2014

14:56

mscorlib.dll

4.0.30319.1026

5,203,096

03-Jul-2014

14:17

nlssorting.dll

4.0.30319.1026

145,048

03-Jul-2014

14:56

nlssorting.dll

4.0.30319.1026

57,488

03-Jul-2014

14:17

Setup.exe

10.0.30319.1026

78,984

03-Jul-2014

14:16

SetupEngine.dll

10.0.30319.1026

811,152

03-Jul-2014

14:16

SetupUi.dll

10.0.30319.1026

296,584

03-Jul-2014

14:16

SOS.dll

4.0.30319.1026

1,204,360

03-Jul-2014

14:56

SOS.dll

4.0.30319.1026

518,272

03-Jul-2014

14:17

System.Runtime.Serialization.dll

4.0.30319.1026

1,038,016

03-Jul-2014

14:17

System.Data.SqlXml.dll

4.0.30319.1026

753,832

03-Jul-2014

14:17

System.XML.dll

4.0.30319.1026

2,214,544

03-Jul-2014

14:17

LDR service branch

File name

File version

File size

Date

Time

clr.dll

4.0.30319.2045

19,397,768

03-Jul-2014

14:28

clr.dll

4.0.30319.2045

6,739,584

03-Jul-2014

13:42

mscordacwks.dll

4.0.30319.2045

3,759,256

03-Jul-2014

14:28

mscordacwks.dll

4.0.30319.2045

1,143,448

03-Jul-2014

13:42

mscordbi.dll

4.0.30319.2045

3,296,408

03-Jul-2014

14:28

mscordbi.dll

4.0.30319.2045

956,568

03-Jul-2014

13:42

mscorlib.dll

4.0.30319.2045

4,472,464

03-Jul-2014

14:27

mscorlib.dll

4.0.30319.2045

5,204,120

03-Jul-2014

13:40

nlssorting.dll

4.0.30319.2045

144,024

03-Jul-2014

14:28

nlssorting.dll

4.0.30319.2045

56,984

03-Jul-2014

13:42

Setup.exe

10.0.30319.2045

78,992

03-Jul-2014

13:42

SetupEngine.dll

10.0.30319.2045

811,160

03-Jul-2014

13:42

SetupUi.dll

10.0.30319.2045

296,592

03-Jul-2014

13:42

SOS.dll

4.0.30319.2045

1,203,848

03-Jul-2014

14:28

SOS.dll

4.0.30319.2045

517,768

03-Jul-2014

13:42

System.Runtime.Serialization.dll

4.0.30319.2045

1,038,008

03-Jul-2014

13:40

System.Data.SqlXml.dll

4.0.30319.2045

753,824

03-Jul-2014

13:40

System.XML.dll

4.0.30319.2045

2,214,552

03-Jul-2014

13:40



Applies toThis article applies to the following:

  • The Microsoft .NET Framework 4 when used with:

    • Windows 7 Service Pack 1

    • Windows Server 2008 R2 Service Pack 1

    • Windows Vista Service Pack 2

    • Windows Server 2008 Service Pack 2

    • Windows Server 2003 Service Pack 2

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