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Applies to:

Microsoft .NET Framework 4.5.2

Summary

A remote code execution vulnerability exists in .NET software when the software fails to check the source markup of a file. An Authentication Bypass vulnerability exists in WCF and WIF, allowing signing of SAML tokens with arbitrary symmetric keys. This vulnerability allows an attacker to impersonate another user. The vulnerability exists in WCF, WIF 3.5 and above in .NET Framework, WIF 1.0 component in Windows, WIF Nuget package, and WIF implementation in Sharepoint. An information disclosure vulnerability exists when Exchange and Azure Active Directory allow creation of entities with Display Names having non-printable characters.

To learn more about the vulnerabilities, go to the following Common Vulnerabilities and Exposures (CVE).

Additional information about this update

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

  • 4507414 Description of the Security Only Update for .NET Framework 2.0, 3.0, 4.5.2, 4.6 for Windows Server 2008 SP2 (KB4507414)

  • 4507411 Description of the Security Only Update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Server 2008 R2 SP1 (KB4507411)

How to obtain and install the update

Method 1: Microsoft Update Catalog

To get the standalone package for this update, go to the Microsoft Update Catalog.

Method 2: Windows Software Update Services (WSUS)

On your WSUS server, follow these steps:

  1. Select Start, select Administrative Tools, and then select Microsoft Windows Server Update Services 3.0.

  2. Expand ComputerName, and then select Action.

  3. Select Import Updates.

  4. WSUS opens a browser window in which you may be prompted to install an ActiveX control. You must install the ActiveX control to continue.

  5. After the ActiveX control is installed, you see the Microsoft Update Catalog screen. Type 4507411 for Windows 7 SP1 and Server 2008 R2 SP1 or type 4507414 for Windows Server 2008 SP2 into the Search box, and then select Search.

  6. Locate the .NET Framework packages that match the operating systems, languages, and processors in your environment. Select Add to add them to your basket.

  7. After you select all the packages that you require, select View Basket.

  8. To import the packages to your WSUS server, select Import.

  9. After the packages are imported, select Close to return to WSUS.

The updates are now available for installation through WSUS.

Update deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:

20190709 Security update deployment information: July 9, 2019

Update removal information

Note We do not recommend that you remove any security update. To remove this update, use the Programs and Features item in Control Panel.

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 previously released updates 4457914 for Windows 7 SP1 and Server 2008 R2 SP1 and 4457917 for Windows Server 2008 SP2.


File information
The English (United States) version of this update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and 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 times may change when you perform certain operations on the files.
 

 

File information

File hash information

File name

SHA1 hash

SHA256 hash

NDP45-KB4506966-x86.exe

51FFA129EF63173A77BCDB6710CB60541F7BC60F

2F536FB53AAB87BC31A41F3904985BA1629ED0728004DA1E55ED05A43622B34C

NDP45-KB4506966-x64.exe

B199D0F7D29251BE12BA01A99E2C99CEA65AC24A

DC99C7307C60C733839D42F2BCD95D855CBE2192724EFE62B748D53AC3A495F9

For all supported x86-based versions

File name

File version

File size

Date

Time

ServiceMonikerSupport.dll

4.0.30319.36566

28,208

06-Jun-2019

17:40

SMDiagnostics.dll

4.0.30319.36566

73,120

06-Jun-2019

17:40

System.Activities.dll

4.0.30319.36566

1,582,496

06-Jun-2019

17:40

System.IdentityModel.dll

4.0.30319.36566

1,097,120

06-Jun-2019

17:40

System.IdentityModel.Services.dll

4.0.30319.36566

199,728

06-Jun-2019

17:40

System.Runtime.Serialization.dll

4.0.30319.36566

1,059,744

06-Jun-2019

17:40

System.ServiceModel.Channels.dll

4.0.30319.36566

159,280

06-Jun-2019

17:40

System.ServiceModel.Discovery.dll

4.0.30319.36566

312,360

06-Jun-2019

17:40

System.ServiceModel.dll

4.0.30319.36566

6,386,592

06-Jun-2019

17:40

System.ServiceModel.Internals.dll

4.0.30319.36566

254,792

06-Jun-2019

17:40

System.ServiceModel.WasHosting.dll

4.0.30319.36566

39,472

06-Jun-2019

17:40

System.Workflow.Activities.dll

4.0.30319.36566

1,068,288

06-Jun-2019

17:40

System.Workflow.ComponentModel.dll

4.0.30319.36566

1,570,560

06-Jun-2019

17:40

System.Workflow.Runtime.dll

4.0.30319.36566

503,336

06-Jun-2019

17:40

WorkflowServiceHostPerformanceCounters.dll

4.0.30319.36566

75,824

06-Jun-2019

17:40

msvcp120_clr0400.dll

12.0.52480.36480

536,856

06-Jun-2019

17:36

msvcr120_clr0400.dll

12.0.52480.36480

875,800

06-Jun-2019

17:36

For all supported x64-based versions

File name

File version

File size

Date

Time

ServiceMonikerSupport.dll

4.0.30319.36566

28,720

06-Jun-2019

17:58

ServiceMonikerSupport.dll

4.0.30319.36566

28,208

06-Jun-2019

17:40

SMDiagnostics.dll

4.0.30319.36566

73,120

06-Jun-2019

17:40

System.Activities.dll

4.0.30319.36566

1,582,496

06-Jun-2019

17:40

System.IdentityModel.dll

4.0.30319.36566

1,097,120

06-Jun-2019

17:40

System.IdentityModel.Services.dll

4.0.30319.36566

199,728

06-Jun-2019

17:40

System.Runtime.Serialization.dll

4.0.30319.36566

1,059,744

06-Jun-2019

17:40

System.ServiceModel.Channels.dll

4.0.30319.36566

159,280

06-Jun-2019

17:40

System.ServiceModel.Discovery.dll

4.0.30319.36566

312,360

06-Jun-2019

17:40

System.ServiceModel.dll

4.0.30319.36566

6,386,592

06-Jun-2019

17:40

System.ServiceModel.Internals.dll

4.0.30319.36566

254,792

06-Jun-2019

17:40

System.ServiceModel.WasHosting.dll

4.0.30319.36566

39,472

06-Jun-2019

17:40

System.Workflow.Activities.dll

4.0.30319.36566

1,068,288

06-Jun-2019

17:40

System.Workflow.ComponentModel.dll

4.0.30319.36566

1,570,560

06-Jun-2019

17:40

System.Workflow.Runtime.dll

4.0.30319.36566

503,336

06-Jun-2019

17:40

WorkflowServiceHostPerformanceCounters.dll

4.0.30319.36566

85,040

06-Jun-2019

17:58

WorkflowServiceHostPerformanceCounters.dll

4.0.30319.36566

75,824

06-Jun-2019

17:40

msvcp120_clr0400.dll

12.0.52480.36480

678,488

06-Jun-2019

17:37

msvcp120_clr0400.dll

12.0.52480.36480

536,856

06-Jun-2019

17:36

msvcr120_clr0400.dll

12.0.52480.36480

869,464

06-Jun-2019

17:37

msvcr120_clr0400.dll

12.0.52480.36480

875,800

06-Jun-2019

17:36

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