Security and Quality Rollup for .NET Framework 4.8 for Windows 7 SP1 and Server 2008 R2 SP1 (KB4506994)

Applies to:

Microsoft .NET Framework 4.8

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.

  • 4507420 Description of the Security and Quality Rollup 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 and Server 2008 (KB4507420)

How to obtain and install the update

Method 1: Windows Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to get security updates automatically, see Windows Update: FAQ.

Method 2: Microsoft Update Catalog

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

Method 3: 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 4507420 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 4499406 and 4503865.


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

NDP48-KB4506994-x86.exe

9350EC8492961A5890AC0ABD984B9892021CE0D9

4CA7698B3402B8522DC75926BC514A1FFA9446D7B35AB2E62A1A81BF6C8A85DD

NDP48-KB4506994-x64.exe

DDD664B6926C77646789C3328D0A7533182D9224

C8F497D2E85337F92B69654788983361FD52E8F852DE4E0FA9ACA5A922F4AA54

For all supported x86-based versions

File name

File version

File size

Date

Time

Aspnet_perf.dll

4.8.3815.0

43,056

04-Jun-2019

18:30

aspnet_wp.exe

4.8.3815.0

46,656

04-Jun-2019

18:30

clr.dll

4.8.3801.0

8,042,240

04-Jun-2019

18:30

clrjit.dll

4.8.3801.0

560,688

04-Jun-2019

18:30

mscordacwks.dll

4.8.3801.0

1,314,344

04-Jun-2019

18:30

mscordbi.dll

4.8.3801.0

1,195,056

04-Jun-2019

18:30

mscorlib.dll

4.8.3801.0

5,676,288

04-Jun-2019

18:30

Placeholder.dll

4.8.3815.0

25,376

04-Jun-2019

18:30

VsVersion.dll

14.8.3815.0

18,480

04-Jun-2019

18:30

PenIMC2_v0400.dll

4.8.3815.0

106,544

04-Jun-2019

18:30

peverify.dll

4.8.3801.0

189,720

04-Jun-2019

18:30

PresentationCore.dll

4.8.3815.0

3,676,208

04-Jun-2019

18:30

PresentationFramework.dll

4.8.3815.0

6,264,872

04-Jun-2019

18:30

PresentationFramework-SystemData.dll

4.8.3815.0

24,616

04-Jun-2019

18:30

PresentationHost_v0400.dll

4.8.3815.0

240,688

04-Jun-2019

18:30

PresentationHost_v0400.dll.mui

4.8.3815.0

84,528

04-Jun-2019

18:30

PresentationNative_v0400.dll

4.8.3815.0

930,056

04-Jun-2019

18:30

ServiceMonikerSupport.dll

4.8.3825.0

31,488

04-Jun-2019

18:34

SMDiagnostics.dll

4.8.3825.0

73,544

04-Jun-2019

18:33

SOS.dll

4.8.3801.0

774,192

04-Jun-2019

18:30

System.Activities.dll

4.8.3825.0

1,533,344

04-Jun-2019

18:33

System.Core.dll

4.8.3815.0

1,555,872

04-Jun-2019

18:30

System.IdentityModel.dll

4.8.3825.0

1,093,960

04-Jun-2019

18:33

System.IdentityModel.Services.dll

4.8.3825.0

198,400

04-Jun-2019

18:34

System.Runtime.Serialization.dll

4.8.3825.0

1,054,112

04-Jun-2019

18:33

System.ServiceModel.Channels.dll

4.8.3825.0

157,744

04-Jun-2019

18:33

System.ServiceModel.Discovery.dll

4.8.3825.0

308,272

04-Jun-2019

18:33

System.ServiceModel.dll

4.8.3825.0

6,386,504

04-Jun-2019

18:33

System.ServiceModel.Internals.dll

4.8.3825.0

253,344

04-Jun-2019

18:33

System.ServiceModel.WasHosting.dll

4.8.3825.0

40,192

04-Jun-2019

18:34

System.Web.ApplicationServices.dll

4.8.3815.0

70,560

04-Jun-2019

18:30

System.Web.Extensions.dll

4.8.3815.0

1,849,248

04-Jun-2019

18:30

System.Workflow.Activities.dll

4.8.3825.0

1,050,368

04-Jun-2019

18:34

System.Workflow.ComponentModel.dll

4.8.3825.0

1,556,528

04-Jun-2019

18:34

System.Workflow.Runtime.dll

4.8.3825.0

502,528

04-Jun-2019

18:34

System.dll

4.8.3801.0

3,558,304

04-Jun-2019

18:30

System.Web.dll

4.8.3815.0

5,416,224

04-Jun-2019

18:30

System.Windows.Controls.Ribbon.dll

4.8.3815.0

747,048

04-Jun-2019

18:30

System.Xaml.dll

4.8.3815.0

638,880

04-Jun-2019

18:30

UIAutomationClient.dll

4.8.3815.0

177,920

04-Jun-2019

18:30

UIAutomationClientsideProviders.dll

4.8.3815.0

361,216

04-Jun-2019

18:30

UIAutomationProvider.dll

4.8.3815.0

48,688

04-Jun-2019

18:30

UIAutomationtypes.dll

4.8.3815.0

222,976

04-Jun-2019

18:30

webengine.dll

4.8.3815.0

26,376

04-Jun-2019

18:30

webengine4.dll

4.8.3815.0

571,440

04-Jun-2019

18:30

WindowsBase.dll

4.8.3815.0

1,305,648

04-Jun-2019

18:30

WorkflowServiceHostPerformanceCounters.dll

4.8.3825.0

88,856

04-Jun-2019

18:33

WPFFontCache_v0400.exe.mui

4.8.3815.0

18,992

04-Jun-2019

18:30

WPFFontCache_v0400.exe

4.8.3815.0

26,720

04-Jun-2019

18:30

wpfgfx_v0400.dll

4.8.3815.0

1,625,352

04-Jun-2019

18:30

For all supported x64-based versions

File name

File version

File size

Date

Time

Aspnet_perf.dll

4.8.3815.0

48,680

04-Jun-2019

18:30

Aspnet_perf.dll

4.8.3815.0

43,056

04-Jun-2019

18:30

aspnet_wp.exe

4.8.3815.0

52,288

04-Jun-2019

18:30

aspnet_wp.exe

4.8.3815.0

46,656

04-Jun-2019

18:30

clr.dll

4.8.3801.0

11,268,656

04-Jun-2019

18:30

clr.dll

4.8.3801.0

8,042,240

04-Jun-2019

18:30

clrjit.dll

4.8.3801.0

1,364,528

04-Jun-2019

18:30

clrjit.dll

4.8.3801.0

560,688

04-Jun-2019

18:30

compatjit.dll

4.8.3801.0

1,280,048

04-Jun-2019

18:30

mscordacwks.dll

4.8.3801.0

1,807,920

04-Jun-2019

18:30

mscordacwks.dll

4.8.3801.0

1,314,344

04-Jun-2019

18:30

mscordbi.dll

4.8.3801.0

1,660,976

04-Jun-2019

18:30

mscordbi.dll

4.8.3801.0

1,195,056

04-Jun-2019

18:30

mscorlib.dll

4.8.3801.0

5,436,968

04-Jun-2019

18:30

mscorlib.dll

4.8.3801.0

5,676,288

04-Jun-2019

18:30

VsVersion.dll

14.8.3815.0

18,480

04-Jun-2019

18:30

Placeholder.dll

4.8.3815.0

27,184

04-Jun-2019

18:30

Placeholder.dll

4.8.3815.0

25,376

04-Jun-2019

18:30

VsVersion.dll

14.8.3815.0

18,480

04-Jun-2019

18:30

PenIMC2_v0400.dll

4.8.3815.0

127,528

04-Jun-2019

18:30

PenIMC2_v0400.dll

4.8.3815.0

106,544

04-Jun-2019

18:30

peverify.dll

4.8.3801.0

272,432

04-Jun-2019

18:30

peverify.dll

4.8.3801.0

189,720

04-Jun-2019

18:30

PresentationCore.dll

4.8.3815.0

3,652,656

04-Jun-2019

18:30

PresentationCore.dll

4.8.3815.0

3,676,208

04-Jun-2019

18:30

PresentationFramework.dll

4.8.3815.0

6,264,872

04-Jun-2019

18:30

PresentationFramework-SystemData.dll

4.8.3815.0

24,616

04-Jun-2019

18:30

PresentationHost_v0400.dll

4.8.3815.0

309,512

04-Jun-2019

18:30

PresentationHost_v0400.dll.mui

4.8.3815.0

84,528

04-Jun-2019

18:30

PresentationHost_v0400.dll

4.8.3815.0

240,688

04-Jun-2019

18:30

PresentationHost_v0400.dll.mui

4.8.3815.0

84,528

04-Jun-2019

18:30

PresentationNative_v0400.dll

4.8.3815.0

1,170,984

04-Jun-2019

18:30

PresentationNative_v0400.dll

4.8.3815.0

930,056

04-Jun-2019

18:30

ServiceMonikerSupport.dll

4.8.3825.0

34,560

04-Jun-2019

18:47

ServiceMonikerSupport.dll

4.8.3825.0

31,488

04-Jun-2019

18:34

SMDiagnostics.dll

4.8.3825.0

73,544

04-Jun-2019

18:33

SOS.dll

4.8.3801.0

928,304

04-Jun-2019

18:30

SOS.dll

4.8.3801.0

774,192

04-Jun-2019

18:30

System.Activities.dll

4.8.3825.0

1,533,344

04-Jun-2019

18:33

System.Core.dll

4.8.3815.0

1,555,872

04-Jun-2019

18:30

System.IdentityModel.dll

4.8.3825.0

1,093,960

04-Jun-2019

18:33

System.IdentityModel.Services.dll

4.8.3825.0

198,400

04-Jun-2019

18:34

System.Runtime.Serialization.dll

4.8.3825.0

1,054,112

04-Jun-2019

18:33

System.ServiceModel.Channels.dll

4.8.3825.0

157,744

04-Jun-2019

18:33

System.ServiceModel.Discovery.dll

4.8.3825.0

308,272

04-Jun-2019

18:33

System.ServiceModel.dll

4.8.3825.0

6,386,504

04-Jun-2019

18:33

System.ServiceModel.Internals.dll

4.8.3825.0

253,344

04-Jun-2019

18:33

System.ServiceModel.WasHosting.dll

4.8.3825.0

40,192

04-Jun-2019

18:34

System.Web.ApplicationServices.dll

4.8.3815.0

70,560

04-Jun-2019

18:30

System.Web.Extensions.dll

4.8.3815.0

1,849,248

04-Jun-2019

18:30

System.Workflow.Activities.dll

4.8.3825.0

1,050,368

04-Jun-2019

18:34

System.Workflow.ComponentModel.dll

4.8.3825.0

1,556,528

04-Jun-2019

18:34

System.Workflow.Runtime.dll

4.8.3825.0

502,528

04-Jun-2019

18:34

System.dll

4.8.3801.0

3,558,304

04-Jun-2019

18:30

System.Web.dll

4.8.3815.0

5,403,176

04-Jun-2019

18:30

System.Web.dll

4.8.3815.0

5,416,224

04-Jun-2019

18:30

System.Windows.Controls.Ribbon.dll

4.8.3815.0

747,048

04-Jun-2019

18:30

System.Xaml.dll

4.8.3815.0

638,880

04-Jun-2019

18:30

UIAutomationClient.dll

4.8.3815.0

177,920

04-Jun-2019

18:30

UIAutomationClientsideProviders.dll

4.8.3815.0

361,216

04-Jun-2019

18:30

UIAutomationProvider.dll

4.8.3815.0

48,688

04-Jun-2019

18:30

UIAutomationtypes.dll

4.8.3815.0

222,976

04-Jun-2019

18:30

webengine.dll

4.8.3815.0

28,208

04-Jun-2019

18:30

webengine.dll

4.8.3815.0

26,376

04-Jun-2019

18:30

webengine4.dll

4.8.3815.0

682,248

04-Jun-2019

18:30

webengine4.dll

4.8.3815.0

571,440

04-Jun-2019

18:30

WindowsBase.dll

4.8.3815.0

1,305,648

04-Jun-2019

18:30

WorkflowServiceHostPerformanceCounters.dll

4.8.3825.0

102,168

04-Jun-2019

18:47

WorkflowServiceHostPerformanceCounters.dll

4.8.3825.0

88,856

04-Jun-2019

18:33

WPFFontCache_v0400.exe.mui

4.8.3815.0

18,992

04-Jun-2019

18:30

WPFFontCache_v0400.exe.mui

4.8.3815.0

18,992

04-Jun-2019

18:30

WPFFontCache_v0400.exe

4.8.3815.0

28,776

04-Jun-2019

18:30

WPFFontCache_v0400.exe

4.8.3815.0

26,720

04-Jun-2019

18:30

wpfgfx_v0400.dll

4.8.3815.0

2,056,752

04-Jun-2019

18:30

wpfgfx_v0400.dll

4.8.3815.0

1,625,352

04-Jun-2019

18:30

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