.NET Framework August 2018 Security and Quality Rollup

Tara Overfield

Tara

Today, we are releasing the August 2018 Security and Quality Rollup.  This release also addressed the July issues explained in KB 4345913 and Advisory on July 2018 .NET Framework Updates.

Security

CVE-2018-8360 – Windows Information Disclosure Vulnerability

This update resolves an information disclosure vulnerability in Microsoft .NET Framework that could allow an attacker to access information in multi-tenant environments. The vulnerability is caused when .NET Framework is used in high-load/high-density network connections in which content from one stream can blend into another stream.

To exploit the vulnerability, an attacker who can access one tenant in a high-load/high-density environment could potentially trigger multi-tenanted data exposure from one customer to another.

This security update addresses the vulnerability by correcting the way that .NET Framework handles high-load/high-density network connections.

CVE-2018-8360

Quality and Reliability

This release contains the following quality and reliability improvements.

CLR

  • Applications that rely on COM components were failing to load or run correctly because of “access denied”, “class not registered”, or “internal failure occurred for unknown reasons” errors described in KB 4345913 and Advisory on July 2018 .NET Framework Updates.  [651528]

Note: Additional information on these improvements is not available. The VSTS bug number provided with each improvement is a unique ID that you can give Microsoft Customer Support, include in StackOverflow comments or use in web searches.

Getting the Update

The Security and Quality Rollup is available via Windows Update, Windows Server Update Services, Microsoft Update Catalog, and Docker.

Microsoft Update Catalog

You can get the update via the Microsoft Update Catalog. For Windows 10, .NET Framework updates are part of the Windows 10 Monthly Rollup.

The following table is for Windows 10 and Windows Server 2016+.

Product VersionSecurity and Quality Rollup KB
Windows 10 1803 (April 2018 Update)Catalog
4343909
.NET Framework 3.54343909
.NET Framework 4.7.24343909
Windows 10 1709 (Fall Creators Update)Catalog
4343897
.NET Framework 3.54343897
.NET Framework 4.7.1, 4.7.24343897
Windows 10 1703 (Creators Update)Catalog
4343885
.NET Framework 3.54343885
.NET Framework 4.7, 4.7.1, 4.7.24343885
Windows 10 1607 (Anniversary Update)
Windows Server 2016
Catalog
4343887
.NET Framework 3.54343887
.NET Framework 4.6.2, 4.7, 4.7.1, 4.7.24343887
Windows 10 1507Catalog
4343892
.NET Framework 3.54343892
.NET Framework 4.6, 4.6.1, 4.6.24343892

The following table is for earlier Windows and Windows Server versions.

Product VersionSecurity and Quality Rollup KBSecurity Only Update KB
Windows 8.1
Windows RT 8.1
Windows Server 2012 R2
Catalog
4345592
Catalog
4345681
.NET Framework 3.543441534344178
.NET Framework 4.5.243441474344171
.NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.243441454344166
Windows Server 2012Catalog
4345591
Catalog
4345680
.NET Framework 3.543441504344175
.NET Framework 4.5.243441484344172
.NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.243441444344165
Windows 7
Windows Server 2008 R2
Catalog
4345590
Catalog
4345679
.NET Framework 3.5.143441524344177
.NET Framework 4.5.243441494344173
.NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.243441464344167
Windows Server 2008Catalog
4345593
Catalog
4345682
.NET Framework 2.0, 3.043441514344176
.NET Framework 4.5.243441494344173
.NET Framework 4.643441464344167

Docker Images

We are updating the following .NET Framework Docker images for today’s release:

Note: Look at the “Tags” view in each repository to see the updated Docker image tags.

Previous Monthly Rollups

The last few .NET Framework Monthly updates are listed below for your convenience:

Tara Overfield
Tara Overfield

Software Engineer II , .NET Servicing

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