Launch Week Day 1: Announcing Security Design Review
HIGH 7.5 NuGet

.NET Denial of Service Vulnerability

GHSA-3rq8-h3gj-r5c6 · BIT-dotnet-2022-29117 · BIT-dotnet-sdk-2022-29117 · CVE-2022-29117

Published · Modified

Description

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 6.0, .NET 5.0 and .NET Core 3.1. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

A vulnerability exists in .NET 6.0, .NET 5.0 and .NET core 3.1 where a malicious client can manipulate cookies and cause a Denial of Service.

Affected software

  • Any .NET 6.0 application running on .NET 6.0.4 or earlier.
  • Any .NET 5.0 application running .NET 5.0.16 or earlier.
  • Any .NET Core 3.1 application running on .NET Core 3.1.24 or earlier.

Affected packages

.NET Core 3.1

Package name Affected versions Patched versions
Microsoft.Owin.Security.Cookies <4.2.2 4.2.2
Microsoft.Owin.Security <4.2.2 4.2.2
Microsoft.AspNetCore.App.Runtime.win-x64 >=3.0.0,3.1.24 3.1.25
Microsoft.AspNetCore.App.Runtime.linux-x64 >=3.0.0,3.1.24 3.1.25
Microsoft.AspNetCore.App.Runtime.win-x86 >=3.0.0,3.1.24 3.1.25
Microsoft.AspNetCore.App.Runtime.osx-x64 >=3.0.0,3.1.24 3.1.25
Microsoft.AspNetCore.App.Runtime.linux-musl-x64 >=3.0.0,3.1.24 3.1.25
Microsoft.AspNetCore.App.Runtime.linux-arm64 >=3.0.0,3.1.24 3.1.25
Microsoft.AspNetCore.App.Runtime.linux-arm >=3.0.0,3.1.24 3.1.25
Microsoft.AspNetCore.App.Runtime.win-arm64 >=3.0.0,3.1.24 3.1.25
Microsoft.AspNetCore.App.Runtime.win-arm >=3.0.0,3.1.24 3.1.25
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 >=3.0.0,3.1.24 3.1.25
Microsoft.AspNetCore.App.Runtime.linux-musl-arm >=3.0.0,3.1.24 3.1.25

.NET 5.0

Affected packages Affected versions Patched versions
Microsoft.Owin.Security.Cookies < 4.2.2 4.2.2
Microsoft.AspNetCore.App.Runtime.win-x64 >=5.0.0,5.0.16 5.0.17
Microsoft.AspNetCore.App.Runtime.linux-x64 >=5.0.0,5.0.16 5.0.17
Microsoft.AspNetCore.App.Runtime.win-x86 >=5.0.0,5.0.16 5.0.17
Microsoft.AspNetCore.App.Runtime.osx-x64 >=5.0.0,5.0.16 5.0.17
Microsoft.AspNetCore.App.Runtime.linux-musl-x64 >=5.0.0,5.0.16 5.0.17
Microsoft.AspNetCore.App.Runtime.linux-arm64 >=5.0.0,5.0.16 5.0.17
Microsoft.AspNetCore.App.Runtime.linux-arm >=5.0.0,5.0.16 5.0.17
Microsoft.AspNetCore.App.Runtime.win-arm64 >=5.0.0,5.0.16 5.0.17
Microsoft.AspNetCore.App.Runtime.win-arm >=5.0.0,5.0.16 5.0.17
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 >=5.0.0,5.0.16 5.0.17
Microsoft.AspNetCore.App.Runtime.linux-musl-arm >=5.0.0,5.0.16 5.0.17

.NET 6.0

Affected packages Affected versions Patched versions
Microsoft.Owin.Security.Cookies <4.2.2 4.2.2
Microsoft.AspNetCore.App.Runtime.win-x64 >=6.0.0,6.0.4 6.0.5
Microsoft.AspNetCore.App.Runtime.linux-x64 >=6.0.0,6.0.4 6.0.5
Microsoft.AspNetCore.App.Runtime.win-x86 >=6.0.0,6.0.4 6.0.5
Microsoft.AspNetCore.App.Runtime.osx-x64 >=6.0.0,6.0.4 6.0.5
Microsoft.AspNetCore.App.Runtime.linux-musl-x64 >=6.0.0,6.0.4 6.0.5
Microsoft.AspNetCore.App.Runtime.linux-arm64 >=6.0.0,6.0.4 6.0.5
Microsoft.AspNetCore.App.Runtime.linux-arm >=6.0.0,6.0.4 6.0.5
Microsoft.AspNetCore.App.Runtime.win-arm64 >=6.0.0,6.0.4 6.0.5
Microsoft.AspNetCore.App.Runtime.win-arm >=6.0.0,6.0.4 6.0.5
Microsoft.AspNetCore.App.Runtime.osx-arm64 >=6.0.0,6.0.4 6.0.5
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 >=6.0.0,6.0.4 6.0.5
Microsoft.AspNetCore.App.Runtime.linux-musl-arm >=6.0.0,6.0.4 6.0.5

Patches

.NET 6.0, .NET 5.0 and .NET Core 3.1 updates are also available from Microsoft Update. To access this either type "Check for updates" in your Windows search, or open Settings, choose Update & Security and then click Check for Updates.

Other Details

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