Package Instance

Microsoft Security Advisory CVE-2024-21386: .NET Denial of Service Vulnerability
Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET 6.0, ASP.NET 7.0 and, ASP.NET 8.0 . This advisory also provides guidance on what developers can do to update their applications to address this vulnerability.

A vulnerability exists in ASP.NET applications using SignalR where a malicious client can result in a denial-of-service.

Microsoft Security Advisory CVE-2024-30046 | .NET Denial of Service Vulnerability
Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 7.0 and .NET 8.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

A Vulnerability exist in Microsoft.AspNetCore.Server.Kestrel.Core.dll where a dead-lock can occur resulting in Denial of Service.

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
ASP.NET and Visual Studio Security Feature Bypass Vulnerability

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

An information disclosure vulnerability exists in .NET Core 3.1 and .NET 6.0 that could lead to unauthorized access of privileged information.

## <a name="affected-software"></a>Affected software

* Any .NET 6.0 application running on .NET 6.0.7 or earlier.
* Any .NET Core 3.1 applicaiton running on .NET Core 3.1.27 or earlier.

If your application uses the following package versions, ensure you update to the latest version of .NET.

### <a name=".NET Core 3.1"></a>.NET Core 3.1

Package name | Affected version | Patched version
------------ | ---------------- | -------------------------
[System.Security.Cryptography.Xml](http://system.security)| <=4.7.0| 4.7.1
[Microsoft.AspNetCore.App.Runtime.win-x64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.win-x64)| >=3.1.0, 3.1.27| 3.1.28
[Microsoft.AspNetCore.App.Runtime.linux-x64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.linux-x64)| >=3.1.0, 3.1.27| 3.1.28
[Microsoft.AspNetCore.App.Runtime.win-x86](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.win-x86)| >=3.1.0, 3.1.27| 3.1.28
[Microsoft.AspNetCore.App.Runtime.osx-x64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.osx-x64)| >=3.1.0, 3.1.27| 3.1.28
[Microsoft.AspNetCore.App.Runtime.linux-musl-x64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.linux-musl-x64)| >=3.1.0, 3.1.27| 3.1.28
[Microsoft.AspNetCore.App.Runtime.linux-arm64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.linux-arm64)| >=3.1.0, 3.1.27| 3.1.28
[Microsoft.AspNetCore.App.Runtime.linux-arm](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.linux-arm)| >=3.1.0, 3.1.27| 3.1.28
[Microsoft.AspNetCore.App.Runtime.win-arm64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.win-arm64)| >=3.1.0, 3.1.27| 3.1.28
[Microsoft.AspNetCore.App.Runtime.win-arm](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.win-arm)| >=3.1.0, 3.1.27| 3.1.28
[Microsoft.AspNetCore.App.Runtime.linux-musl-arm64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.linux-musl-arm64)| >=3.1.0, 3.1.27| 3.1.28
[Microsoft.AspNetCore.App.Runtime.linux-musl-arm](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.linux-musl-arm)| >=3.1.0, 3.1.27| 3.1.28

### <a name=".NET 6"></a>.NET 6

Package name | Affected version | Patched version
------------ | ---------------- | -------------------------
[System.Security.Cryptography.Xml](https://www.nuget.org/packages/System.Security.Cryptography.Xml)| >=5.0.0, 6.0.0| 6.0.1
[Microsoft.AspNetCore.App.Runtime.win-x64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.win-x64)| >=6.0.0, 6.0.7| 6.0.8
[Microsoft.AspNetCore.App.Runtime.linux-x64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.linux-x64)| >=6.0.0, 6.0.7| 6.0.8
[Microsoft.AspNetCore.App.Runtime.win-x86](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.win-x86)| >=6.0.0, 6.0.7| 6.0.8
[Microsoft.AspNetCore.App.Runtime.osx-x64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.osx-x64)| >=6.0.0, 6.0.7| 6.0.8
[Microsoft.AspNetCore.App.Runtime.linux-musl-x64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.linux-musl-x64)| >=6.0.0, 6.0.7| 6.0.8
[Microsoft.AspNetCore.App.Runtime.linux-arm64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.linux-arm64)| >=6.0.0, 6.0.7| 6.0.8
[Microsoft.AspNetCore.App.Runtime.linux-arm](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.linux-arm)| >=6.0.0, 6.0.7| 6.0.8
[Microsoft.AspNetCore.App.Runtime.win-arm64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.win-arm64)| >=6.0.0, 6.0.7| 6.0.8
[Microsoft.AspNetCore.App.Runtime.win-arm](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.win-arm)| >=6.0.0, 6.0.7| 6.0.8
[Microsoft.AspNetCore.App.Runtime.osx-arm64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.osx-arm64)| >=6.0.0, 6.0.7| 6.0.8
[Microsoft.AspNetCore.App.Runtime.linux-musl-arm64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.linux-musl-arm64)| >=6.0.0, 6.0.7| 6.0.8
[Microsoft.AspNetCore.App.Runtime.linux-musl-arm](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.linux-musl-arm)| >=6.0.0, 6.0.7| 6.0.8

## Patches


* If you're using .NET 6.0, you should download and install Runtime 6.0.8 or SDK 6.0.108 (for Visual Studio 2022 v17.1) from https://dotnet.microsoft.com/download/dotnet-core/6.0.
* If you're using .NET Core 3.1, you should download and install Runtime 3.1.28 (for Visual Studio 2019 v16.9) from https://dotnet.microsoft.com/download/dotnet-core/3.1.


### Other

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/232
An Issue for this can be found at https://github.com/dotnet/aspnetcore/issues/43166
MSRC details for this can be found at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-34716

Duplicate Advisory: .NET Information Disclosure Vulnerability
# Duplicate Advisory
This advisory has been withdrawn because it is a duplicate of GHSA-vh55-786g-wjwj. This link is maintained to preserve external references.

# Original Description
Microsoft is releasing this security advisory to provide information about a vulnerability in .NET Core 3.1 and .NET 6.0.  An information disclosure vulnerability exists in .NET Core 3.1 and .NET 6.0 that could lead to unauthorized access of privileged information.

## Affected software

* Any .NET 6.0 application running on .NET 6.0.7 or earlier.
* Any .NET Core 3.1 applicaiton running on .NET Core 3.1.27 or earlier.

## Patches

* If you're using .NET 6.0, you should download and install Runtime 6.0.8 or SDK 6.0.108 (for Visual Studio 2022 v17.1) from https://dotnet.microsoft.com/download/dotnet-core/6.0.
* If you're using .NET Core 3.1, you should download and install Runtime 3.1.28 (for Visual Studio 2019 v16.9) from https://dotnet.microsoft.com/download/dotnet-core/3.1.