First published: Sat Feb 03 2024(Updated: )
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
Affected Software | Affected Version | How to fix |
---|---|---|
nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm | >=6.0.0<=6.0.7 | 6.0.8 |
nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm | >=3.1.0<=3.1.27 | 3.1.28 |
nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >=6.0.0<=6.0.7 | 6.0.8 |
nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >=3.1.0<=3.1.27 | 3.1.28 |
nuget/Microsoft.AspNetCore.App.Runtime.osx-arm64 | >=6.0.0<=6.0.7 | 6.0.8 |
nuget/Microsoft.AspNetCore.App.Runtime.win-arm | >=6.0.0<=6.0.7 | 6.0.8 |
nuget/Microsoft.AspNetCore.App.Runtime.win-arm | >=3.1.0<=3.1.27 | 3.1.28 |
nuget/Microsoft.AspNetCore.App.Runtime.win-arm64 | >=6.0.0<=6.0.7 | 6.0.8 |
nuget/Microsoft.AspNetCore.App.Runtime.win-arm64 | >=3.1.0<=3.1.27 | 3.1.28 |
nuget/Microsoft.AspNetCore.App.Runtime.linux-arm | >=6.0.0<=6.0.7 | 6.0.8 |
nuget/Microsoft.AspNetCore.App.Runtime.linux-arm | >=3.1.0<=3.1.27 | 3.1.28 |
nuget/Microsoft.AspNetCore.App.Runtime.linux-arm64 | >=6.0.0<=6.0.7 | 6.0.8 |
nuget/Microsoft.AspNetCore.App.Runtime.linux-arm64 | >=3.1.0<=3.1.27 | 3.1.28 |
nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >=6.0.0<=6.0.7 | 6.0.8 |
nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >=3.1.0<=3.1.27 | 3.1.28 |
nuget/Microsoft.AspNetCore.App.Runtime.osx-x64 | >=6.0.0<=6.0.7 | 6.0.8 |
nuget/Microsoft.AspNetCore.App.Runtime.osx-x64 | >=3.1.0<=3.1.27 | 3.1.28 |
nuget/Microsoft.AspNetCore.App.Runtime.win-x86 | >=6.0.0<=6.0.7 | 6.0.8 |
nuget/Microsoft.AspNetCore.App.Runtime.win-x86 | >=3.1.0<=3.1.27 | 3.1.28 |
nuget/Microsoft.AspNetCore.App.Runtime.linux-x64 | >=6.0.0<=6.0.7 | 6.0.8 |
nuget/Microsoft.AspNetCore.App.Runtime.linux-x64 | >=3.1.0<=3.1.27 | 3.1.28 |
nuget/Microsoft.AspNetCore.App.Runtime.win-x64 | >=6.0.0<=6.0.7 | 6.0.8 |
nuget/Microsoft.AspNetCore.App.Runtime.win-x64 | >=3.1.0<=3.1.27 | 3.1.28 |
nuget/System.Security.Cryptography.Xml | >=5.0.0<=6.0.0 | 6.0.1 |
nuget/System.Security.Cryptography.Xml | <=4.7.0 | 4.7.1 |
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The severity of GHSA-vh55-786g-wjwj is categorized as a critical information disclosure vulnerability.
To fix GHSA-vh55-786g-wjwj, you should update to the recommended versions: .NET Core 3.1.28 or .NET 6.0.8.
GHSA-vh55-786g-wjwj affects .NET Core 3.1.0 to 3.1.27 and .NET 6.0.0 to 6.0.7.
The impacted packages for GHSA-vh55-786g-wjwj include Microsoft.AspNetCore.App.Runtime and System.Security.Cryptography.Xml.
Developers using .NET Core 3.1 or .NET 6.0 with the affected packages are at risk from GHSA-vh55-786g-wjwj.