| Package | Affected versions | Patched versions |
|---|---|---|
| Microsoft.Build.NuGetSdkResolver | = 5.10.0-rc.7240= 5.11.0-rc.10= 5.9.0-rc.7122 | |
| NuGet.CommandLine | ≥ 4.6.0, < 5.11.5≥ 6.0.0, < 6.0.5≥ 6.2.0, < 6.2.4≥ 6.3.0, < 6.3.3≥ 6.4.0, < 6.4.2≥ 6.5.0, < 6.5.1≥ 6.6.0, < 6.6.1 | 5.11.56.0.56.2.46.3.36.4.26.5.16.6.1 |
| NuGet.Commands | ≥ 4.6.0, < 5.11.5≥ 6.0.0, < 6.0.5≥ 6.2.0, < 6.2.4≥ 6.3.0, < 6.3.3≥ 6.4.0, < 6.4.2≥ 6.5.0, < 6.5.1≥ 6.6.0, < 6.6.1 | 5.11.56.0.56.2.46.3.36.4.26.5.16.6.1 |
| NuGet.Common | ≥ 4.6.0, < 5.11.5≥ 6.0.0, < 6.0.5≥ 6.2.0, < 6.2.4≥ 6.3.0, < 6.3.3≥ 6.4.0, < 6.4.2≥ 6.5.0, < 6.5.1≥ 6.6.0, < 6.6.1 | 5.11.56.0.56.2.46.3.36.4.26.5.16.6.1 |
| NuGet.PackageManagement | ≥ 4.6.0, < 5.11.5≥ 6.0.0, < 6.0.5≥ 6.2.0, < 6.2.4≥ 6.3.0, < 6.3.3≥ 6.4.0, < 6.4.2≥ 6.5.0, < 6.5.1≥ 6.6.0, < 6.6.1 | 5.11.56.0.56.2.46.3.36.4.26.5.16.6.1 |
| NuGet.Protocol | ≥ 4.7.0, < 5.11.5≥ 6.0.0, < 6.0.5≥ 6.2.0, < 6.2.4≥ 6.3.0, < 6.3.3≥ 6.4.0, < 6.4.2≥ 6.5.0, < 6.5.1≥ 6.6.0, < 6.6.1 | 5.11.56.0.56.2.46.3.36.4.26.5.16.6.1 |
| nuget | = 6.0.4= 6.2.3= 6.3.2= 6.4.1= 6.5.0= 6.6.0 |
Microsoft is releasing this security advisory to provide information about a vulnerability in .NET and NuGet on Linux. 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 7.0 and NuGet(nuget.exe, NuGet.Protocol, NuGet.Common, NuGet.CommandLine, NuGet.Commands, Microsoft.Build.NuGetSdkResolver, NuGet.PackageManagement) where a potential race condition that can lead to a symlink attack on Linux. Non-Linux platforms are not affected.
This issue only affects Linux systems.
To fix the issue, please install the latest version of .NET 6.0 or .NET 7.0 and NuGet (NuGet.exe, NuGet.Protocol, NuGet.Common, NuGet.CommandLine, NuGet.Commands, NuGet.PackageManagement versions). If you have installed one or more .NET SDKs through Visual Studio, Visual Studio will prompt you to update Visual Studio, which will also update your .NET SDKs.
If you're using NuGet.exe 6.6.0 or lower, you should download and install 6.6.1 from https://dist.nuget.org/win-x86-commandline/v6.6.1/nuget.exe.
If you're using NuGet.exe 6.5.0 or lower, you should download and install 6.5.1 from .
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site freeIf you're using NuGet.exe 6.4.1 or lower, you should download and install 6.4.2 from https://dist.nuget.org/win-x86-commandline/v6.4.2/nuget.exe.
If you're using NuGet.exe 6.3.2 or lower, you should download and install 6.3.3 from https://dist.nuget.org/win-x86-commandline/v6.3.3/nuget.exe.
If you're using NuGet.exe 6.2.3 or lower, you should download and install 6.2.4 from https://dist.nuget.org/win-x86-commandline/v6.2.4/nuget.exe.
If you're using NuGet.exe 6.0.4 or lower, you should download and install 6.0.5 from https://dist.nuget.org/win-x86-commandline/v6.0.5/nuget.exe.
If you're using NuGet.exe 5.11.4 or lower, you should download and install 5.11.5 from https://dist.nuget.org/win-x86-commandline/v5.11.5/nuget.exe.
If you're using .NET 7.0, you should download and install Runtime 7.0.7 or SDK 7.0.107 or SDK 7.0.304 from https://dotnet.microsoft.com/download/dotnet-core/7.0.
If you're using .NET 7.0, you should download and install Runtime 7.0.7 or SDK 7.0.107 or SDK 7.0.304 from https://dotnet.microsoft.com/download/dotnet-core/7.0.
If you're using .NET 6.0, you should download and install Runtime 6.0.18 or SDK 6.0.118 or SDK 6.0.312 from https://dotnet.microsoft.com/download/dotnet-core/6.0.
Announcement for this issue can be found at https://github.com/NuGet/Announcements/issues/69
MSRC details for this can be found at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29337