Microsoft Security Advisory CVE 2022-41032 | .NET Elevation of Privilege Vulnerability #236
Comments
Sign up for free
to subscribe to this conversation on GitHub.
Already have an account?
Sign in.
{{ message }}
Executive summary
Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 7.0.0-rc, .NET 6.0, .NET Core 3.1, and NuGet (NuGet.exe, NuGet.Commands, NuGet.CommandLine, NuGet.Protocol). This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.
A vulnerability exists in .NET 7.0.0-rc.1, .NET 6.0, .NET Core 3.1, and NuGet clients (NuGet.exe, NuGet.Commands, NuGet.CommandLine, NuGet.Protocol) where a malicious actor could cause a user to execute arbitrary code.
Discussion
Discussion for this issue can be found at NuGet/Home#12149
Mitigation factors
Microsoft has not identified any mitigating factors for this vulnerability.
Affected software
NuGet & NuGet Packages
GitHub Advisory
.NET SDK(s)
How do I know if I am affected?
If you have a NuGet package or .NET SDK with a version listed in affected software, you're exposed to the vulnerability.
How do I fix the issue?
To fix the issue, please install the latest version of .NET 6.0 or .NET Core 3.1 and NuGet (NuGet.exe, NuGet.Commands, NuGet.CommandLine, NuGet.Protocol 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 6.3.0 or lower, you should download and install 6.3.1 from https://dist.nuget.org/win-x86-commandline/v6.3.1/nuget.exe .
If you're using NuGet.exe 6.2.1 or lower, you should download and install 6.2.2 from https://dist.nuget.org/win-x86-commandline/v6.2.2/nuget.exe .
If you're using NuGet.exe 6.0.2 or lower, you should download and install 6.0.3 from https://dist.nuget.org/win-x86-commandline/v6.0.3/nuget.exe .
If you're using NuGet.exe 5.11.2 or lower, you should download and install 5.11.3 from https://dist.nuget.org/win-x86-commandline/v5.11.3/nuget.exe .
If you're using NuGet.exe 5.9.2 or lower, you should download and install 5.9.3 from https://dist.nuget.org/win-x86-commandline/v5.9.3/nuget.exe .
If you're using NuGet.exe 5.7.2 or lower, you should download and install 5.7.3 from https://dist.nuget.org/win-x86-commandline/v5.7.3/nuget.exe .
If you're using NuGet.exe 4.9.5 or lower, you should download and install 4.9.6 from https://dist.nuget.org/win-x86-commandline/v4.9.6/nuget.exe .
You can get the version of NuGet.exe by running the
nugetcommand. You should see an output like the following:You can list the versions you have installed by running the
dotnet --infocommand. You should see an output like the following:If you're using .NET Core 6.0, you should download and install Runtime 6.0.10 or SDK 6.0.110 (for Visual Studio 2022 v17.0) or SDK 6.0.402 (for Visual Studio 2022 v17.3) from https://dotnet.microsoft.com/download/dotnet-core/6.0.
If you're using .NET Core 3.1, you should download and install Runtime 3.1.30 or SDK 3.1.424 (for Visual Studio 2019 v16.9 or Visual Studio 2011 16.11 or Visual Studio 2022 17.0 or Visual Studio 2022 17.1) from https://dotnet.microsoft.com/download/dotnet-core/3.1
.NET 6.0 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.
Once you have installed the updated runtime or SDK, restart your apps for the update to take effect.
Additionally, if you've deployed self-contained applications targeting any of the impacted versions, these applications are also vulnerable and must be recompiled and redeployed.
Other Information
Reporting Security Issues
If you have found a potential security issue in .NET Core 3.1 or .NET 6.0, please email details to secure@microsoft.com. Reports may qualify for the Microsoft .NET Core & .NET 5 Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty.
Support
You can ask questions about this issue on GitHub in the .NET GitHub organization. The main repo is located at https://github.com/NuGet/NuGet.Client. The Announcements repo will contain this bulletin as an issue and will include a link to a discussion issue. You can ask questions in the linked discussion issue.
Disclaimer
The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Acknowledgements
Edward Thomson
External Links
CVE 2022-41032
Revisions
V1.0 (October 11, 2022): Advisory published.
Version 1.0
Last Updated 2022-10-11
The text was updated successfully, but these errors were encountered: