CVE-2022-41032: NuGet Client Elevation of Privilege Vulnerability
Description
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.
Affected software
NuGet & NuGet Packages
- Any NuGet.exe, NuGet.Commands, NuGet.CommandLine, NuGet.Protocol 6.3.0 version or earlier. - Any NuGet.exe, NuGet.Commands, NuGet.CommandLine, NuGet.Protocol 6.2.1 version or earlier. - Any NuGet.exe, NuGet.Commands, NuGet.CommandLine, NuGet.Protocol 6.0.2 version or earlier. - Any NuGet.exe, NuGet.Commands, NuGet.CommandLine, NuGet.Protocol 5.11.2 version or earlier. - Any NuGet.exe, NuGet.Commands, NuGet.CommandLine, NuGet.Protocol 5.9.2 version or earlier. - Any NuGet.exe, NuGet.Commands, NuGet.CommandLine, NuGet.Protocol 5.7.2 version or earlier. - Any NuGet.exe, NuGet.Commands, NuGet.CommandLine, NuGet.Protocol 4.9.5 version or earlier.
.NET SDK(s)
- Any .NET 6.0 application running on .NET 6.0.9 or earlier. - Any .NET 3.1 application running on .NET Core 3.1.29 or earlier.
Patches
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 .
- 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 2019 v16.11 or Visual Studio 2022 v17.0 or Visual Studio 2022 v17.1) 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.
Other details
Announcement for this issue can be found at https://github.com/NuGet/Announcements/issues/65
MSRC details for this can be found at https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-41032
Other sources
NuGet Client Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
nuget/NuGet.Protocolto a version that resolves this vulnerability.Fixed in 6.3.1 - Upgrade
Upgrade
nuget/NuGet.Protocolto a version that resolves this vulnerability.Fixed in 6.2.2 - Upgrade
Upgrade
nuget/NuGet.Protocolto a version that resolves this vulnerability.Fixed in 6.0.3 - Upgrade
Upgrade
nuget/NuGet.Protocolto a version that resolves this vulnerability.Fixed in 5.11.3 - Upgrade
Upgrade
nuget/NuGet.Protocolto a version that resolves this vulnerability.Fixed in 5.9.3 - Upgrade
Upgrade
nuget/NuGet.Protocolto a version that resolves this vulnerability.Fixed in 5.7.3 - Upgrade
Upgrade
nuget/NuGet.Protocolto a version that resolves this vulnerability.Fixed in 4.9.6 - Upgrade
Upgrade
nuget/NuGet.CommandLineto a version that resolves this vulnerability.Fixed in 6.3.1 - Upgrade
Upgrade
nuget/NuGet.CommandLineto a version that resolves this vulnerability.Fixed in 6.2.2 - Upgrade
Upgrade
nuget/NuGet.CommandLineto a version that resolves this vulnerability.Fixed in 6.0.3 - Upgrade
Upgrade
nuget/NuGet.CommandLineto a version that resolves this vulnerability.Fixed in 5.11.3 - Upgrade
Upgrade
nuget/NuGet.CommandLineto a version that resolves this vulnerability.Fixed in 5.9.3 - Upgrade
Upgrade
nuget/NuGet.CommandLineto a version that resolves this vulnerability.Fixed in 5.7.3 - Upgrade
Upgrade
nuget/NuGet.CommandLineto a version that resolves this vulnerability.Fixed in 4.9.6 - Upgrade
Upgrade
nuget/NuGet.Commandsto a version that resolves this vulnerability.Fixed in 6.3.1 - Upgrade
Upgrade
nuget/NuGet.Commandsto a version that resolves this vulnerability.Fixed in 6.2.2 - Upgrade
Upgrade
nuget/NuGet.Commandsto a version that resolves this vulnerability.Fixed in 6.0.3 - Upgrade
Upgrade
nuget/NuGet.Commandsto a version that resolves this vulnerability.Fixed in 5.11.3 - Upgrade
Upgrade
nuget/NuGet.Commandsto a version that resolves this vulnerability.Fixed in 5.9.3 - Upgrade
Upgrade
nuget/NuGet.Commandsto a version that resolves this vulnerability.Fixed in 5.7.3 - Upgrade
Upgrade
nuget/NuGet.Commandsto a version that resolves this vulnerability.Fixed in 4.9.6 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 17.2.9 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 17.3.6 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 3.1.30Patch KB5019349 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.9.26 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 17.3.7 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 17.0.15 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.0.10Patch KB5019351 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.11.20 - Upgrade
Upgrade
dotnet/.NET Core Runtime 3.1to a version that resolves this vulnerability.Fixed in 3.1.30 - Upgrade
Upgrade
dotnet/.NET SDK 3.1to a version that resolves this vulnerability.Fixed in 3.1.424 - Upgrade
Upgrade
dotnet/.NET 6.0 Runtimeto a version that resolves this vulnerability.Fixed in 6.0.10 - Upgrade
Upgrade
dotnet/.NET SDK 6.0to a version that resolves this vulnerability.Fixed in 6.0.110 - Upgrade
Upgrade
dotnet/.NET SDK 6.0to a version that resolves this vulnerability.Fixed in 6.0.402 - Upgrade
Upgrade
nuget.exeto a version that resolves this vulnerability.Fixed in 4.9.6 - Upgrade
Upgrade
nuget.exeto a version that resolves this vulnerability.Fixed in 5.11.3 - Upgrade
Upgrade
nuget.exeto a version that resolves this vulnerability.Fixed in 5.7.3 - Upgrade
Upgrade
nuget.exeto a version that resolves this vulnerability.Fixed in 5.9.3 - Upgrade
Upgrade
nuget.exeto a version that resolves this vulnerability.Fixed in 6.0.3 - Upgrade
Upgrade
nuget.exeto a version that resolves this vulnerability.Fixed in 6.2.2 - Upgrade
Upgrade
nuget.exeto a version that resolves this vulnerability.Fixed in 6.3.1
Event History
Frequently Asked Questions
What is CVE-2022-41032?
CVE-2022-41032 is a vulnerability that allows elevation of privilege in the NuGet Client.
Which software is affected by CVE-2022-41032?
The following software versions are affected: Microsoft .NET 6.0.0, Microsoft .NET Core 3.1, Microsoft Visual Studio 2019 (version 16.0.0 to 16.9.25 and 16.10.0 to 16.11.19), and Microsoft Visual Studio 2022 (version 17.0.0 to 17.0.14 and 17.2.0 to 17.2.8).
What is the severity of CVE-2022-41032?
The severity of CVE-2022-41032 is high, with a CVSSv3 score of 7.8.
How can I fix CVE-2022-41032?
Apply the necessary patches and updates provided by the software vendors to mitigate the vulnerability.
Where can I find more information about CVE-2022-41032?
You can find more information about CVE-2022-41032 at the following references: [Reference 1](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FOG35Z5RL5W5RGLLYLN46CI4D2UPDSWM/), [Reference 2](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HDPT2MJC3HD7HYZGASOOX6MTDR4ASBL5/), [Reference 3](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X7BMHO5ITRBZREVTEKHQRGSFRPDMALV3/).