CVE-2022-41089

.NET Framework Remote Code Execution Vulnerability

.NET Framework Remote Code Execution Vulnerability

Microsoft Security Advisory CVE-2022-41089: .NET Remote Code Execution Vulnerability

<a name="executive-summary"></a>Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET Core 3.1, .NET 6.0., and .NET 7.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

A remote code execution vulnerability exists in .NET Core 3.1, .NET 6.0, and .NET 7.0, where a malicious actor could cause a user to run arbitrary code as a result of parsing maliciously crafted xps files.

Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/242

<a name="mitigation-factors"></a>Mitigation factors

Microsoft has not identified any mitigating factors for this vulnerability.

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

• Any .NET 7.0 WinForms or WPF application running on .NET 7.0.0 or earlier.
• Any .NET 6.0 WinForms or WPF application running on .NET 6.0.11 or earlier.
• Any .NET Core 3.1 WinForms or WPF application running on .NET 3.1.31 or earlier.

If the application does not utilize WinForms or WPF, it is not affected by this vulnerability.

Applications targeting Mac, Linux, Android, iOS, and other non-Windows platforms are not affected by this vulnerability.

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 ------------ | ---------------- | ------------------------- Microsoft.WindowsDesktop.App.Runtime.win-x64|>= 3.1.0, <= 3.1.31|3.1.32 Microsoft.WindowsDesktop.App.Runtime.win-x86|>= 3.1.0, <= 3.1.31|3.1.32

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

Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.WindowsDesktop.App.Runtime.win-arm64|>= 6.0.0, <= 6.0.11|6.0.12 Microsoft.WindowsDesktop.App.Runtime.win-x64|>= 6.0.0, <= 6.0.11|6.0.12 Microsoft.WindowsDesktop.App.Runtime.win-x86|>= 6.0.0, <= 6.0.11|6.0.12

<a name=".NET 7"></a>.NET 7

Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.WindowsDesktop.App.Runtime.win-arm64|>= 7.0.0, <= 7.0.0|7.0.1 Microsoft.WindowsDesktop.App.Runtime.win-x64|>= 7.0.0, <= 7.0.0|7.0.1 Microsoft.WindowsDesktop.App.Runtime.win-x86|>= 7.0.0, <= 7.0.0|7.0.1

Advisory FAQ

<a name="how-affected"></a>How do I know if I am affected?

If you have a runtime or SDK with a version listed, or an affected package listed in affected software, you're exposed to the vulnerability.

<a name="how-fix"></a>How do I fix the issue?

• To fix the issue please install the latest version of .NET 7.0, .NET 6.0 or .NET Core 3.1. 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 have .NET Core 3.1 or greater installed, you can list the versions you have installed by running the dotnet --info command. You will see output like the following;
• If you are using one of the affected packages, please update to the patched version listed above.

.NET Core SDK (reflecting any…

.NET Framework Remote Code Execution Vulnerability

.NET Framework Remote Code Execution Vulnerability

Microsoft Security Advisory CVE-2022-41089: .NET Remote Code Execution Vulnerability

<a name="executive-summary"></a>Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET Core 3.1, .NET 6.0., and .NET 7.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

A remote code execution vulnerability exists in .NET Core 3.1, .NET 6.0, and .NET 7.0, where a malicious actor could cause a user to run arbitrary code as a result of parsing maliciously crafted xps files.

Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/242

<a name="mitigation-factors"></a>Mitigation factors

Microsoft has not identified any mitigating factors for this vulnerability.

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

• Any .NET 7.0 WinForms or WPF application running on .NET 7.0.0 or earlier.
• Any .NET 6.0 WinForms or WPF application running on .NET 6.0.11 or earlier.
• Any .NET Core 3.1 WinForms or WPF application running on .NET 3.1.31 or earlier.

If the application does not utilize WinForms or WPF, it is not affected by this vulnerability.

Applications targeting Mac, Linux, Android, iOS, and other non-Windows platforms are not affected by this vulnerability.

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 ------------ | ---------------- | ------------------------- Microsoft.WindowsDesktop.App.Runtime.win-x64|>= 3.1.0, <= 3.1.31|3.1.32 Microsoft.WindowsDesktop.App.Runtime.win-x86|>= 3.1.0, <= 3.1.31|3.1.32

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

Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.WindowsDesktop.App.Runtime.win-arm64|>= 6.0.0, <= 6.0.11|6.0.12 Microsoft.WindowsDesktop.App.Runtime.win-x64|>= 6.0.0, <= 6.0.11|6.0.12 Microsoft.WindowsDesktop.App.Runtime.win-x86|>= 6.0.0, <= 6.0.11|6.0.12

<a name=".NET 7"></a>.NET 7

Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- Microsoft.WindowsDesktop.App.Runtime.win-arm64|>= 7.0.0, <= 7.0.0|7.0.1 Microsoft.WindowsDesktop.App.Runtime.win-x64|>= 7.0.0, <= 7.0.0|7.0.1 Microsoft.WindowsDesktop.App.Runtime.win-x86|>= 7.0.0, <= 7.0.0|7.0.1

Advisory FAQ

<a name="how-affected"></a>How do I know if I am affected?

If you have a runtime or SDK with a version listed, or an affected package listed in affected software, you're exposed to the vulnerability.

<a name="how-fix"></a>How do I fix the issue?

• To fix the issue please install the latest version of .NET 7.0, .NET 6.0 or .NET Core 3.1. 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 have .NET Core 3.1 or greater installed, you can list the versions you have installed by running the dotnet --info command. You will see output like the following;
• If you are using one of the affected packages, please update to the patched version listed above.

.NET Core SDK (reflecting any…