Ubuntu 5670-1: .NET 6 vulnerability | LinuxSecurity.com
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Ubuntu Security Notice USN-5670-1
October 11, 2022

dotnet6 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS

Summary:

.NET 6 could be made to execute arbitrary code.

Software Description:
- dotnet6: dotNET CLI tools and runtime

Details:

Edward Thomson discovered that .NET 6 incorrectly handled
permissions for local NuGet cache. A local attacker could
possibly use this issue to execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
   aspnetcore-runtime-6.0          6.0.110-0ubuntu1~22.04.1
   dotnet-host                             6.0.110-0ubuntu1~22.04.1
   dotnet-hostfxr-6.0                   6.0.110-0ubuntu1~22.04.1
   dotnet-runtime-6.0                 6.0.110-0ubuntu1~22.04.1
   dotnet-sdk-6.0                       6.0.110-0ubuntu1~22.04.1
   dotnet6                                  6.0.110-0ubuntu1~22.04.1

In general, a standard system update will make all the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-5670-1
   CVE-2022-41032

Package Information:
   https://launchpad.net/ubuntu/+source/dotnet6/6.0.110-0ubuntu1~22.04.1

Ubuntu 5670-1: .NET 6 vulnerability

October 11, 2022

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS Summary: .NET 6 could be made to execute arbitrary code. Software Description: - dotnet6: dotNET CLI tools and runtime Details: Edward Thomson discovered that .NET 6 incorrectly handled permissions for local NuGet cache. A local attacker could possibly use this issue to execute arbitrary code.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: aspnetcore-runtime-6.0 6.0.110-0ubuntu1~22.04.1 dotnet-host 6.0.110-0ubuntu1~22.04.1 dotnet-hostfxr-6.0 6.0.110-0ubuntu1~22.04.1 dotnet-runtime-6.0 6.0.110-0ubuntu1~22.04.1 dotnet-sdk-6.0 6.0.110-0ubuntu1~22.04.1 dotnet6 6.0.110-0ubuntu1~22.04.1 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5670-1

CVE-2022-41032

Severity
Ubuntu Security Notice USN-5670-1

Package Information

https://launchpad.net/ubuntu/+source/dotnet6/6.0.110-0ubuntu1~22.04.1

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