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Ubuntu 22.04 LTS: USN-5670-1 Critical: .NET 6 Arbitrary Code Execution

ubuntu
Calendar Grey October 11, 2022
Dist Ubuntu Esm H88
Worried about security flaws in .NET 6? Upgrade Ubuntu to mitigate risks of arbitrary code execution. Discover how!
.NET 6 could be made to execute arbitrary code.

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.

Topics%20covered

Topics Covered

security advisory critical arbitrary code execution Ubuntu dotnet6

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
critical
Lowest
Low
Medium
High
Critical

October 11, 2022

Topics%20covered

Topics Covered

security advisory critical arbitrary code execution Ubuntu dotnet6

Package Information

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

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