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Ubuntu Security Notice USN-5670-1

Ubuntu Security Notice USN-5670-1
Posted Oct 12, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5670-1 - 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.

tags | advisory, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2022-41032
SHA-256 | 8016fe9c7d99b33e9a66ecaa586b72dcc117f02293228f52fe6d0f69189acc8a

Ubuntu Security Notice USN-5670-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5670-1
October 11, 2022

dotnet6 vulnerability
==========================================================================

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
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