USN-5798-1: .NET 6 vulnerability

Releases

• Ubuntu 22.10
• Ubuntu 22.04 LTS

Packages

• dotnet6 - dotNET CLI tools and runtime

Details

Johan Gorter discovered that .NET 6 incorrectly processed certain
invalid HTTP requests. An attacker could possibly use this issue to
cause a denial of service condition for an exposed endpoint.

Update instructions

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

Ubuntu 22.10

• aspnetcore-runtime-6.0 - 6.0.113-0ubuntu1~22.10.1
• dotnet-hostfxr-6.0 - 6.0.113-0ubuntu1~22.10.1
• dotnet6 - 6.0.113-0ubuntu1~22.10.1
• dotnet-runtime-6.0 - 6.0.113-0ubuntu1~22.10.1
• dotnet-sdk-6.0 - 6.0.113-0ubuntu1~22.10.1
• dotnet-host - 6.0.113-0ubuntu1~22.10.1

Ubuntu 22.04

• aspnetcore-runtime-6.0 - 6.0.113-0ubuntu1~22.04.1
• dotnet-hostfxr-6.0 - 6.0.113-0ubuntu1~22.04.1
• dotnet6 - 6.0.113-0ubuntu1~22.04.1
• dotnet-runtime-6.0 - 6.0.113-0ubuntu1~22.04.1
• dotnet-sdk-6.0 - 6.0.113-0ubuntu1~22.04.1
• dotnet-host - 6.0.113-0ubuntu1~22.04.1

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

References

• CVE-2023-21538