1. Ubuntu Security Notices
  2. USN-5798-1

USN-5798-1: .NET 6 vulnerability

Publication date

10 January 2023

Overview

dotnet6 could be made to crash if it received specially crafted network traffic.

Releases

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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.10 kinetic 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
22.04 jammy 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

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References

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