1. Ubuntu Security Notices
  2. USN-5609-1

USN-5609-1: .NET 6 vulnerability

Publication date

13 September 2022

Overview

.NET 6 could be made to crash if it parsed a specially crafted file.

Releases

Packages

  • dotnet6 - dotNET CLI tools and runtime

Details

Graham Esau discovered that .NET 6 incorrectly parsed certain payloads
during model binding. An attacker could possibly use this issue to
cause a denial of service.

Graham Esau discovered that .NET 6 incorrectly parsed certain payloads
during model binding. An attacker could possibly use this issue to
cause a denial of service.

Update instructions

In general, a standard system update will make all the necessary changes. A restart may be required after the update if any affected files are being used.

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
22.04 jammy aspnetcore-runtime-6.0 –  6.0.109-0ubuntu1~22.04.1
dotnet-hostfxr-6.0 –  6.0.109-0ubuntu1~22.04.1
dotnet6 –  6.0.109-0ubuntu1~22.04.1
dotnet-runtime-6.0 –  6.0.109-0ubuntu1~22.04.1
dotnet-sdk-6.0 –  6.0.109-0ubuntu1~22.04.1
dotnet-host –  6.0.109-0ubuntu1~22.04.1

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References

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