USN-6889-1: .NET vulnerabilities

Publication date

10 July 2024

Overview

Several security issues were fixed in dotnet6, dotnet8.


Packages

  • dotnet6 - .NET CLI tools and runtime
  • dotnet8 - .NET CLI tools and runtime

Details

It was discovered that .NET did not properly handle object
deserialization. An attacker could possibly use this issue to cause
a denial of service. (CVE-2024-30105)

Radek Zikmund discovered that .NET did not properly manage memory. An
attacker could use this issue to cause a denial of service or possibly
execute arbitrary code. (CVE-2024-35264)

It was discovered that .NET did not properly parse X.509 Content and
ObjectIdentifiers. An attacker could possibly use this issue to cause
a denial of service. (CVE-2024-38095)

It was discovered that .NET did not properly handle object
deserialization. An attacker could possibly use this issue to cause
a denial of service. (CVE-2024-30105)

Radek Zikmund discovered that .NET did not properly manage memory. An
attacker could use this issue to cause a denial of service or possibly
execute arbitrary code. (CVE-2024-35264)

It was discovered that .NET did not properly parse X.509 Content and
ObjectIdentifiers. An attacker could possibly use this issue to cause
a denial of service. (CVE-2024-38095)

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
24.04 noble aspnetcore-runtime-8.0 –  8.0.7-0ubuntu1~24.04.1
dotnet-host-8.0 –  8.0.7-0ubuntu1~24.04.1
dotnet-hostfxr-8.0 –  8.0.7-0ubuntu1~24.04.1
dotnet-runtime-8.0 –  8.0.7-0ubuntu1~24.04.1
dotnet-sdk-8.0 –  8.0.107-0ubuntu1~24.04.1
dotnet8 –  8.0.107-8.0.7-0ubuntu1~24.04.1
23.10 mantic aspnetcore-runtime-6.0 –  6.0.132-0ubuntu1~23.10.1
aspnetcore-runtime-8.0 –  8.0.7-0ubuntu1~23.10.1
dotnet-host –  6.0.132-0ubuntu1~23.10.1
dotnet-host-8.0 –  8.0.7-0ubuntu1~23.10.1
dotnet-hostfxr-6.0 –  6.0.132-0ubuntu1~23.10.1
dotnet-hostfxr-8.0 –  8.0.7-0ubuntu1~23.10.1
dotnet-runtime-6.0 –  6.0.132-0ubuntu1~23.10.1
dotnet-runtime-8.0 –  8.0.7-0ubuntu1~23.10.1
dotnet-sdk-6.0 –  6.0.132-0ubuntu1~23.10.1
dotnet-sdk-8.0 –  8.0.107-0ubuntu1~23.10.1
dotnet6 –  6.0.132-0ubuntu1~23.10.1
dotnet8 –  8.0.107-8.0.7-0ubuntu1~23.10.1
22.04 jammy aspnetcore-runtime-6.0 –  6.0.132-0ubuntu1~22.04.1
aspnetcore-runtime-8.0 –  8.0.7-0ubuntu1~22.04.1
dotnet-host –  6.0.132-0ubuntu1~22.04.1
dotnet-host-8.0 –  8.0.7-0ubuntu1~22.04.1
dotnet-hostfxr-6.0 –  6.0.132-0ubuntu1~22.04.1
dotnet-hostfxr-8.0 –  8.0.7-0ubuntu1~22.04.1
dotnet-runtime-6.0 –  6.0.132-0ubuntu1~22.04.1
dotnet-runtime-8.0 –  8.0.7-0ubuntu1~22.04.1
dotnet-sdk-6.0 –  6.0.132-0ubuntu1~22.04.1
dotnet-sdk-8.0 –  8.0.107-0ubuntu1~22.04.1
dotnet6 –  6.0.132-0ubuntu1~22.04.1
dotnet8 –  8.0.107-8.0.7-0ubuntu1~22.04.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›