USN-6889-1: .NET vulnerabilities

Releases

• Ubuntu 24.04 LTS
• Ubuntu 23.10
• Ubuntu 22.04 LTS

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)

Update instructions

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

Ubuntu 24.04

• 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

Ubuntu 23.10

• 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

Ubuntu 22.04

• 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

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

References

• CVE-2024-38095
• CVE-2024-30105
• CVE-2024-35264