USN-6773-1: .NET vulnerabilities

Releases

• Ubuntu 24.04 LTS
• Ubuntu 23.10
• Ubuntu 22.04 LTS

Packages

• dotnet7 - .NET CLI tools and runtime
• dotnet8 - .NET CLI tools and runtime

Details

It was discovered that .NET did not properly handle memory in it's
Double Parse routine. An attacker could possibly use this issue to
achieve remote code execution. (CVE-2024-30045)

It was discovered that .NET did not properly handle the usage of a
shared resource. An attacker could possibly use this to cause a dead-lock
condition, resulting in a denial of service. (CVE-2024-30046)

Update instructions

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

Ubuntu 24.04

• aspnetcore-runtime-8.0 - 8.0.5-0ubuntu1~24.04.1
• dotnet-host-8.0 - 8.0.5-0ubuntu1~24.04.1
• dotnet-hostfxr-8.0 - 8.0.5-0ubuntu1~24.04.1
• dotnet-runtime-8.0 - 8.0.5-0ubuntu1~24.04.1
• dotnet-sdk-8.0 - 8.0.105-0ubuntu1~24.04.1
• dotnet8 - 8.0.105-8.0.5-0ubuntu1~24.04.1

Ubuntu 23.10

• aspnetcore-runtime-7.0 - 7.0.119-0ubuntu1~23.10.1
• aspnetcore-runtime-8.0 - 8.0.5-0ubuntu1~23.10.1
• dotnet-host-7.0 - 7.0.119-0ubuntu1~23.10.1
• dotnet-host-8.0 - 8.0.5-0ubuntu1~23.10.1
• dotnet-hostfxr-7.0 - 7.0.119-0ubuntu1~23.10.1
• dotnet-hostfxr-8.0 - 8.0.5-0ubuntu1~23.10.1
• dotnet-runtime-7.0 - 7.0.119-0ubuntu1~23.10.1
• dotnet-runtime-8.0 - 8.0.5-0ubuntu1~23.10.1
• dotnet-sdk-7.0 - 7.0.119-0ubuntu1~23.10.1
• dotnet-sdk-8.0 - 8.0.105-0ubuntu1~23.10.1
• dotnet7 - 7.0.119-0ubuntu1~23.10.1
• dotnet8 - 8.0.105-8.0.5-0ubuntu1~23.10.1

Ubuntu 22.04

• aspnetcore-runtime-7.0 - 7.0.119-0ubuntu1~22.04.1
• aspnetcore-runtime-8.0 - 8.0.5-0ubuntu1~22.04.1
• dotnet-host-7.0 - 7.0.119-0ubuntu1~22.04.1
• dotnet-host-8.0 - 8.0.5-0ubuntu1~22.04.1
• dotnet-hostfxr-7.0 - 7.0.119-0ubuntu1~22.04.1
• dotnet-hostfxr-8.0 - 8.0.5-0ubuntu1~22.04.1
• dotnet-runtime-7.0 - 7.0.119-0ubuntu1~22.04.1
• dotnet-runtime-8.0 - 8.0.5-0ubuntu1~22.04.1
• dotnet-sdk-7.0 - 7.0.119-0ubuntu1~22.04.1
• dotnet-sdk-8.0 - 8.0.105-0ubuntu1~22.04.1
• dotnet7 - 7.0.119-0ubuntu1~22.04.1
• dotnet8 - 8.0.105-8.0.5-0ubuntu1~22.04.1

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

References

• CVE-2024-30045
• CVE-2024-30046