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Ubuntu 24.04 LTS USN-6889-1 Warning: Serious .NET Denial of Service Bugs

ubuntu
Calendar Grey July 10, 2024
Dist Ubuntu Esm H88
Important patches now accessible for Ubuntu versions 24.04, 23.10, and 22.04, tackling various vulnerabilities found in .NET frameworks.
Several security issues were fixed in dotnet6, dotnet8.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 23.10 - Ubuntu 22.04 LTS Summary: Several security issues were fixed in dotnet6, dotnet8. Software Description: - dotnet8: .NET CLI tools and runtime - dotnet6: .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)

Topics%20covered

Topics Covered

security advisory denial of service critical issue software update Ubuntu dotnet

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS   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 LTS   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

  https://ubuntu.com/security/notices/USN-6889-1

  CVE-2024-30105, CVE-2024-35264, CVE-2024-38095

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6889-1

Topics%20covered

Topics Covered

security advisory denial of service critical issue software update Ubuntu dotnet

Package Information

https://launchpad.net/ubuntu/+source/dotnet8/8.0.107-8.0.7-0ubuntu1~24.04.1 https://launchpad.net/ubuntu/+source/dotnet6/6.0.132-0ubuntu1~23.10.1 https://launchpad.net/ubuntu/+source/dotnet8/8.0.107-8.0.7-0ubuntu1~23.10.1 https://launchpad.net/ubuntu/+source/dotnet6/6.0.132-0ubuntu1~22.04.1 https://launchpad.net/ubuntu/+source/dotnet8/8.0.107-8.0.7-0ubuntu1~22.04.1

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