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

ubuntu

July 10, 2024

Several security issues were fixed in dotnet6, dotnet8.

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 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.