==========================================================================
Ubuntu Security Notice USN-6889-1
July 09, 2024

dotnet6, dotnet8 vulnerabilities
==========================================================================

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)

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

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