==========================================================================
Ubuntu Security Notice USN-6773-1
May 16, 2024

dotnet7, 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 .NET.

Software Description:
- dotnet8: .NET CLI tools and runtime
- dotnet7: .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 LTS
   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 LTS
   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:
https://ubuntu.com/security/notices/USN-6773-1 

   CVE-2024-30045, CVE-2024-30046

Package Information:
https://launchpad.net/ubuntu/+source/dotnet8/8.0.105-8.0.5-0ubuntu1~24.04.1 

https://launchpad.net/ubuntu/+source/dotnet7/7.0.119-0ubuntu1~23.10.1 

https://launchpad.net/ubuntu/+source/dotnet8/8.0.105-8.0.5-0ubuntu1~23.10.1 

https://launchpad.net/ubuntu/+source/dotnet7/7.0.119-0ubuntu1~22.04.1 

https://launchpad.net/ubuntu/+source/dotnet8/8.0.105-8.0.5-0ubuntu1~22.04.1