Ensure Azure App Service Web app uses the latest .Net Core version

Error: Azure App Service Web app does not use the latest .Net Core version

Bridgecrew Policy ID: BC_AZR_GENERAL_57
Checkov Check ID: CKV_AZURE_80
Severity: LOW

Azure App Service Web app does not use the latest .Net Core version

Description

Azure App Service web applications developed with the .NET software stack should use the latest available version of .NET to ensure the latest security fixes are in use.

Fix - Buildtime

Terraform

  • Resource: azurerm_app_service
  • Argument: dotnet_framework_version - (Optional) The version of the .net framework's CLR used in this App Service. Possible values are v2.0 (which will use the latest version of the .net framework for the .net CLR v2 - currently .net 3.5), v4.0 (which corresponds to the latest version of the .net CLR v4 - which at the time of writing is .net 4.7.1) and v5.0.
resource "azurerm_app_service" "example" {
  ...
  site_config {
+   dotnet_framework_version = "v4.0"
    ...
  }
}

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