App Service Not Using Latest TLS Encryption Version

Query id: b7b9d1c7-2d3b-49b4-b867-ebbe68d0b643
Query name: App Service Not Using Latest TLS Encryption Version
Platform: Terraform
Severity: High
Category: Encryption
URL: Github

Description¶

Ensure App Service is using the latest version of TLS encryption
Documentation

Code samples¶

Code samples with security vulnerabilities¶

Positive test num. 1 - tf file

resource "azurerm_app_service" "positive1" {
  name                = "example-app-service"
  location            = azurerm_resource_group.example.location
  resource_group_name = azurerm_resource_group.example.name
  app_service_plan_id = azurerm_app_service_plan.example.id

  site_config {
    dotnet_framework_version = "v4.0"
    scm_type                 = "LocalGit"
    min_tls_version = 1.1
  }
}

Code samples without security vulnerabilities¶

Negative test num. 1 - tf file

resource "azurerm_app_service" "negative1" {
  name                = "example-app-service"
  location            = azurerm_resource_group.example.location
  resource_group_name = azurerm_resource_group.example.name
  app_service_plan_id = azurerm_app_service_plan.example.id

  site_config {
    dotnet_framework_version = "v4.0"
    scm_type                 = "LocalGit"
    min_tls_version = 1.2
  }
}

Negative test num. 2 - tf file

resource "azurerm_app_service" "negative1" {
  name                = "example-app-service"
  location            = azurerm_resource_group.example.location
  resource_group_name = azurerm_resource_group.example.name
  app_service_plan_id = azurerm_app_service_plan.example.id

  site_config {
    dotnet_framework_version = "v4.0"
    scm_type                 = "LocalGit"
  }
}

Negative test num. 3 - tf file

resource "azurerm_app_service" "negative3" {
  name                = "example-app-service"
  location            = azurerm_resource_group.example.location
  resource_group_name = azurerm_resource_group.example.name
  app_service_plan_id = azurerm_app_service_plan.example.id
}