Web App Accepting Traffic Other Than HTTPS

• Query id: 11e9a948-c6c3-4a0f-8dcf-b5cf1763cdbe
• Query name: Web App Accepting Traffic Other Than HTTPS
• Platform: Terraform
• Severity: Medium
• Category: Insecure Configurations
• CWE: 319
• Risk score: 6.8
• URL: Github

Description

Web app should only accept HTTPS traffic in Azure Web App Service.
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - tf file

resource "azurerm_app_service" "positive1-1" {
  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"
  }

  https_only = false
}

resource "azurerm_app_service" "positive1-2" {
  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"
  }
}

Positive test num. 2 - tf file

resource "azurerm_linux_web_app" "positive2-1" {
  name                = "example-app-service"
  location            = azurerm_resource_group.example.location
  resource_group_name = azurerm_resource_group.example.name
  service_plan_id     = azurerm_linux_web_app_plan.example.id

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

  https_only = false
}

resource "azurerm_linux_web_app" "positive2-2" {
  name                = "example-app-service"
  location            = azurerm_resource_group.example.location
  resource_group_name = azurerm_resource_group.example.name
  service_plan_id = azurerm_linux_web_app_plan.example.id
  site_config {
    dotnet_framework_version = "v4.0"
    scm_type                 = "LocalGit"
  }
}

Positive test num. 3 - tf file

resource "azurerm_windows_web_app" "positive3-1" {
  name                = "example-app-service"
  location            = azurerm_resource_group.example.location
  resource_group_name = azurerm_resource_group.example.name
  service_plan_id     = azurerm_windows_web_app_plan.example.id

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

  https_only = false
}

resource "azurerm_windows_web_app" "positive3-2" {
  name                = "example-app-service"
  location            = azurerm_resource_group.example.location
  resource_group_name = azurerm_resource_group.example.name
  service_plan_id = azurerm_windows_web_app_plan.example.id
  site_config {
    dotnet_framework_version = "v4.0"
    scm_type                 = "LocalGit"
  }
}

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"
  }

  https_only = true
}

Negative test num. 2 - tf file

resource "azurerm_linux_web_app" "negative2" {
  name                = "example-app-service"
  location            = azurerm_resource_group.example.location
  resource_group_name = azurerm_resource_group.example.name
  service_plan_id     = azurerm_app_service_plan.example.id

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

  https_only = true
}

Negative test num. 3 - tf file

resource "azurerm_windows_web_app" "negative3" {
  name                = "example-app-service"
  location            = azurerm_resource_group.example.location
  resource_group_name = azurerm_resource_group.example.name
  service_plan_id     = azurerm_app_service_plan.example.id

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

  https_only = true
}