terraform.azure.security.azure-batchaccount-uses-keyvault-encrpytion.azure-batchaccount-uses-keyvault-encrpytion

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Ensure that Azure Batch account uses key vault to encrypt data

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Defintion

rules:
  - id: azure-batchaccount-uses-keyvault-encrpytion
    message: Ensure that Azure Batch account uses key vault to encrypt data
    patterns:
      - pattern: resource
      - pattern-not-inside: |
          resource "azurerm_batch_account" "..." {
          ...
          key_vault_reference {
            ...
          }
          ...
          }
      - pattern-inside: |
          resource "azurerm_batch_account" "..." {
          ...
          }
    metadata:
      owasp:
        - A03:2017 - Sensitive Data Exposure
      cwe:
        - "CWE-320: CWE CATEGORY: Key Management Errors"
      category: security
      technology:
        - terraform
        - azure
      references:
        - https://owasp.org/Top10/A02_2021-Cryptographic_Failures
      subcategory:
        - audit
      likelihood: LOW
      impact: LOW
      confidence: LOW
      license: Commons Clause License Condition v1.0[LGPL-2.1-only]
      vulnerability_class:
        - Cryptographic Issues
    languages:
      - hcl
    severity: WARNING

Examples

azure-batchaccount-uses-keyvault-encrpytion.tf

# fail
# ruleid: azure-batchaccount-uses-keyvault-encrpytion
resource "azurerm_batch_account" "example" {
    name                 = "testbatchaccount"
    resource_group_name  = azurerm_resource_group.example.name
    location             = azurerm_resource_group.example.location
    pool_allocation_mode = "BatchService"
    storage_account_id   = azurerm_storage_account.example.id

    tags = {
    env = "test"
    }
}

# pass
resource "azurerm_batch_account" "example" {
    name                 = "testbatchaccount"
    resource_group_name  = azurerm_resource_group.example.name
    location             = azurerm_resource_group.example.location
    pool_allocation_mode = "BatchService"
    storage_account_id   = azurerm_storage_account.example.id
    key_vault_reference {
    id = "test"
    url = "https://test.com"
    }

    tags = {
    env = "test"
    }
}