Small MSSQL Server Audit Retention

• Query id: 59acb56b-2b10-4c2c-ba38-f2223c3f5cfc
• Query name: Small MSSQL Server Audit Retention
• Platform: Terraform
• Severity: Medium
• Category: Observability
• URL: Github

Description

Make sure for SQL Servers that Auditing Retention is greater than 90 days
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - tf file

resource "azurerm_sql_database" "positive1" {
  name                = "myexamplesqldatabase"
  resource_group_name = azurerm_resource_group.example.name
  location            = "West US"
  server_name         = azurerm_sql_server.example.name

  extended_auditing_policy {
    storage_endpoint                        = azurerm_storage_account.example.primary_blob_endpoint
    storage_account_access_key              = azurerm_storage_account.example.primary_access_key
    storage_account_access_key_is_secondary = true
  }

  tags = {
    environment = "production"
  }
}

resource "azurerm_sql_database" "positive2" {
  name                = "myexamplesqldatabase"
  resource_group_name = azurerm_resource_group.example.name
  location            = "West US"
  server_name         = azurerm_sql_server.example.name

  extended_auditing_policy {
    storage_endpoint                        = azurerm_storage_account.example.primary_blob_endpoint
    storage_account_access_key              = azurerm_storage_account.example.primary_access_key
    storage_account_access_key_is_secondary = true
    retention_in_days                       = 90
  }

  tags = {
    environment = "production"
  }
}

resource "azurerm_sql_database" "positive3" {
  name                = "myexamplesqldatabase"
  resource_group_name = azurerm_resource_group.example.name
  location            = "West US"
  server_name         = azurerm_sql_server.example.name

  extended_auditing_policy {
    storage_endpoint                        = azurerm_storage_account.example.primary_blob_endpoint
    storage_account_access_key              = azurerm_storage_account.example.primary_access_key
    storage_account_access_key_is_secondary = true
    retention_in_days                       = 0
  }

  tags = {
    environment = "production"
  }
}

resource "azurerm_sql_server" "positive4" {
    name                         = "sqlserver"
    resource_group_name          = azurerm_resource_group.example.name
    location                     = azurerm_resource_group.example.location
    version                      = "12.0"
    administrator_login          = "mradministrator"
    administrator_login_password = "thisIsDog11"

    extended_auditing_policy {
      storage_endpoint            = azurerm_storage_account.example.primary_blob_endpoint
      storage_account_access_key  = azurerm_storage_account.example.primary_access_key
      storage_account_access_key_is_secondary = true
      retention_in_days                       = 20
    }
}

Code samples without security vulnerabilities

Negative test num. 1 - tf file

resource "azurerm_sql_database" "negative1" {
  name                = "myexamplesqldatabase"
  resource_group_name = azurerm_resource_group.example.name
  location            = "West US"
  server_name         = azurerm_sql_server.example.name

  extended_auditing_policy {
    storage_endpoint                        = azurerm_storage_account.example.primary_blob_endpoint
    storage_account_access_key              = azurerm_storage_account.example.primary_access_key
    storage_account_access_key_is_secondary = true
    retention_in_days                       = 91
  }

  tags = {
    environment = "production"
  }
}

resource "azurerm_sql_database" "negative2" {
  name                = "myexamplesqldatabase"
  resource_group_name = azurerm_resource_group.example.name
  location            = "West US"
  server_name         = azurerm_sql_server.example.name

  extended_auditing_policy {
    storage_endpoint                        = azurerm_storage_account.example.primary_blob_endpoint
    storage_account_access_key              = azurerm_storage_account.example.primary_access_key
    storage_account_access_key_is_secondary = true
    retention_in_days                       = 214
  }

  tags = {
    environment = "production"
  }
}

resource "azurerm_sql_database" "negative3" {
  name                = "myexamplesqldatabase"
  resource_group_name = azurerm_resource_group.example.name
  location            = "West US"
  server_name         = azurerm_sql_server.example.name

  extended_auditing_policy {
    storage_endpoint                        = azurerm_storage_account.example.primary_blob_endpoint
    storage_account_access_key              = azurerm_storage_account.example.primary_access_key
    storage_account_access_key_is_secondary = true
    retention_in_days                       = 30000
  }

  tags = {
    environment = "production"
  }
}

resource "azurerm_sql_database" "negative4" {
  name                = "myexamplesqldatabase"
  resource_group_name = azurerm_resource_group.example.name
  location            = "West US"
  server_name         = azurerm_sql_server.example.name

  extended_auditing_policy {
    storage_endpoint                        = azurerm_storage_account.example.primary_blob_endpoint
    storage_account_access_key              = azurerm_storage_account.example.primary_access_key
    storage_account_access_key_is_secondary = true
    retention_in_days                       = 900
  }

  tags = {
    environment = "production"
  }
}

resource "azurerm_sql_server" "negative5" {
    name                         = "sqlserver"
    resource_group_name          = azurerm_resource_group.example.name
    location                     = azurerm_resource_group.example.location
    version                      = "12.0"
    administrator_login          = "mradministrator"
    administrator_login_password = "thisIsDog11"

    extended_auditing_policy {
      storage_endpoint            = azurerm_storage_account.example.primary_blob_endpoint
      storage_account_access_key  = azurerm_storage_account.example.primary_access_key
      storage_account_access_key_is_secondary = true
      retention_in_days                       = 95
    }
}