terraform.aws.security.aws-sagemaker-domain-encrypted-with-cmk.aws-sagemaker-domain-encrypted-with-cmk

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Ensure AWS Sagemaker domains are encrypted at rest using KMS CMKs. CMKs gives you control over the encryption key in terms of access and rotation.

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Defintion

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rules:
  - id: aws-sagemaker-domain-encrypted-with-cmk
    patterns:
      - pattern: |
          resource "aws_sagemaker_domain" $ANYTHING {
            ...
          }
      - pattern-not-inside: |
          resource "aws_sagemaker_domain" $ANYTHING {
            ...
            kms_key_id = ...
            ...
          }
    message: Ensure AWS Sagemaker domains are encrypted at rest using KMS CMKs. CMKs
      gives you control over the encryption key in terms of access and rotation.
    metadata:
      category: security
      technology:
        - terraform
        - aws
      owasp:
        - A03:2017 - Sensitive Data Exposure
      cwe:
        - "CWE-320: CWE CATEGORY: Key Management Errors"
      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

aws-sagemaker-domain-encrypted-with-cmk.tf

resource "aws_sagemaker_domain" "pass" {
  domain_name = "examplea"
  auth_mode   = "IAM"
  vpc_id      = aws_vpc.test.id
  subnet_ids  = [aws_subnet.test.id]
  kms_key_id  = aws_kms_key.test.arn

  default_user_settings {
    execution_role = aws_iam_role.test.arn
  }

  retention_policy {
    home_efs_file_system = "Delete"
  }
}
# ruleid: aws-sagemaker-domain-encrypted-with-cmk
resource "aws_sagemaker_domain" "fail" {
  domain_name = "examplea"
  auth_mode   = "IAM"
  vpc_id      = aws_vpc.test.id
  subnet_ids  = [aws_subnet.test.id]

  default_user_settings {
    execution_role = aws_iam_role.test.arn
  }

  retention_policy {
    home_efs_file_system = "Delete"
  }
}