mcp-server-semgrep/semgrep-rules/terraform/aws/security/aws-ec2-launch-configuration-root-block-device-unencrypted.yml

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rules:
- id: aws-ec2-launch-configuration-root-block-device-unencrypted
  patterns:
    - pattern: |
        resource "aws_launch_configuration" $ANYTHING {
          ...
        }
    - pattern-not-inside: |
        resource "aws_launch_configuration" $ANYTHING {
          ...
          root_block_device {
            ...
            encrypted = true
            ...
          }
          ...
        }
  message: >-
    The AWS launch configuration root block device is unencrypted. The block device
    could be read if compromised. Block devices should be encrypted to ensure sensitive
    data is held securely at rest.
  languages:
  - hcl
  severity: WARNING
  metadata:
    category: security
    technology:
    - terraform
    - aws
    owasp:
    - A03:2017 - Sensitive Data Exposure
    - A04:2021 - Insecure Design
    cwe:
    - 'CWE-311: Missing Encryption of Sensitive Data'
    references:
    - https://owasp.org/Top10/A04_2021-Insecure_Design
    - https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/launch_configuration#block-devices
    - https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/RootDeviceStorage.html
    subcategory:
    - audit
    likelihood: LOW
    impact: HIGH
    confidence: LOW
    rule-origin-note: published from /src/aws-ec2-launch-configuration-block-device-unencrypted.yml
      in None