elb-delete-protection-disabled: ELB Delete Protection - Disabled

id: elb-delete-protection-disabled

info:
  name: ELB Delete Protection - Disabled
  author: DhiyaneshDK
  severity: medium
  description: |
    Ensure that Deletion Protection safety feature is enabled for your Amazon Gateway Load Balancers (GWLBs) in order to protect the load balancers from being accidentally deleted.
  impact: |
    Disabling delete protection on an Elastic Load Balancer (ELB) increases the risk of accidental or intentional deletion of the load balancer.
  remediation: |
    Enable Server-Side Encryption (SSE) on the queue to protect sensitive data by encrypting it at rest using AWS KMS.
  reference:
    - https://www.trendmicro.com/cloudoneconformity-staging/knowledge-base/aws/ELBv2/enable-gwlb-deletion-protection.html
    - https://awscli.amazonaws.com/v2/documentation/api/latest/reference/elbv2/index.html
  tags: cloud, devops, aws, amazon, elb, aws-cloud-config

variables:
  region: "us-west-2"

flow: |
  code(1)
  for (let LoadBalancer of iterate(template.loadbalancers)) {
    set("loadbalancer", LoadBalancer)
    code(2)
  }

self-contained: true

code:
  - engine:
      - sh
      - bash
    source: |
      aws elbv2 describe-load-balancers --region $region --query 'LoadBalancers[*].LoadBalancerArn' --output json

    extractors:
      - type: json
        name: loadbalancers
        internal: true
        json:
          - '.[]'

  - engine:
      - sh
      - bash

    source: |
      aws elbv2 describe-load-balancer-attributes --region $region --load-balancer-arn $loadbalancer --query 'Attributes[?(Key == `deletion_protection.enabled`)].Value | []'

    matchers:
      - type: word
        words:
          - '"false"'

    extractors:
      - type: dsl
        dsl:
          - '"ELB Delete Protection " + loadbalancer + " is Disabled"'
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