CloudFormation Termination Protection - Disabled

ID: stack-termination-disabled

Severity: medium

Author: DhiyaneshDK

Tags: cloud,devops,aws,amazon,cloudformation,aws-cloud-config

Description

Ensure that Termination Protection safety feature is enabled for your Amazon CloudFormation stacks in order to protect them from being accidentally deleted.

YAML Source

id: stack-termination-disabled

info:
  name: CloudFormation Termination Protection - Disabled
  author: DhiyaneshDK
  severity: medium
  description: |
    Ensure that Termination Protection safety feature is enabled for your Amazon CloudFormation stacks in order to protect them from being accidentally deleted.
  impact: |
    Disabled termination protection increases the risk of accidental deletion of critical CloudFormation stacks.
  remediation: |
    Enable termination protection for critical CloudFormation stacks by setting TerminationProtection to true in the stack settings, preventing accidental deletions.
  reference:
    - https://www.trendmicro.com/cloudoneconformity-staging/knowledge-base/aws/CloudFormation/stack-termination-protection.html
    - http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-protect-stacks.html
  tags: cloud,devops,aws,amazon,cloudformation,aws-cloud-config

variables:
  region: "us-west-2"

flow: |
  code(1)
  for(let StackSummaries of iterate(template.stacksummaries)){
    set("stacksummary", StackSummaries)
    code(2)
  }

self-contained: true

code:
  - engine:
      - sh
      - bash
    source: |
      aws cloudformation list-stacks --region $region --stack-status-filter CREATE_COMPLETE --output json --query 'StackSummaries[*].StackName'

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

  - engine:
      - sh
      - bash
    source: |
        aws cloudformation describe-stacks --region $region --stack-name $stacksummary --query 'Stacks[*].EnableTerminationProtection' --output json

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

    extractors:
      - type: dsl
        dsl:
          - '"CloudFormation Termination Protection " + stacksummary + " is Disabled"'
# digest: 4b0a004830460221008a2e3415182e202a607c9e30aa6cbac326038dd23f1209a7c133a713cc21b2730221009f32c2fb6c20a62e81094b8fbe1ad127c36237c9c6c813edf579d3c7ddc2983c:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "cloud/aws/cloudformation/stack-termination-disabled.yaml"

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