Expired ACM Certificates

ID: acm-cert-expired

Severity: high

Author: princechaddha

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

Description

Ensure removal of expired SSL/TLS certificates in AWS Certificate Manager to comply with Amazon Security Best Practices.

YAML Source

id: acm-cert-expired
info:
  name: Expired ACM Certificates
  author: princechaddha
  severity: high
  description: |
    Ensure removal of expired SSL/TLS certificates in AWS Certificate Manager to comply with Amazon Security Best Practices.
  impact: |
    Expired certificates can lead to service interruptions and expose applications to man-in-the-middle attacks.
  remediation: |
    Regularly review ACM for expired certificates and delete them or replace with updated versions.
  reference:
    - https://docs.aws.amazon.com/acm/latest/userguide/acm-certificate.html
  tags: cloud,devops,aws,amazon,acm,aws-cloud-config

variables:
  region: "us-east-1"

self-contained: true
code:
  - engine:
      - sh
      - bash
    source: |
      aws acm list-certificates --region $region --certificate-statuses EXPIRED

    matchers:
      - type: word
        words:
          - 'CertificateArn'

    extractors:
      - type: json
        name: certificatearn
        json:
          - '.CertificateSummaryList[] | .CertificateArn'

      - type: dsl
        dsl:
          - 'region + " AWS region have expired SSL/TLS certificates"'
# digest: 4a0a0047304502207c3e71e79a28c959cf8f3595a0f9e9ec0d767a45145e7ad17689021ba4f696ed022100a2e40286c09afd8ef29dac3b6de54a7ecc1fd0475655955f7a25fc6b1c9864d9:922c64590222798bb761d5b6d8e72950

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/acm/acm-cert-expired.yaml"

View on Github