# Concourse CI Info Endpoint Exposure Detection Module

id: concourse-info-exposure
info:
  name: Concourse CI Info Exposure
  author: sif
  severity: medium
  description: Detects a Concourse CI server that discloses its server and worker versions and external url over the unauthenticated info api
  tags: [concourse, ci, cd, pipeline, build, fingerprint, version, recon]

type: http

http:
  method: GET
  paths:
    - "{{BaseURL}}/api/v1/info"

  matchers:
    - type: word
      part: body
      words:
        - "\"version\""
        - "\"worker_version\""
        - "\"external_url\""
      condition: and

    - type: status
      status:
        - 200

  extractors:
    - type: regex
      name: concourse_version
      part: body
      regex:
        - '"version"\s*:\s*"([^"]+)"'
      group: 1