# Apache Hadoop YARN API Exposure Detection Module

id: hadoop-yarn-api-exposure
info:
  name: Apache Hadoop YARN API Exposure
  author: sif
  severity: high
  description: Detects an exposed Hadoop YARN resource manager api reachable without authentication
  tags: [hadoop, yarn, apache, cluster, api, exposure, recon]

type: http

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

  matchers:
    - type: status
      status:
        - 200

    - type: word
      part: body
      words:
        - "\"clusterInfo\""

    - type: word
      part: body
      words:
        - "\"resourceManagerVersion\""

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