bugtraq - JAF CMS 4.0 RC1 multiple vulnerabilities

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Date: 26 Sep 2006 20:16:53 -0000
From: nanoymaster@...il.com
To: bugtraq@...urityfocus.com
Subject: JAF CMS 4.0 RC1 multiple vulnerabilities

##################################################################################
##                                          ##          _    _  _    _          ##
##   Hacker:  NanoyMaster                   ##       /||  \ | || \  / ||\       ##
##   Exploit: JAF CMS                       ##      / || |\\| ||  \/  || \      ##
##   Version: 4.0 RC1                       ##      \ || | \  || |\/| || /      ##
##                                          ##       \||_|  \_||_|  |_||/       ##
##################################################################################
##   vulnerabilities:	XSS in shoutbox                                         ##
##                      PHP execution                                           ##
##                      XSS in forum                                            ##
##                                                                              ##
##################################################################################
##                             \m/___Props___\m/                                ##
##                                 z3r0phr34k                                   ##
##                               System_Meltdown                                ##
##                              THK-GEO & THK-h3x                               ##
##                             All of Exploitarians                             ##
##################################################################################


//------------------------------------------------------------------------------//
//                                  XSS in shoutbox                             //
//------------------------------------------------------------------------------//

Self explanitory... in the message body put: <script>alert('hi')</script>

Error:  module/shout/jafshout.php
 Line:  168 - 202

187 - 191 {
$message = preg_replace('/"/','',$_POST['message']);
$message = preg_replace("/>/","&gt;",$_POST['message']);
$message = preg_replace("/</","&lt;",$_POST['message']);
$message = str_replace("onmouse","",$_POST['message']);
$message = str_replace("/\/","edited",$_POST['message']);
}

change the relevent lines to look like the following, bar the first $_POST['message'].

187 - 191 {
$message = preg_replace('/"/','',$message);
$message = preg_replace("/>/","&gt;",$message);
$message = preg_replace("/</","&lt;",$message);
$message = str_replace("onmouse","",$message);
$message = str_replace("/\/","edited",$message);
}
etc etc.

*note* 
	This should be implemented on all of the variables stored to the flat-file
	module/files/shout 
*end note*


//------------------------------------------------------------------------------//
//                                  PHP execution                               //
//------------------------------------------------------------------------------//

Yet again in the shoutbox type something like:

Windoze) <?php system(dir); ?>  
  Linux) <?php system(ls -la); ?>
  
you could see how usefull this could be ;) possably overwright admin/data_inc.php
(where the admin's password hash is) :p
  
Error: module/shout/jafshout.php
 Line: 168 - 202
Patch: (see above code)


//------------------------------------------------------------------------------//
//                                  XSS in forum                                //
//------------------------------------------------------------------------------//

Self explanitory... in the message body put: <script>alert('hi')</script>

Error:  module/forum/topicwin.php
 Line:  112- 123

112 - 117 {
        $n_topic["name"]=$name;
        $n_topic["email"]=$email;
        $n_topic["title"]=$title;
        $n_topic["date"]=$date;
        $n_topic["ldate"]=$date;
        $n_topic["lname"]=$name;
}

change the relevent lines to look like the following.

112 - 117 {
        $n_topic["name"]=htmlentities($name, ENT_QUOTES);
        $n_topic["email"]=htmlentities($email, ENT_QUOTES);
        $n_topic["title"]=htmlentities($title, ENT_QUOTES);
        $n_topic["date"]=htmlentities($date, ENT_QUOTES);
        $n_topic["ldate"]=htmlentities($date, ENT_QUOTES);
        $n_topic["lname"]=htmlentities($name, ENT_QUOTES);        
}
etc etc.

//------------------------------------------------------------------------------//
//                               End                                            //
//------------------------------------------------------------------------------//