The clientIp function in CakePHP 3.2.4 and earlier allows remote attackers to spoof their IP via the CLIENT-IP HTTP header.Referenceshttps://support.citrix.com/article/CTX236992https://www.exploit-db.com/exploits/39813/http://legalhackers.com/advisories/CakePHP-IP-Spoofing-Vulnerability.txthttp://www.securityfocus.com/bid/95846https://bakery.cakephp.org/2016/03/13/cakephp_2613_2711_282_3017_3112_325_released.html
