confirm.php in ATutor 2.2 and earlier allows remote attackers to bypass authentication and gain access as an existing user via the auto_login parameter.Referenceshttp://karmainsecurity.com/KIS-2015-06http://www.securityfocus.com/archive/1/archive/1/536835/100/0/threadedhttp://seclists.org/fulldisclosure/2015/Nov/11http://update.atutor.ca/patch/2_2/2_2-6/patch.xmlhttps://github.com/atutor/ATutor/commit/950a0299954e69b8742cc1f1a632f564435d4d7d
