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.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9753
Reference (s):
- http://karmainsecurity.com/KIS-2015-06
- http://seclists.org/fulldisclosure/2015/Nov/11
- http://update.atutor.ca/patch/2_2/2_2-6/patch.xml
- http://www.securityfocus.com/archive/1/archive/1/536835/100/0/threaded
- https://github.com/atutor/ATutor/commit/950a0299954e69b8742cc1f1a632f564435d4d7d