Safari in Apple iOS before 8 does not properly restrict the autofilling of passwords in forms, which allows remote attackers to obtain sensitive information via (1) an http web site, (2) an https web site with an unacceptable X.509 certificate, or (3) an IFRAME element.
https://exchange.xforce.ibmcloud.com/vulnerabilities/96075
http://www.securitytracker.com/id/1030866
http://www.securityfocus.com/bid/69909
http://www.securityfocus.com/bid/69882
http://support.apple.com/kb/HT6441
http://support.apple.com/kb/HT6440
http://secunia.com/advisories/61306
http://archives.neohapsis.com/archives/bugtraq/2014-09/0106.html