Ruby on Rails Improper Access Control Vulnerability - CVE-2016-6317
Action Record in Ruby on Rails 4.2.x before 4.2.7.1 does not properly consider differences in parameter handling between the Active Record component and the JSON implementation which allows remote attackers to bypass intended database-query restrictions and perform NULL checks or trigger missing WHERE clauses via a crafted request as demonstrated by certain quotnilquot values a related issue to CVE-2012-2660 CVE-2012-2694 and CVE-2013-0155.