CVE-2012-6496: Ruby on Rails find_by_* Methods Authlogic SQL Injection Bypass

January 3, 2013 (updated August 8, 2019)

Due to the way dynamic finders in Active Record extract options from method parameters, a method parameter can mistakenly be used as a scope. Carefully crafted requests can use the scope to inject arbitrary SQL.

References

github.com/rails/rails/commit/c42f548960fe2359571e62748bf7b92f4fa22f66
github.com/rubysec/ruby-advisory-db/blob/master/gems/activerecord/OSVDB-88661.yml
groups.google.com/forum/

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