Spree Commerce 1.0.x before 2.0.0.rc1 allows remote authenticated administrators to instantiate arbitrary Ruby objects and execute arbitrary commands via the (1) payment_method
parameter to core/app/controllers/spree/admin/payment_methods_controller.rb
; and the (2) promotion_action parameter
to promotion_actions_controller.rb
, (3) promotion_rule parameter
to promotion_rules_controller.rb
, and (4) calculator_type
parameter to promotions_controller.rb
in promo/app/controllers/spree/admin/
, related to unsafe use of the constantize function.