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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2013-1656
• https://web.archive.org/web/20130907044454/https://www.conviso.com.br/advisories/CVE-2013-1656.txt
• https://web.archive.org/web/20140329142330/http://spreecommerce.com/blog/multiple-security-vulnerabilities-fixed
• https://web.archive.org/web/20140618100330/http://blog.conviso.com.br/2013/03/spree-commerce-multiple-unsafe.html
• spree/spree@70092eb
• https://blog.convisoappsec.com/en/spree-commerce-multiple-unsafe-reflection-vulnerabilities-cve-2013-1656
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/spree/CVE-2013-1656.yml