Spree 0.11.x before 0.11.2 and 0.30.x before 0.30.0 exchanges data using JavaScript Object Notation (JSON) without a mechanism for validating requests, which allows remote attackers to obtain sensitive information via vectors involving (1) admin/products.json, (2) admin/users.json, or (3) admin/overview/get_report_data, related to a "JSON hijacking" issue.

References

• https://nvd.nist.gov/vuln/detail/CVE-2010-3978
• railsdog/spree@19944bd
• railsdog/spree@d881b2b
• http://spreecommerce.com/blog/2010/11/02/json-hijacking-vulnerability/
• http://spreecommerce.com/blog/2010/11/09/spree-0-30-0-released/
• http://twitter.com/conviso/statuses/29555076248
• http://www.conviso.com.br/json-hijacking-vulnerability/
• http://www.conviso.com.br/security-advisory-spree-e-commerce-json-v-0-11x/
• http://www.securityfocus.com/archive/1/514674/100/0/threaded
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/spree/CVE-2010-3978.yml
• https://spreecommerce.com/blog/json-hijacking-vulnerability