Ruby on Rails 2.3.9 and 3.0.0 does not properly handle nested attributes, which allows remote attackers to modify arbitrary records by changing the names of parameters for form inputs.

References

• https://nvd.nist.gov/vuln/detail/CVE-2010-3933
• http://weblog.rubyonrails.org/2010/10/15/security-vulnerability-in-nested-attributes-code-in-ruby-on-rails-2-3-9-and-3-0-0
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activerecord/CVE-2010-3933.yml
• https://web.archive.org/web/20101129225633/http://securitytracker.com/alerts/2010/Oct/1024624.html
• rails/rails@2d96bcc
• rails/rails@96183e0
• https://web.archive.org/web/20111225083933/http://secunia.com/advisories/41930
• https://web.archive.org/web/20201208053819/http://securitytracker.com/id?1024624