CVE-2009-3086 Information

Description

A certain algorithm in Ruby on Rails 2.1.0 through 2.2.2 and 2.3.x before 2.3.4 leaks information about the complexity of message-digest signature verification in the cookie store which might allow remote attackers to forge a digest via multiple attempts.

Reference

http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00004.html http://secunia.com/advisories/36600 http://weblog.rubyonrails.org/2009/9/4/timing-weakness-in-ruby-on-rails http://www.debian.org/security/2011/dsa-2260 http://www.securityfocus.com/bid/37427 http://www.vupen.com/english/advisories/2009/2544