A vulnerability was reported in Ruby on Rails. A remote user can bypass authentication. A remote user can supply a specially crafted (invalid) username with no password to successfully authenticate and access a protected page. fixed in git: http://github.com/rails/rails/commit/056ddbdcfb07f0b5c7e6ed8a35f6c3b55b4ab489
Версия в Сизифе (2.3.2.1) содержит этот коммит.
Я заглянул сюда и не увидел: http://git.altlinux.org/gears/r/ruby-rails.git?p=ruby-rails.git;a=blob;f=actionpack/lib/action_controller/http_authentication.rb;h=b6b5267c66f92c79bb4da58cb97dac7e84728a50;hb=d5dad091d19865be1e948a0b235c589ca801b1fc#l194
Немного перепутал follows и preceedes.
Тащемта, уже давно исправлено, например.