lib/brakeman/checks/check_filter_skipping.rb
require 'brakeman/checks/base_check'
#Check for filter skipping vulnerability
#http://groups.google.com/group/rubyonrails-security/browse_thread/thread/3420ac71aed312d6
class Brakeman::CheckFilterSkipping < Brakeman::BaseCheck
Brakeman::Checks.add self
@description = "Checks for versions 3.0-3.0.9 which had a vulnerability in filters"
def run_check
if version_between?('3.0.0', '3.0.9') and uses_arbitrary_actions?
warn :warning_type => "Default Routes",
:warning_code => :CVE_2011_2929,
:message => msg("Rails versions before 3.0.10 have a vulnerability which allows filters to be bypassed", msg_cve("CVE-2011-2929")),
:confidence => :high,
:gem_info => gemfile_or_environment,
:link_path => "https://groups.google.com/d/topic/rubyonrails-security/NCCsca7TEtY/discussion",
:cwe_id => [20]
end
end
def uses_arbitrary_actions?
tracker.routes.each do |_name, actions|
if actions.include? :allow_all_actions
return true
end
end
false
end
end