lib/brakeman/checks/check_translate_bug.rb
require 'brakeman/checks/base_check'
#Check for vulnerability in translate() helper that allows cross-site scripting
class Brakeman::CheckTranslateBug < Brakeman::BaseCheck
Brakeman::Checks.add self
@description = "Report XSS vulnerability in translate helper"
def run_check
return if lts_version? '2.3.18.6'
if (version_between?('2.3.0', '2.3.99') and tracker.config.escape_html?) or
version_between?('3.0.0', '3.0.10') or
version_between?('3.1.0', '3.1.1')
confidence = if uses_translate?
:high
else
:medium
end
description = [" has a vulnerability in the translate helper with keys ending in ", msg_code("_html")]
message = if rails_version =~ /^3\.1/
msg(msg_version(rails_version), *description, ". Upgrade to ", msg_version("3.1.2"))
elsif rails_version =~ /^3\.0/
msg(msg_version(rails_version), *description, ". Upgrade to ", msg_version("3.0.11"))
else
msg("Rails 2.3.x using the rails_xss plugin", *description)
end
warn :warning_type => "Cross-Site Scripting",
:warning_code => :translate_vuln,
:message => message,
:confidence => confidence,
:gem_info => gemfile_or_environment,
:link_path => "http://groups.google.com/group/rubyonrails-security/browse_thread/thread/2b61d70fb73c7cc5",
:cwe_id => [79]
end
end
def uses_translate?
Brakeman.debug "Finding calls to translate() or t()"
tracker.find_call(:target => nil, :methods => [:t, :translate]).any?
end
end