Class: Brakeman::CheckTranslateBug

Inherits:
BaseCheck
  • Object
show all
Defined in:
lib/brakeman/checks/check_translate_bug.rb

Overview

Check for vulnerability in translate() helper that allows cross-site scripting

Instance Method Summary collapse

Instance Method Details

#run_check ⇒ Object 



9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
 
# File 'lib/brakeman/checks/check_translate_bug.rb', line 9

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

#uses_translate? ⇒ Boolean

Returns:

  • (Boolean) 


41
42
43
44
45
 
# File 'lib/brakeman/checks/check_translate_bug.rb', line 41

def uses_translate?
  Brakeman.debug "Finding calls to translate() or t()"

  tracker.find_call(:target => nil, :methods => [:t, :translate]).any?
end