<commit_before>require 'brakeman/checks/base_check'

#Check for cross site scripting vulnerability in mail_to :encode => :javascript
#with certain versions of Rails (< 2.3.11 or < 3.0.4).
#
#http://groups.google.com/group/rubyonrails-security/browse_thread/thread/f02a48ede8315f81
class Brakeman::CheckMailTo < Brakeman::BaseCheck
  Brakeman::Checks.add self

  @description = "Checks for mail_to XSS vulnerability in certain versions"

  def run_check
    if (version_between? "2.3.0", "2.3.10" or version_between? "3.0.0", "3.0.3") and result = mail_to_javascript?
      message = "Vulnerability in mail_to using javascript encoding (CVE-2011-0446). Upgrade to Rails version "

      if version_between? "2.3.0", "2.3.10"
        message << "2.3.11"
      else
        message << "3.0.4"
      end

      warn :result => result,
        :warning_type => "Mail Link",
        :message => message,
        :confidence => CONFIDENCE[:high],
        :file => gemfile_or_environment
    end
  end

  #Check for javascript encoding of mail_to address
  #    mail_to email, name, :encode => :javascript
  def mail_to_javascript?
    Brakeman.debug "Checking calls to mail_to for javascript encoding"

    tracker.find_call(:target => false, :method => :mail_to).each do |result|
      call = result[:call]
      args = call.args

      args.each do |arg|
        if hash? arg
          if hash_access(arg, :javascript)
            return result
          end
        end
      end
    end

    false
  end<commit_msg>Fix CheckMailTo to detect the vulnerability<commit_after>require 'brakeman/checks/base_check'

#Check for cross site scripting vulnerability in mail_to :encode => :javascript
#with certain versions of Rails (< 2.3.11 or < 3.0.4).
#
#http://groups.google.com/group/rubyonrails-security/browse_thread/thread/f02a48ede8315f81
class Brakeman::CheckMailTo < Brakeman::BaseCheck
  Brakeman::Checks.add self

  @description = "Checks for mail_to XSS vulnerability in certain versions"

  def run_check
    if (version_between? "2.3.0", "2.3.10" or version_between? "3.0.0", "3.0.3") and result = mail_to_javascript?
      message = "Vulnerability in mail_to using javascript encoding (CVE-2011-0446). Upgrade to Rails version "

      if version_between? "2.3.0", "2.3.10"
        message << "2.3.11"
      else
        message << "3.0.4"
      end

      warn :result => result,
        :warning_type => "Mail Link",
        :message => message,
        :confidence => CONFIDENCE[:high],
        :file => gemfile_or_environment
    end
  end

  #Check for javascript encoding of mail_to address
  #    mail_to email, name, :encode => :javascript
  def mail_to_javascript?
    Brakeman.debug "Checking calls to mail_to for javascript encoding"

    tracker.find_call(:target => false, :method => :mail_to).each do |result|
      result[:call].arglist.each do |arg|
        if hash? arg
          if option = hash_access(arg, :encode)
            return result if symbol? option and option.value == :javascript
          end
        end
      end
    end

    false
  end
{'fraction_non_alphanumeric': 0.10861788617886178, 'fraction_numerical': 0.033821138211382114, 'mean_word_length': 2.878940731399748, 'pattern_counts': {'":': 0, '<': 17, '<?xml version=': 0, '>': 21, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '3612536', 'n_tokens_mistral': 1049, 'n_tokens_neox': 968, 'n_words': 273}