patch_insane_file_read.rb

# File.read is inherited from IO.read, which in turn allows the user to call out
# to the shell and thus might turn any call to {File.read} into a Remote Code
# Execution vulnerability.
#
# This is insane. So get rid of it.
class File
  def self.read(path, *opt)
    raise Errno::ENOENT, "Shell methods not allowed" if path.start_with? '|'
    super
  end
end