Class: Brakeman::CheckNestedAttributes

Inherits:
BaseCheck show all
Defined in:
lib/brakeman/checks/check_nested_attributes.rb

Overview

Check for vulnerability in nested attributes in Rails 2.3.9 and 3.0.0 groups.google.com/group/rubyonrails-security/browse_thread/thread/f9f913d328dafe0c

Constant Summary

Constants inherited from BaseCheck

BaseCheck::CONFIDENCE

Constants included from Util

Util::ALL_COOKIES, Util::ALL_PARAMETERS, Util::COOKIES, Util::COOKIES_SEXP, Util::PARAMETERS, Util::PARAMS_SEXP, Util::PATH_PARAMETERS, Util::QUERY_PARAMETERS, Util::REQUEST_COOKIES, Util::REQUEST_ENV, Util::REQUEST_PARAMETERS, Util::REQUEST_PARAMS, Util::REQUEST_REQUEST_PARAMETERS, Util::SAFE_LITERAL, Util::SESSION, Util::SESSION_SEXP

Constants inherited from SexpProcessor

SexpProcessor::VERSION

Instance Attribute Summary

Attributes inherited from BaseCheck

#tracker, #warnings

Attributes inherited from SexpProcessor

#context, #env, #expected

Instance Method Summary collapse

Methods inherited from BaseCheck

#add_result, inherited, #initialize, #process_array, #process_call, #process_cookies, #process_default, #process_dstr, #process_if, #process_params

Methods included from Messages

#msg, #msg_code, #msg_cve, #msg_file, #msg_input, #msg_lit, #msg_plain, #msg_version

Methods included from Util

#array?, #block?, #call?, #camelize, #class_name, #constant?, #contains_class?, #cookies?, #false?, #hash?, #hash_access, #hash_insert, #hash_iterate, #integer?, #kwsplat?, #make_call, #node_type?, #number?, #params?, #pluralize, #rails_version, #regexp?, #remove_kwsplat, #request_env?, #request_value?, #result?, #safe_literal, #safe_literal?, #safe_literal_target?, #set_env_defaults, #sexp?, #string?, #string_interp?, #symbol?, #template_path_to_name, #true?, #underscore

Methods included from ProcessorHelper

#current_file, #process_all, #process_all!, #process_call_args, #process_call_defn?, #process_class, #process_module

Methods inherited from SexpProcessor

#in_context, #initialize, #process, processors, #scope

Constructor Details

This class inherits a constructor from Brakeman::BaseCheck

Instance Method Details

#run_check ⇒ Object 



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# File 'lib/brakeman/checks/check_nested_attributes.rb', line 10

def run_check
  version = rails_version

  if (version == "2.3.9" or version == "3.0.0") and uses_nested_attributes?
    message = msg("Vulnerability in nested attributes ", msg_cve("CVE-2010-3933"), ". Upgrade to ")

    if version == "2.3.9"
      message << msg_version("2.3.10")
    else
      message << msg_version("3.0.1")
    end

    warn :warning_type => "Nested Attributes",
      :warning_code => :CVE_2010_3933,
      :message => message,
      :confidence => :high,
      :gem_info => gemfile_or_environment,
      :link_path => "https://groups.google.com/d/topic/rubyonrails-security/-fkT0yja_gw/discussion"
  end
end

#uses_nested_attributes? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brakeman/checks/check_nested_attributes.rb', line 31

def uses_nested_attributes?
  active_record_models.each do |_name, model|
    return true if model.options[:accepts_nested_attributes_for]
  end

  false
end