From bdcd5f94b2efdf661f201917d63476c245aa7c09 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafael=20Mendon=C3=A7a=20Fran=C3=A7a?= Date: Thu, 17 Apr 2014 16:50:39 -0300 Subject: Only accept actions without File::SEPARATOR in the name. This will avoid directory traversal in implicit render. Fixes: CVE-2014-0130 Conflicts: actionpack/lib/abstract_controller/base.rb --- .../controller/new_base/render_implicit_action_test.rb | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) (limited to 'actionpack/test/controller/new_base') diff --git a/actionpack/test/controller/new_base/render_implicit_action_test.rb b/actionpack/test/controller/new_base/render_implicit_action_test.rb index 1e2191d417..5b4885f7e0 100644 --- a/actionpack/test/controller/new_base/render_implicit_action_test.rb +++ b/actionpack/test/controller/new_base/render_implicit_action_test.rb @@ -6,7 +6,7 @@ module RenderImplicitAction "render_implicit_action/simple/hello_world.html.erb" => "Hello world!", "render_implicit_action/simple/hyphen-ated.html.erb" => "Hello hyphen-ated!", "render_implicit_action/simple/not_implemented.html.erb" => "Not Implemented" - )] + ), ActionView::FileSystemResolver.new(File.expand_path('../../../controller', __FILE__))] def hello_world() end end @@ -33,10 +33,25 @@ module RenderImplicitAction assert_status 200 end + test "render does not traverse the file system" do + assert_raises(AbstractController::ActionNotFound) do + action_name = %w(.. .. fixtures shared).join(File::SEPARATOR) + SimpleController.action(action_name).call(Rack::MockRequest.env_for("/")) + end + end + test "available_action? returns true for implicit actions" do assert SimpleController.new.available_action?(:hello_world) assert SimpleController.new.available_action?(:"hyphen-ated") assert SimpleController.new.available_action?(:not_implemented) end + + test "available_action? does not allow File::SEPARATOR on the name" do + action_name = %w(evil .. .. path).join(File::SEPARATOR) + assert_equal false, SimpleController.new.available_action?(action_name.to_sym) + + action_name = %w(evil path).join(File::SEPARATOR) + assert_equal false, SimpleController.new.available_action?(action_name.to_sym) + end end end -- cgit v1.2.3