Class: Brakeman::CheckMailTo
- Inherits:
-
BaseCheck
- Object
- SexpProcessor
- BaseCheck
- Brakeman::CheckMailTo
- Defined in:
- lib/brakeman/checks/check_mail_to.rb
Overview
Check for cross site scripting vulnerability in mail_to :encode => :javascript with certain versions of Rails (< 2.3.11 or < 3.0.4).
groups.google.com/group/rubyonrails-security/browse_thread/thread/f02a48ede8315f81
Constant Summary
Constants inherited from BaseCheck
Constants included from Util
Util::ALL_PARAMETERS, Util::COOKIES, Util::PARAMETERS, Util::PATH_PARAMETERS, Util::QUERY_PARAMETERS, Util::REQUEST_ENV, Util::REQUEST_PARAMETERS, Util::REQUEST_PARAMS, Util::SESSION
Constants inherited from SexpProcessor
Instance Attribute Summary
Attributes inherited from BaseCheck
Attributes inherited from SexpProcessor
Instance Method Summary collapse
-
#mail_to_javascript? ⇒ Boolean
Check for javascript encoding of mail_to address mail_to email, name, :encode => :javascript.
- #run_check ⇒ Object
Methods inherited from BaseCheck
#add_result, #initialize, #process_call, #process_cookies, #process_default, #process_if, #process_params
Methods included from Util
#array?, #call?, #camelize, #contains_class?, #context_for, #cookies?, #false?, #file_by_name, #file_for, #hash?, #hash_access, #hash_insert, #hash_iterate, #integer?, #node_type?, #number?, #params?, #pluralize, #regexp?, #request_env?, #request_value?, #result?, #set_env_defaults, #sexp?, #string?, #symbol?, #table_to_csv, #true?, #truncate_table, #underscore
Methods included from ProcessorHelper
#class_name, #process_all, #process_module
Methods inherited from SexpProcessor
#error_handler, #in_context, #initialize, #process, #process_dummy, #scope
Constructor Details
This class inherits a constructor from Brakeman::BaseCheck
Instance Method Details
#mail_to_javascript? ⇒ Boolean
Check for javascript encoding of mail_to address
mail_to email, name, :encode => :javascript
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# File 'lib/brakeman/checks/check_mail_to.rb', line 33 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 |
#run_check ⇒ Object
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# File 'lib/brakeman/checks/check_mail_to.rb', line 12 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? = "Vulnerability in mail_to using javascript encoding (CVE-2011-0446). Upgrade to Rails version " if version_between? "2.3.0", "2.3.10" << "2.3.11" else << "3.0.4" end warn :result => result, :warning_type => "Mail Link", :message => , :confidence => CONFIDENCE[:high], :file => gemfile_or_environment, :link_path => "https://groups.google.com/d/topic/rubyonrails-security/8CpI7egxX4E/discussion" end end |