Class: Brakeman::CheckSanitizeMethods
- Inherits:
-
BaseCheck
- Object
- SexpProcessor
- BaseCheck
- Brakeman::CheckSanitizeMethods
- Defined in:
- lib/brakeman/checks/check_sanitize_methods.rb
Overview
sanitize and sanitize_css are vulnerable: CVE-2013-1855 and CVE-2013-1857
Constant Summary
Constants inherited from BaseCheck
Constants included from Util
Util::ALL_PARAMETERS, Util::COOKIES, Util::COOKIES_SEXP, Util::PARAMETERS, Util::PARAMS_SEXP, Util::PATH_PARAMETERS, Util::QUERY_PARAMETERS, Util::REQUEST_ENV, Util::REQUEST_PARAMETERS, Util::REQUEST_PARAMS, Util::SESSION, Util::SESSION_SEXP
Constants inherited from SexpProcessor
Instance Attribute Summary
Attributes inherited from BaseCheck
Attributes inherited from SexpProcessor
Instance Method Summary collapse
- #check_cve_2013_1855 ⇒ Object
- #check_cve_2013_1857 ⇒ Object
- #check_for_cve(method, code, link) ⇒ Object
- #run_check ⇒ Object
- #warn_sanitizer_cve(cve, link) ⇒ Object
Methods inherited from BaseCheck
#add_result, inherited, #initialize, #process_call, #process_cookies, #process_default, #process_dstr, #process_if, #process_params
Methods included from Util
#array?, #block?, #call?, #camelize, #class_name, #constant?, #contains_class?, #context_for, #cookies?, #false?, #file_by_name, #file_for, #github_url, #hash?, #hash_access, #hash_insert, #hash_iterate, #integer?, #make_call, #node_type?, #number?, #params?, #pluralize, #rails_version, #regexp?, #relative_path, #request_env?, #request_value?, #result?, #set_env_defaults, #sexp?, #string?, #string_interp?, #symbol?, #table_to_csv, #template_path_to_name, #true?, #truncate_table, #underscore
Methods included from ProcessorHelper
#current_file_name, #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
#check_cve_2013_1855 ⇒ Object
33 34 35 |
# File 'lib/brakeman/checks/check_sanitize_methods.rb', line 33 def check_cve_2013_1855 check_for_cve :sanitize_css, :CVE_2013_1855, "https://groups.google.com/d/msg/rubyonrails-security/4_QHo4BqnN8/_RrdfKk12I4J" end |
#check_cve_2013_1857 ⇒ Object
37 38 39 |
# File 'lib/brakeman/checks/check_sanitize_methods.rb', line 37 def check_cve_2013_1857 check_for_cve :sanitize, :CVE_2013_1857, "https://groups.google.com/d/msg/rubyonrails-security/zAAU7vGTPvI/1vZDWXqBuXgJ" end |
#check_for_cve(method, code, link) ⇒ Object
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 |
# File 'lib/brakeman/checks/check_sanitize_methods.rb', line 41 def check_for_cve method, code, link tracker.find_call(:target => false, :method => method).each do |result| next if duplicate? result add_result result = "Rails #{rails_version} has a vulnerability in #{method}: upgrade to #{@fix_version} or patch" if include_user_input? result[:call] confidence = CONFIDENCE[:high] else confidence = CONFIDENCE[:medium] end warn :result => result, :warning_type => "Cross Site Scripting", :warning_code => code, :message => , :confidence => CONFIDENCE[:high], :link_path => link end end |
#run_check ⇒ Object
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 |
# File 'lib/brakeman/checks/check_sanitize_methods.rb', line 10 def run_check @fix_version = case when version_between?('2.0.0', '2.3.17') '2.3.18' when version_between?('3.0.0', '3.0.99') '3.2.13' when version_between?('3.1.0', '3.1.11') '3.1.12' when version_between?('3.2.0', '3.2.12') '3.2.13' end if @fix_version check_cve_2013_1855 check_cve_2013_1857 elsif tracker.config.has_gem? :'rails-html-sanitizer' and version_between? "1.0.0", "1.0.2", tracker.config.gem_version(:'rails-html-sanitizer') warn_sanitizer_cve "CVE-2015-7578", "https://groups.google.com/d/msg/rubyonrails-security/uh--W4TDwmI/JbvSRpdbFQAJ" warn_sanitizer_cve "CVE-2015-7580", "https://groups.google.com/d/msg/rubyonrails-security/uh--W4TDwmI/m_CVZtdbFQAJ" end end |
#warn_sanitizer_cve(cve, link) ⇒ Object
63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 |
# File 'lib/brakeman/checks/check_sanitize_methods.rb', line 63 def warn_sanitizer_cve cve, link = "rails-html-sanitizer #{tracker.config.gem_version(:'rails-html-sanitizer')} is vulnerable (#{cve}). Upgrade to 1.0.3" if tracker.find_call(:target => false, :method => :sanitize).any? confidence = CONFIDENCE[:high] else confidence = CONFIDENCE[:med] end warn :warning_type => "Cross Site Scripting", :warning_code => cve.tr('-', '_').to_sym, :message => , :gem_info => gemfile_or_environment, :confidence => confidence, :link_path => link end |