class Brakeman::CheckPageCachingCVE

Public Instance Methods

run_check() click to toggle source
# File lib/brakeman/checks/check_page_caching_cve.rb, line 8
def run_check
  gem_name = 'actionpack-page_caching'
  gem_version = tracker.config.gem_version(gem_name.to_sym)
  upgrade_version = '1.2.2'
  cve = 'CVE-2020-8159'

  return unless gem_version and version_between?('0.0.0', '1.2.1', gem_version)

  message = msg("Directory traversal vulnerability in ", msg_version(gem_version, gem_name), " ", msg_cve(cve), ". Upgrade to ", msg_version(upgrade_version, gem_name))

  if uses_caches_page?
    confidence = :high
  else
    confidence = :weak
  end

  warn :warning_type => 'Directory Traversal',
    :warning_code => :CVE_2020_8159,
    :message => message,
    :confidence => confidence,
    :link_path => 'https://groups.google.com/d/msg/rubyonrails-security/CFRVkEytdP8/c5gmICECAgAJ',
    :gem_info => gemfile_or_environment(gem_name),
    :cwe_id => [22]
end
uses_caches_page?() click to toggle source
# File lib/brakeman/checks/check_page_caching_cve.rb, line 33
def uses_caches_page?
  tracker.controllers.any? do |name, controller|
    controller.options.has_key? :caches_page
  end
end