Sha256: fedd7da7b7f8be6fd39aafd41f01ec9ca214594358adfa9df3b516054e9d2ed9
Contents?: true
Size: 1.62 KB
Versions: 75
Compression:
Stored size: 1.62 KB
Contents
require 'brakeman/checks/base_check'
#Check for cross site scripting vulnerability in mail_to :encode => :javascript
#with certain versions of Rails (< 2.3.11 or < 3.0.4).
#
#http://groups.google.com/group/rubyonrails-security/browse_thread/thread/f02a48ede8315f81
class Brakeman::CheckMailTo < Brakeman::BaseCheck
Brakeman::Checks.add self
@description = "Checks for mail_to XSS vulnerability in certain versions"
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?
message = "Vulnerability in mail_to using javascript encoding (CVE-2011-0446). Upgrade to Rails version "
if version_between? "2.3.0", "2.3.10"
message << "2.3.11"
else
message << "3.0.4"
end
warn :result => result,
:warning_type => "Mail Link",
:warning_code => :CVE_2011_0446,
:message => message,
:confidence => CONFIDENCE[:high],
:gem_info => gemfile_or_environment,
:link_path => "https://groups.google.com/d/topic/rubyonrails-security/8CpI7egxX4E/discussion"
end
end
#Check for javascript encoding of mail_to address
# mail_to email, name, :encode => :javascript
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].each_arg 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
end
Version data entries
75 entries across 75 versions & 3 rubygems