Sha256: a2a29949006331e12c2ad6b2bcd511e5aa6e6f3b5c3997d2cb6d8f7d5d810313
Contents?: true
Size: 1.18 KB
Versions: 25
Compression:
Stored size: 1.18 KB
Contents
require 'brakeman/checks/base_check'
class Brakeman::CheckMimeTypeDoS < Brakeman::BaseCheck
Brakeman::Checks.add self
@description = "Checks for mime type denial of service (CVE-2016-0751)"
def run_check
fix_version = case
when version_between?("3.0.0", "3.2.22")
"3.2.22.1"
when version_between?("4.0.0", "4.1.14")
"4.1.14.1"
when version_between?("4.2.0", "4.2.5")
"4.2.5.1"
else
return
end
return if has_workaround?
message = "Rails #{rails_version} is vulnerable to denial of service via mime type caching (CVE-2016-0751). Upgrade to Rails version #{fix_version}"
warn :warning_type => "Denial of Service",
:warning_code => :CVE_2016_0751,
:message => message,
:confidence => :medium,
:gem_info => gemfile_or_environment,
:link_path => "https://groups.google.com/d/msg/rubyonrails-security/9oLY_FCzvoc/w9oI9XxbFQAJ"
end
def has_workaround?
tracker.check_initializers(:Mime, :const_set).any? do |match|
arg = match.call.first_arg
symbol? arg and arg.value == :LOOKUP
end
end
end
Version data entries
25 entries across 25 versions & 3 rubygems