Class: Dawn::Kb::CVE_2011_4815

Inherits:
Object
  • Object
show all
Includes:
RubyVersionCheck
Defined in:
lib/dawn/kb/cve_2011_4815.rb

Overview

Automatically created with rake on 2013-07-12

Constant Summary

Constants included from BasicCheck

BasicCheck::ALLOWED_FAMILIES

Instance Attribute Summary

Attributes included from RubyVersionCheck

#detected_ruby, #safe_rubies

Attributes included from BasicCheck

#applies, #aux_links, #check_family, #cve, #cvss, #cwe, #debug, #evidences, #fixes_version, #kind, #message, #mitigated, #name, #osvdb, #owasp, #priority, #release_date, #remediation, #ruby_version, #ruby_vulnerable_versions, #severity, #status, #target_version, #title

Instance Method Summary collapse

Methods included from RubyVersionCheck

#is_same_version?, #is_vulnerable_engine?, #is_vulnerable_patchlevel?, #vuln?

Methods included from BasicCheck

#applies_to?, #cve_link, #cvss_score, families, #family, #family=, #lint, #mitigated?, #nvd_link, #osvdb_link, #rubysec_advisories_link

Methods included from Utils

#__debug_me_and_return, #debug_me, #debug_me_and_return_false, #debug_me_and_return_true

Constructor Details

#initializeCVE_2011_4815

Returns a new instance of CVE_2011_4815.


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# File 'lib/dawn/kb/cve_2011_4815.rb', line 7

def initialize
      message = "Ruby (aka CRuby) before 1.8.7-p357 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table."
      super({
        :name=>"CVE-2011-4815",
        :cvss=>"AV:N/AC:L/Au:N/C:N/I:N/A:C",
        :release_date => Date.new(2011, 12, 30),
        :cwe=>"20",
        :owasp=>"A9", 
        :applies=>["rails", "sinatra", "padrino"],
        :kind=>Dawn::KnowledgeBase::RUBY_VERSION_CHECK,
        :message=>message,
        :mitigation=>"Upgrade your ruby to latest available version",
        :aux_links=>["http://www.ruby-lang.org/en/news/2011/12/28/denial-of-service-attack-was-found-for-rubys-hash-algorithm/"]
      })

      self.safe_rubies = [{:engine=>"ruby", :version=>"1.8.7", :patchlevel=>"p357"}]


end