Class: Dawn::Kb::CVE_2014_8090

Inherits:
Object
  • Object
show all
Includes:
RubyVersionCheck
Defined in:
lib/dawn/kb/cve_2014_8090.rb

Overview

Automatically created with rake on 2015-07-31

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_2014_8090

Returns a new instance of CVE_2014_8090.


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# File 'lib/dawn/kb/cve_2014_8090.rb', line 7

def initialize
  message = "The REXML parser in Ruby 1.9.x before 1.9.3 patchlevel 551, 2.0.x before 2.0.0 patchlevel 598, and 2.1.x before 2.1.5 allows remote attackers to cause a denial of service (CPU and memory consumption) a crafted XML document containing an empty string in an entity that is used in a large number of nested entity references, aka an XML Entity Expansion (XEE) attack. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-1821 and CVE-2014-8080."

  super({
    :name=>"CVE-2014-8090",
    :cvss=>"AV:N/AC:L/Au:N/C:N/I:N/A:P",
    :release_date => Date.new(2014, 11, 21),
    :cwe=>"611",
    :owasp=>"A9",
    :applies=>["rails", "sinatra", "padrino"],
    :kind=>Dawn::KnowledgeBase::RUBY_VERSION_CHECK,
    :message=>message,
    :mitigation=>"Please upgrade ruby interpreter to 1.9.3-p551 or 2.0.0-p598 or 2.1.5. Please note that latest 2.2.x version is suggested.",
    :aux_links=>["https://www.ruby-lang.org/en/news/2014/11/13/rexml-dos-cve-2014-8090/"]
  })

  self.safe_rubies = [{:engine=>"ruby", :version=>"1.9.3", :patchlevel=>"p551"},
                      {:engine=>"ruby", :version=>"2.0.0", :patchlevel=>"p598"},
                      {:engine=>"ruby", :version=>"2.1.5", :patchlevel=>"p0"}]

end