Class: Dawn::Kb::CVE_2011_2705

Inherits:
Object
  • Object
show all
Includes:
RubyVersionCheck
Defined in:
lib/dawn/kb/cve_2011_2705.rb

Overview

Automatically created with rake on 2014-01-08

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

#initialize ⇒ CVE_2011_2705

Returns a new instance of CVE_2011_2705.



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# File 'lib/dawn/kb/cve_2011_2705.rb', line 7

def initialize
      message = "The SecureRandom.random_bytes function in lib/securerandom.rb in Ruby before 1.8.7-p352 and 1.9.x before 1.9.2-p290 relies on PID values for initialization, which makes it easier for context-dependent attackers to predict the result string by leveraging knowledge of random strings obtained in an earlier process with the same PID."

      super({
        :name=>"CVE-2011-2705",
        :cvss=>"AV:N/AC:L/Au:N/C:P/I:N/A:N",
        :release_date => Date.new(2011, 8, 5),
        :cwe=>"20",
        :owasp=>"A9", 
        :applies=>["rails", "sinatra", "padrino"],
        :kind=>Dawn::KnowledgeBase::RUBY_VERSION_CHECK,
        :message=>message,
        :mitigation=>"Please upgrade ruby interpreter to 1.8.7-p352 or 1.9.2-p290 or latest version available",
        :aux_links=>["http://www.ruby-lang.org/en/news/2013/02/22/rexml-dos-2013-02-22/"]
      })

      self.safe_rubies = [{:engine=>"ruby", :version=>"1.8.7", :patchlevel=>"p352"}, 
                          {:engine=>"ruby", :version=>"1.9.0", :patchlevel=>"p999"},
                          {:engine=>"ruby", :version=>"1.9.1", :patchlevel=>"p999"},
                          {:engine=>"ruby", :version=>"1.9.2", :patchlevel=>"p290"}
      ]

end