The system displays syntax errors , notifying the user that CVE - 2014 - 6271 has been prevented .
The system still writes a file named ' echo ' , into the working directory , containing the result of the ' date ' call .
The system displays syntax errors , notifying the user that CVE - 2014 - 6271 has been prevented , but still writes a file named ' echo ' , into the working directory , containing the result of the ' date ' call .