The majority of system that can be targeted are server, not desktops, while it's still good to patch desktops anyway. Plus this is a "bug" not a malicions piece of software like a virus, trojan, rootkit, etc. There is a difference.
SECURITY THREAT UPDATE
A second way to exploit this problem has been found and there is NO FIX yet at the time of this post.
To test to see if the second method still effects you, you can run:
env -i X='() { (a)=>\' bash -c 'echo date'; cat echo
You will still receive and error but it will...
SECURITY THREAT
If you are running or have "bash" installed on any of your systems/devices that use versions between 1.14 to 3.4 you are vulnerable. This is a very large threat. It allows the attack to execute code and commands on the target system. To check your version in the command line run...
I got my stuff quickly and easily, I agree that he has been here a while and we have had our share of fun auction battles (bidding), back and forth, me and him. Sad to see if this is the case.