うあああああああああ
FreeBSDもだめだあああああああああ

root@test:~# uname -a
FreeBSD test 9.1-RELEASE-p11 FreeBSD 9.1-RELEASE-p11 #0: Tue Apr 8 20:54:56 UTC 2014 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64

root@test:~# set | grep -ai version
version tcsh 6.18.01 (Astron) 2012-02-14 (x86_64-amd-FreeBSD) options wide,nls,dl,al,kan,sm,rh,color,filec

root@test:~# env x='() { :;}; echo vulnerable' bash -c "echo this is a test"
vulnerable
this is a test
root@test:~#