how to test for vulnerable Bash shell:
Execute the following:
$ env x='() { :;}; echo vulnerable' bash -c "echo this is a test"
on the command line, if it comes back with
this is a test
then the system is vulnerable
If the system returns:
bash: warning: x: ignoring function definition attempt
bash: error importing function definition for `x'
this is a test
Then you are safe.
like on my system in this example: 
From Red Hat Security Blog: https://securityblog.redhat.com/2014/09/24/bash-specially-crafted-environment-variables-code-injection-attack/
Contact Me at 314-504-3974 (Tony Zafiropoulos) if you need help in deciphering this issue. Or Contact Us page
new RedHat Announcement at https://access.redhat.com/announcements/1210053 regarding all 6 Bash Shellcode CVE’s
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