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How to Check if your Bash version is Vulnerable

25 Sep
HOW TO CHECK FOR VULNERABLE SHELL
Run the following command lines in your shell:
env X=”() { :;} ; echo nonvulnerable” /bin/sh -c “echo completed”
env X=”() { :;} ; echo nonvulnerable” `which bash` -c “echo completed”
If you see the words “nonvulnerable” in the output  then you are safe , error then your BASH is at risk.
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Posted by on September 25, 2014 in Security

 

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