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How To Check If Your Linux Is Vulnerable to Shellshock

Posted by negraru on Sat, 27 Sep 2014

How To Check If Your Linux Is Vulnerable to Shellshock

You can test your system by running this test command from Terminal:

env x='() { :;}; echo vulnerable' bash -c 'echo hello'

If you're not vulnerable, you'll get this result:

bash: warning: x: ignoring function definition attempt bash: error importing function definition for `x' hello

If you are vulnerable, you'll get:

vulnerable hello

You can also check the version of bash you're running by entering:

bash --version

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