How to resolve bash or shellshock vulnarability

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30Sep, 2014
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How to resolve bash or shellshock vulnarability

This command will show you if your bash is vulnerable.

# env x='() { :;}; echo vulnerable’ bash -c “echo not vulnerable”
If you get ” vulnerable ” then you need to upgrade and if you get ” not vulnerable” then you are safe.

If your server is vulnerable then you can take these steps to resolve.

CentOs, Fedora, Redhat

yum update bash

Debian and ubuntu

apt-get install –only-upgrade bash


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