I was Shellshocked last week.

Ever since the announcement of the Shellshock vulnerability (also known as the Bash vulnerability) in late September, I have been very busy. As you’re probably aware, the Shellshock vulnerability is prevalent in systems that are based on the Linux operating system.

Unfortunately for those of us that have to deal with the vulnerability, the Linux operating system is used in lots of devices that we don’t normally think of as computers, so they don’t fall into a normal patching routine. I suppose it’s so widely used because it’s free, making it attractive as a platform for vendors to use when they set out to create a new product, from toasters to cars. But for many of those products, the Linux operating system is way more complex than what they really need. On my network, I found it in network devices, load balancers and even a couple of my favorite security products. And one of those was my firewall!

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