2017: The Year of the Dishwasher Security Patch

As if Windows Update wasn’t bad enough, one has to deal with a plethora of attention-hungry programs and utilities all begging for a continual stream of patches from the Internet. It’s exhausting, but unfortunately also par for the course. Many of these updates are to close security vulnerabilities that could otherwise expose your computer to undesirables. The Internet of Things will only expand the amount of hardware and software you need to keep updated and protected on a daily basis. Now, it’s your dishwasher that’s under attack.

The Register reports that Jens Regel discovered the bug in a Miele dishwasher with a webserver. It’s a basic directory traversal attack that can net the intruder the shadow password file. Armed with this, it’s simple to take over the embedded Linux system and wreak havoc on your local network.

It’s not particularly surprising – we’ve talked about IoT security and its pitfalls before. The problem is, a dishwasher is not a computer. Unlike Microsoft, or Google, or even the people behind VLC, Miele don’t have infrastructure in place to push out an update to dishwashers worldwide. This means that as it stands, your only real solutions are to either disconnect the dishwasher from your network, or lock it behind a highly restrictive firewall. Both are likely to impede functionality. Of course, as always, many will ask why a dishwasher needs to be connected to the Internet at all. Why indeed.

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