I'm really into Geometry Dash and recently started using the "click between frames" mod. To use it properly on Linux, I need to run the command `sudo usermod -aG input $USER`. The mod page warns that this could compromise my computer's security, and I'm wondering how significant that risk is. Is it a big deal or manageable? Is it safe to use?
3 Answers
I wouldn’t call it a small risk at all. If you're logged in while another user is actively using the machine, you could see their console inputs, which is a serious privacy issue!
If you're the only one using the computer, it shouldn't pose a major security risk. But if there are other users, it does introduce some vulnerability, even if it's minor.
Running that command adds your user to the input group. This lets your processes read from input devices like keyboards and mice, which regular users usually can’t do. So, if someone else is using the computer while your user is in that group, they could potentially read their inputs, including sensitive info like passwords.
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