USB Security Vulnerabilities
The cluster discusses security risks of USB devices, focusing on BadUSB attacks where malicious USBs impersonate keyboards or HID devices to inject malware and keystrokes. Commenters warn against plugging in untrusted USBs and highlight firmware exploits and attack vectors.
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No, USB is vulnerable to malicious devices.
It's a USB device, it already has the ability to do terrible things[0] when you plug it in.0. https://www.wired.com/2014/07/usb-security/
You mean you're worried about USB attacks?
You're not safe plugging a random USB into your computer. It can pretend to be a keyboard and install malware.
I dont understand. Is USB just always insecure because of hardware?
You haven't heard of BadUSB?Don't plug in untrusted USB devices.
Are there any situations where this would be a vulnerability but using a USB device as a HID would not?
USB is an attack vector; if it's not exploiting your USB driver it's connecting your data pins to mains power. Keyboards are an air gap.
It has multiple attack vectors, not just USB.
How do you know your mouse or keyboard isn't going to attack your machine through the USB port?