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On 2016-12-06 18:44, Ben Wika wrote:
> On Thursday, 11 August 2016 22:38:27 UTC+10:30, ama...@riseup.net  wrote:
>> My understanding is that by default Qubes Dom0 is protected from USB 
>> attacks by disallowing access to USB's.
>> To the contrary,on my system, USB's have direct access to Dom0 - I plug 
>> in a usb -popup shows it's connected to dom0 - i have direct access via 
>> dom0 to the files on the usb.
>>
>> Is it just me? or it it a system failure?
> 
> so to be clear, having no usb qube makes dom0 vulnerable? (i had the same 
> setup until i got myself ps2 splitter) 
> 

Correct. If you're not using a USB qube (i.e., your USB controllers are left in 
dom0), then a malicious USB device plugged into a USB port can compromise dom0.

- -- 
Andrew David Wong (Axon)
Community Manager, Qubes OS
https://www.qubes-os.org
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