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rpdom
Posts: 12114
Joined: Sun May 06, 2012 5:17 am
Location: Essex, UK

Re: STICKY: USB boot now working on Pi3

Wed Dec 13, 2017 6:15 pm

fluffysheap wrote:
Wed Dec 13, 2017 10:52 am
"just don't do that" isn't an option for a security vulnerability.
Yes, it is.

That bit would have to explicitly be set. If someone is able to get into your system and do that then they already have full access to it.

ejolson
Posts: 1148
Joined: Tue Mar 18, 2014 11:47 am

Re: STICKY: USB boot now working on Pi3

Thu Dec 14, 2017 5:18 pm

rpdom wrote:
Wed Dec 13, 2017 6:15 pm
fluffysheap wrote:
Wed Dec 13, 2017 10:52 am
"just don't do that" isn't an option for a security vulnerability.
Yes, it is.

That bit would have to explicitly be set. If someone is able to get into your system and do that then they already have full access to it.
Good security is not just about having a hard eggshell which is difficult to break, but about limiting the consequences once inside. There is, in fact, an unfortunate amount of hardware that can be permanently damaged or disabled by criminals using malware. Setting the USB boot bit is less troublesome than most other things that could happen. As rightly pointed out, the consequences of a security breach need to be considered when designing the hardware.

esingolo
Posts: 2
Joined: Sat Jul 29, 2017 5:33 pm

Re: STICKY: USB boot now working on Pi3

Sat Jan 13, 2018 3:46 am

Will it hurt my pi 3 if it is able to boot from SD card and usb. Mine is capable of doing both.

W. H. Heydt
Posts: 7906
Joined: Fri Mar 09, 2012 7:36 pm
Location: Vallejo, CA (US)

Re: STICKY: USB boot now working on Pi3

Sat Jan 13, 2018 5:42 am

esingolo wrote:
Sat Jan 13, 2018 3:46 am
Will it hurt my pi 3 if it is able to boot from SD card and usb. Mine is capable of doing both.
Nope. No harm at all. It will try the SD card, if not present or not bootable, it will "look" for a bootable USB device.

lachiepostma
Posts: 1
Joined: Tue Feb 06, 2018 6:58 am

Re: STICKY: USB boot now working on Pi3

Tue Feb 06, 2018 7:02 am

if i use this feature, will i still be able to boot of a micro sd card?

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fruitoftheloom
Posts: 15707
Joined: Tue Mar 25, 2014 12:40 pm
Location: Bognor Regis UK

Re: STICKY: USB boot now working on Pi3

Tue Feb 06, 2018 8:15 am

lachiepostma wrote:
Tue Feb 06, 2018 7:02 am
if i use this feature, will i still be able to boot of a micro sd card?
YES !!
My only "PC" is an Asus ChromeBit running ChromeOS, cloudcentric at its best !
Rockchip Quad-Core RK3288C ARM32 SoC as used in ASUS Chromebook C201 & Chromebook Flip C100PA as well as the Tinker SBC.
Huawei Mate 10 Pro - 4G Internet

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