"cold boot attack" https://citp.princeton.edu/research/memory/
On Mon, Mar 23, 2015 at 7:50 AM, Norman Feske <norman.feske@...1...> wrote:
Hi Tim,
I was wondering how the virtualbox implementation on top ofgenode/nova fares against this type of attack: https://hsmr.cc/palinopsia/
is 3d acceleration used? is there strong isolation of the video memory?
our version of VirtualBox does not use/support hardware-accelerated graphics. We needed a GPU driver first.
Thanks for the link. It is important to keep such attack vectors in mind. It also bears the question: Does your BIOS clear all physical memory at boot time? If not, couldn't an attacker with physical access to a machine (i.e., a stolen laptop that may still be locked with a screensaver) reset the machine, boot a custom OS from a USB stick, and scan the memory for credentials? What would be a viable defense against such a scenario?
Cheers Norman
-- Dr.-Ing. Norman Feske Genode Labs
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