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INTEL_ME_NOT_FOR_ME
September 4, 2021
In 2017, Sylvain Leroux wrote:
"Intel claims that ME is needed to get the best of
your Intel Chipset. Most useful, it can be used https://itsfoss.com/fact-intel-minix-case/
especially in a corporate environment for some
remote administration and maintenance tasks. But,
no one outside Intel knows exactly what it CAN
do. Being close sourced that leads to legitimate
questions about the capabilities of that system
and the way it can be used or abused."
"For example, Intel ME has the potential for
reading any byte in RAM in search for some keyword
or to send those data through the NIC. In
addition, since Intel ME can communicate with the
operating system-- and potentially applications--
running on the main CPU, we could imagine
scenarios where Intel ME would be (ab)used by a
malicious software to bypass OS level security
policies."
My first thought: is this yet-another-reason to get away
from Intel and use AMD-based computers?
"But from what I can tell, the AMD Accelerated
Processing Unit (APU) line of microprocessors have
a similar feature where they embed an extra
ARM-based microcontroller, but this time directly
on the CPU die. Amazingly enough, that technology
is advertised as 'TrustZone' by AMD. But like for
its Intel counterpart, no one really know what it
does. And no one has access to the source to
analyze the exploit surface it adds to your
computer."
From Andrew Tannenbaum (the author of Minix):
https://www.cs.vu.nl/~ast/intel/
"Companies rarely talk about future products
without NDAs. I figured it was a new Ethernet
chip or graphics chip or something like that. If
I had suspected they might be building a spy
engine, I certainly wouldn't have cooperated ..."
"I think creating George Orwell's 1984 is an
extremely bad idea, even if Orwell was off by about
30 years. People should have complete control over
their own computers, not Intel and not the
government. In the U.S. the Fourth Amendment makes
it very clear that the government is forbidden from
searching anyone's property without a search
warrant. Many other countries have privacy laws
that are in the same spirit. Putting a possible spy
in every computer is a terrible development."
In "Google Working To Remove MINIX-Based ME From Intel Platforms",
Leon Chan, 2017 wrote:
https://www.tomshardware.com/news/google-removing-minix-management-engine-intel,35876.html
"Intel’s ME technology is a hardware-level system
within Intel CPUs that consists of closed-source
firmware running on a dedicated
microprocessor. There isn’t much public knowledge
of the workings of the ME, especially in its
current state. It’s not even clear where the
hardware is physically located anymore. At its
inception in 2006, the ME was reportedly located
on the MCH (northbridge), but when that became
integrated into the CPU beginning with Nehalem,
ME was moved to the PCH (current-day
'southbridge')."
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