Comments (4)
Unsure if I am following the question. There are several secure JTAG implementations (platform / board dependent) that do require authentication and sometimes have the ability to monitor the JTAG bus for electrical pulses to disallow debugger connections. The problem is that there is not a secure JTAG standard that is followed.
FPGAs do have debug capabilities. See the following:
https://www.xilinx.com/products/intellectual-property/debug-bridge.html
https://www.xilinx.com/products/design-tools/vivado/debug.html#remote
from iot-security-verification-standard-isvs.
I wasn't clear: I suggest that the clause 1.2.5. applies to all debug capabilities, and not only FPGAs. This includes "administrative backdoors". The authentication part should be covered by 1.2.4.
From what I understand, the current requirement only targets FGPAs. We can imagine a device externalizing the development of its web panel to a 3rd party that leaves HTTP Trace enabled.
Again: the suggestion is to extend the clause to all interfaces beyond FPGA :)
from iot-security-verification-standard-isvs.
Ah, I see. Debug capabilities or features may always exist in some form. 2.2.4 and 1.4.1 overlap a bit but cover security controls around debug functionality beyond hardware.
I think we would want to add a little more to this FPGA requirement such as:
Verify that debug capabilities in FPGAs are disabled on production PCBs.
Other thoughts:
Add a level 3 requirement around FPGA bitstream encryption.
Verify that FPGA bitstreams are encrypted.
Might make sense to move 1.2.4 and 1.2.5 out to chapter 5. @cbassem Thoughts?
from iot-security-verification-standard-isvs.
Applied updates to 1.2.5 and added an L3 in chapter 5 for FPGA bitstream encryption
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Related Issues (20)
- Difficulties to check 1.1.1. HOT 5
- 1.2.3. Security-by-default HOT 4
- Create 1.2.9. Integrity (and authenticity?) verification HOT 1
- Create 1.2.10 Secure update provisions HOT 2
- 2.x Configuration backup HOT 1
- 2.1.16 is confusing HOT 1
- 2.3.5. Privacy Policy HOT 1
- 3.4.12. Secure communications HOT 4
- 3.4.13. Authorization to update HOT 1
- Usability regarding WPS HOT 1
- Modify or remove 3.2.10 IMA HOT 1
- Missing Freeze and Mix & Match attack cases HOT 1
- LoRaWAN security requirements requested
- L3 requirements for Bluetooth and Wifi aren't high enough HOT 2
- Replace GitBook
- Detect & Response set of requirements missing HOT 1
- V2: Missing anti-bruteforce & reauthentication requirements in authentication section HOT 2
- 3.2.9 RAM scrambling? HOT 1
- 4.1.2: Align recommendation on TLS with ASVS HOT 1
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