Ask Noah Show

Ask Noah Show 432

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This week the news of an "ESP backdroor" spread around the internet like wildfire. We dig into the technical details as to what happened, and what if any, the risk is.

-- During The Show --
00:52 Intro
  • Thank you for visiting at Scale
  • Weather
  • Cutting Silicon Wafers
  • YouTube Video
    • Sleuth - Live
    • Ham Radio Liscnse Address requirement
    • ARRL Privacy
    • Private Mail Box
      • Nomads With a Purpose
      • Dakota Post
      • America's Mailbox
      • QSL Cards
        • 09:15 HVAC follow up - Ziggy
        • Boiler Heat
        • Equipment Interface Module
        • How boilers work
        • ESP32
        • Pull the old thermostat
        • Be careful making changes on the boiler
        • Venstar Thermostats
        • Honeywell Intrusion
          • 21:49 Fedora on PI Boot Problems - Mark
          • Other people report Fedora "hangs" on Raspberry Pi 4
          • Try it on another pi
          • Raspberry Pi 5
            • 27:16 News Wire

            • Samba 4.22 - samba.org

            • Pipewire 1.4 - gitlab.freedesktop.org

            • Thunderbird 136 - thunderbird.net

            • Firefox 136 - mozilla.org

            • Ubuntu Touch OTA 8 - ubports.com

            • ExTix 25.3 - linux.exton.net

            • Tails 6.13 - torproject.org

            • Garuda Linux Broadwing - opensourcefeed.org

            • Malicious Go Packages - thehackernews.com

            • Alibaba qwq - venturebeat.com

            • Light-R1-32B - venturebeat.com

            • EFF Rayhunter - eff.org

              • 28:38 Software Freedom Conservancy Interview
              • Denver Gingerich - Director of Compliance
              • OpenWRT One
              • Powered over PoE
              • $10 of purchase price goes to OpenWRT
              • Target audience
              • Un-brickable
              • Made by BananaPi
                • 36:10 Considering OpenWRT One
                • Steve for family?
                • On par with any consumer router
                • OpenWRT vs OPNSense
                • Very well put together
                • 39:35 ESP32 "Backdoor"

                • The basics

                • Wireless has to talk

                • What the company did

                • opcode3f

                • Undocumented Commands

                  • 0xFC30 - Register Read
                  • 0xFC31 - Register write
                  • 0xFC32 - Set MAC Address
                  • 0xFC07 - Write Flash
                  • 0xFC08 - Read Flash
                  • 0xFC0E - Send LMP Packet (different layers of the bluetooth stack)

                  • What they are not telling you

                  • Much to do about nothing

                  • Ycombinator.com

                  • Espressif Response

                  • Dark Mentor

                    • 46:37 Vizio Lawsuit
                    • SFC filed Oct 19 2021
                    • Vizio tried to move the lawsuit
                    • Going to trial in this year in Oct
                    • SFC became a hardware manufacture to avoid fighting these lawsuits
                      • 51:00 Steve's eBook Tinkering
                      • Started to help ChrisLAS
                      • Extending the program
                        • -- The Extra Credit Section --

                        For links to the articles and material referenced in this week's episode check out this week's page from our podcast dashboard!

                        This Episode's Podcast Dashboard

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                        Ask Noah Dashboard

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                          Ask Noah ShowBy Noah J. Chelliah
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