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Amazon FireTv Cube scares the shit out of me (lemmy.world)
submitted 2 years ago by to c/privacy@lemmy.ml
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I just received a new Fire TV cube gen 3, because my old one is malfunctioning. I know, I hate these devices myself, but it's the only option right now, since a new version of the Nvidia shield isn't coming in the foreseeable future.

So, I plugged in the power chord and the HDMI cable into the cube.

When it booted up it showed a screen that it's downloading the newest update. At first I thought this must be some typo-bug on the initial boot steps, because I haven't even connected it to the internet yet, neither via cable nor did I go through the wifi setup.

After the update has finished, I was greeted with my real name and the cube indeed had the actual WiFi settings!

WTF?! How's that even possible?

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[–] 61 points 2 years ago (21 children)

Did you order it using your Amazon account? I think they pre-configure them for you unless you say “this is a gift” when ordering.

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  • [+] [S] -12 points 2 years ago (20 children)

    yes I did order it with my Amazon account

    However, as appreciative as I am for making my setup process easier, I'm also not happy with the fact, that some random dude had access to my device prior to me.

    Who says he's not part of some weird group installing miners or bots onto my device causing it to slow down over time?

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  • [–] 34 points 2 years ago (15 children)

    You have an Amazon account, dude. Amazon already has your fucking information. ALL OF IT. Including things like card numbers, addresses, phone numbers, and your purchasing and viewing habits.

    It pulled wifi settings from another Amazon device that you have, most likely.

    It also downloaded your fucking information when it accessed the internet.

    Do you really think there's some fuckin' rando sitting there doing nothing in an Amazon warehouse until the moment you order this thing, when they just plug it into a server and download your information to it?

    No, it connected to your wifi and downloaded it.

    Welcome to how almost every single electronic device operates.

    If you're worried about miners or bots you shouldn't be purchasing invasive shit to plug into your home network. In fact, you shouldn't even have a home network.

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  • [+] [S] -6 points 2 years ago (14 children)

    No, it connected to your wifi and downloaded it.

    I know thst, but when and how did it get the wifi info.

    Did they automatically flash that onto the device, sealed the box packaged it and delivered it - all within 24hrs.

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  • [–] 18 points 2 years ago (12 children)

    From @7eter below.

    "Frustration-Free Setup utilizes a network of helper devices (such as compatible Echo devices, Fire TV devices, routers, or smartphones with certain Amazon apps) that are already connected to the internet to help you set up new devices in fewer steps. When you turn on a new compatible device, helper devices in range can help it connect to your networks and/or to Alexa via wifi, Zigbee, Bluetooth, or Matter."

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  • [–] 9 points 2 years ago (11 children)

    In other words: your amazon devices are freely giving your wifi info to any nearby new amazon device regardless of whether you've signed into that new device or not.

    Begs the question: What other clearly private info do they give away with 0 auth or verification?

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  • [–] 5 points 2 years ago (10 children)

    "Freely" if you enable the setting as the user posted above.

    with 0 auth or verification

    The verification still needs one of the devices listed in my post to be active on your wifi to allow the setup and communication.

    The auth is likely done by device to device handshake. Its just that there isn't a human involved.

    Don't get me wrong I hate Amazon as much as anyone and would never have one of their devices in my home.

    But most of the other posts in this thread are missing the technical aspect of the question.

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  • [–] 2 points 2 years ago (9 children)

    Depending on a setting being disabled thats more than likely on by default isn't much comfort. Most people won't know about or look for those kinds of settings, especially with the deceptive descriptions often used for features like these.

    To be clear, I don't use these devices either; I'm just concerned for those that don't know any better.

    The verification still needs one of the devices listed in my post to be active on your wifi to allow the setup and communication.

    Yes, that's what I said; your amazon devices are giving away your wifi info to new devices. As in once you've allowed an amazon device onto your network, any new device can add itself to that network via your existing device without your input.

    This happens before the new device has authenticated into your amazon account as it doesn't yet have an internet connection (ie before its proven to be your device and not say a neighbours) and before you manually provide authentication for your wifi. Hence the 'with 0 auth'.

    The auth is likely done by device to device handshake. Its just that there isn't a human involved.

    A handshake between a device you own but have little control over and a device you've never seen before, may not have physical access too, and that could have been compromised before requesting your info. Great.

    I'm not saying they're beaming it out in plain text for all to read; just that they'll give your info to a device you may not even be aware of let alone own or have any control over. That device may be a stock Amazon device, or it could be something more malicious.

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  • [–] -1 points 2 years ago (8 children)

    Yes, that’s what I said; your amazon devices are giving away your wifi info to new devices.

    No, they are not. You make it sound like any asshole can walk by and just turn something on and get your wifi info.

    If you're worried about a device somehow being compromised between being shipped by Amazon and making it to your front door, please dispose of all electronics and go live in the woods. That level of paranoia is not reasonable.

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  • [–] 2 points 2 years ago (7 children)

    Yes, that is exactly what I'm saying as that's what it sounds like.

    If you can buy a new amazon device and have it connect to all your stuff without your input; what stops someone else buying an amazon device and connecting to your network with it?

    Obviously I'm not worried about the device I actually receive; I'm concerned that someone can buy their own device and use it to connect to other people's networks via existing amazon devices.

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  • [–] 0 points 2 years ago (6 children)

    My dude, if someone is able to just walk up to your house with a random device and hang out long enough to establish a wifi connection and pull out any sort of useful data you have WAY BIGGER PROBLEMS than someone potentially using your Amazon account to order dildos.

    First of all, they have to already know you have that device.
    Then they have to physically get close enough to it for a connection to be made.
    THEN they have to hang around long enough for any sort of updates and shit to happen.
    THEN THEN they have to try and figure out how to get any useful data from this connection, which is likely an extremely limited one unless they've already established how to pivot out of the device and into something else in which case they probably would have just done that through your original device anyway.
    THEN THEN THEN they have to find a way to remove said useful information to a device that can actually store it.

    All while standing next to your front door holding their dick.

    It would be FAR easier to just leave a random USB stick on your porch and wait for your dumb ass to forget it isn't yours.

    Or, even easier than that, just goddamn buy your information on the open market. They already have your address. It's not like you can't be found.

    Have I illustrated quite yet why these low percentage attacks are the realm of movies?

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  • [–] 2 points 2 years ago* (last edited 2 years ago) (5 children)

    First of all, they have to already know you have that device.

    Ie: any amazon smart device; which are becoming increasingly popular and found in many homes globally.

    Also, I'm not taking about someone targeting me, you, or anyone specifically. I'm talking about someone wandering around looking for homes that happen to have a vulnerable device and seeing where they can get from there.

    Really not hard to find.

    THEN they have to hang around long enough for any sort of updates and shit to happen.

    Trivial when you consider not everyone lives in a single-family home with significant yardspace around it. Apartments exist, so do smaller multi-family dwellings.

    THEN THEN they have to try and figure out how to get any useful data from this connection

    The useful info here being your WIFI password (the info this connection is intended to spread) allowing an attacker to piviot to the rest of your network.

    THEN THEN THEN they have to find a way to remove said useful information to a device that can actually store it.

    This would be where I've repeatedly talked about an attacker being able to purchase an amazon device, jailbreak it, and use it to connect to your network

    They can buy a device from Amazon then have all the time in the world to figure out a method of retrieving data from it. Once a method is worked out, they then deploy it against unsuspecting victims. (ie any random home they can get near and find an amazon device thats broadcasting looking for new devices)

    if someone is able to just walk up to your house with a random device and hang out long enough to establish a wifi connection and pull out any sort of useful data you have WAY BIGGER PROBLEMS

    I completely agree which is why I'm not happy with Amazon providing a hole to achieve exactly that.

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  • [–] 1 point 2 years ago (2 children)

    Can't this all be prevented by the already connected devices checking if the new device matches a newly purchased, not yet set up device in your purchase history? Really slim chance someone eavesdrops on its id and retransmits fast enough to hijack the setup

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  • [–] 1 point 2 years ago (1 child)

    Possibly.

    A) has amazon actually implemented such a system?

    B) do you trust it's functioning correctly? Both now and for the foreseeable future.(would/could you even know if it wasn't?)

    Side note: does this feature work with factory reset and/or re-sold devices?

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  • [–] 1 point 2 years ago*

    I don't see why they wouldn't. No way to verify I guess but it's really hard to think Amazon wouldn't come up with a system equivalent or better than what I did while reading this thread.

    I imagine it'd be a one time convenience thing, or maybe you could open amazon and click 'set up this device again' or something and it reactivates

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  • [–] 0 points 2 years ago (1 child)

    Oh, by the way, the person with the device has to have received one that wasn't already tied to THEIR account in any way. You know, like by the automated system that sends these things out reading a barcode on the side of the box that associates device IDs with a particular account. Not sure about anything else but this was the case a decade ago when I bought my first Kindle. I'd imagine it's a bit more sophisticated now.

    Go hang around a random apartment complex with wifi sniffing boxes and see how long it is before someone tackles you.

    Honey, if you think a wifi password is needed to pivot to a network then you don't know what the word pivot means. At that point you're fucking BREACHED, BITCH. There's no pivoting, only ownership.

    Ah yes, just jailbreak the Amazon device with phantom software that somehow has completely different checksums but still... has the same checksums.

    All of this just illustrates you're an ignorant-ass that doesn't know how any of this works, wringing your hands about scenarios that DO NOT EXIST IN THE REAL WORLD.

    If I absolutely need to get into your network I'm not fucking around with a fucking rooted Amazon FireTV I'm just going to CRACK YOUR FUCKING WIFI PASSWORD DIRECTLY.

    Apparently I have all day every day to fuck around so why do I give a shit about it taking a week or two?

    More likely, I'll walk up to your door with my phone in my hand and go "Hey, I just moved into the apartment next to yours and the wifi up at the office is broken. Could I log onto yours for a moment and pay a bill real quick? I apparently don't get any damn signal here either. I just moved from a fuckin' building where I had no signal, you'd think they'd have figured it out by now!"

    And almost every time this will be more than enough.

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  • [–] 11 points 2 years ago

    At some point with the old device you agreed to Amazon saving used WiFi networks on your account, it asks you during setup of all Amazon internet connected devices. All Amazon has to do is connect the device serial number with your Amazon account ID, which is one of the options when you buy an Amazon device.

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  • [–] 25 points 2 years ago (3 children)

    it's probably automated

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