Questions tagged [bluetooth]

Bluetooth is a technology that allows for wireless communication between hosts.

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2answers
107 views

Is Bluetooth on cellphone a reliable protocol for encrypted text transmission?

I'm developing a solution for secure chat over instant messaging, here is the scenario: I need to encrypt my message then send it on {Whatsapp, telegram, Wechat,...}, I don't trust any software above,...
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50 views

Where are the drivers stored on usb receivers? [closed]

I am wondering where the firmware / driver is stored on these devices? If it cannot be used as a storage device, how could it possibly store any firmware for itself? How could I access these "files"? ...
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Standards restricting bluetooth/usb access?

AFAIK in most OSes an app is given access to USB and Bluetooth and it's fairly blanket access. I believe maybe iOS now has per app Bluetooth access controls but if you give an app bluetooth access it ...
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1answer
102 views

Is it possible to track by Bluetooth headphones

Is it possible to find bluetooth device if I have MAC of the device.
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1answer
117 views

Security risk of leaving bluetooth on all the time on an Android 10 phone

What are the security risks associated with leaving bluetooth on all the time on a Pixel phone updated to Android 10? In this question, I am NOT focusing on the risks associated with someone ...
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How do I know a USB Bluetooth Adapter is safe to use? [duplicate]

I've found several extremely cheap USB Bluetooth options and, while the reviews say they work, I am skeptical of them because they are so cheap/have no name brand recognition. Here is the main one I ...
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Can a wireless headphone contain malware which can infect an Android device? [duplicate]

I go to conferences and there are often free bluetooth earbuds and headsets given away. If I pair them with an Android device, is it possible for them to infect the phone with a virus? I have read ...
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163 views

How can I check if my Bluetooth devices are vulnerable to a KNOB attack?

On Linux and/or macOS, how can I check if a device is vulnerable to a Key Negotiation of Bluetooth (KNOB) Attack? And if a device is vulnerable, is there something I can do to mitigate the danger?
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Bluetooth security [closed]

How secure is it to use Bluetooth handsfree? Can't someone eavesdrop the signals and listen to the conversation? Does encryption in Bluetooth secure the information? Can I use anyother tool ...
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1answer
67 views

Syncing Bluetooth in a vehicle and access text messages from the phone?

If you connect your Bluetooth to a vehicle for music, can the owner of that vehicle download your text messages without your knowledge or can it download the messages that have been erased?
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2answers
75 views

Mobile phone is picking up 13 bluetooth devices and not sure what they are?

I have a particular problem with a potential security breach. I bought a new device today that connects to my phone via Bluetooth. Nothing strange about that. Surprisingly when I turned Bluetooth on ...
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2answers
500 views

Can neighbour hear my bluetooth headset?

I'd like to buy a wireless bluetooth headset to not disturbing others by my TV sound but I'm wondering how private the transmission will be? Can a neighbour with a bluetooth headset hear my TV's ...
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53 views

Bluetooth keyboard encryption with Android

I was looking to purchase a Bluetooth keyboard to use with an Android phone. I am looking at these 2 models https://www.amazon.com/dp/B01LS32D52/ref=cm_sw_r_tw_dp_U_x_pZZVCb0QN7CQE https://www....
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1answer
779 views

How to sniff bluetooth traffic to Android app?

Please bare with me with this introduction to the problem. Unfortunately title might be confusing, but it's hard to came up with proper one - let me show you why. I'm trying to decode WM-Bus (Smart ...
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1answer
131 views

Can a bluetooth mouse be controlled by another bluetooth mouse?

Is it possible to have bluetooth in my machine being controller or (if not interfered) by another bluetooth mouse in nearby computer? What prevents it? What if they have same pairing code? I'm not ...
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53 views

How to test actually implemented bluetooth security level (BR/EDR)

I know that bluetooth supports different security modes and levels (Core Spec Vol. 3 Part C, 5.2). Dependent on these modes and levels, certain encryption and authentication is required. How do I ...
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596 views

Bluetooth vs USB Mouse Security

I had a question regarding the use of Wireless mice and security. In general which method of using a wireless mouse is considered more secure, using a mouse with a USB dongle, or using a mouse that ...
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1answer
646 views

Just Works Bluetooth Low Energy Security

I have been puzzled the past couple days about bluetooth low energy security. My situation: I am looking at what it might take to secure unpaired BLE connections. In some cases, and essentially ...
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1answer
289 views

Is it possible to intercept Airdrop data transfer be intercepted?

If I am logged into a school WiFi and I airdrop a photo to someone can the school see what I airdrop? Or what I am searching using their WiFi?
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1answer
131 views

Are there any known exploits against bluetooth mice or keyboards?

Most wireless mice are not bluetooth. There are known exploits that take over wireless mice and use them as a keyboard. Are there known exploits that can remotely inject malware directly over ...
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2answers
131 views

Proprietary RF Protocol Security

I've just been reading this article on proprietary RF protocols vs Bluetooth and it seems to be suggesting that the security through obscurity gained through a proprietary protocol is advantageous ...
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2answers
3k views

MAC randomization for Bluetooth?

Companies, governments, etc. can track Bluetooth and WiFi network scans passively by looking at a same MAC address over space and time (Bluetooth/WiFi Identity tracking in public spaces - How to ...
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1answer
539 views

Can I find out what encryption is used by my Android Bluetooth keyboard?

I've got an Android tablet (Samsung Tab S2) and a Bluetooth keyboard (Celicious Tri BK01). I occasionally use the keyboard to enter my password. Is there any way, in Android, to find out whether the ...
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1answer
150 views

Should I encrypt Blutooth communication?

I'm making an Android app which needs to safely communicate with PC app over Bluetooth. I'm going to use RFCOMM for that purpose. Since apps will exchange user authentication details, there should be ...
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1answer
110 views

Can code be transmitted through computers’ antennas? [closed]

I have an Acer Aspire E15 5-575. I removed its WiFi card, while kept its black and white antennas intact. I did this to avoid being discovered by long or short range wireless transmissions, wanting to ...
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1answer
235 views

What could MitM'ed U2F do?

Google has now released their "Titan" keys to the general store (albeit via a waitlist). When they first announced their product, Yubico, their chief competitor, decried the use of Bluetooth: ...
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1answer
596 views

BLE 4.2 LE Secure Connection

I am looking at getting the most secure connection between two BLE devices without an I/O capabilities but I am slightly confused by what is going on. So without I/O capabilities the highest security ...
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1answer
516 views

Smartphone app as a U2F hardware token via Bluetooth?

Quoting from agl's article from Mar 2018: At the time of writing, all Security Keys are based version one of FIDO’s “Client To Authenticator Protocol” (CTAP1). [...T]he core protocol [can be] ...
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1answer
193 views

Bluetooth low energy encryption using chacha20-poly1305

The BLE data is encrypted using AES-CCM. the TLS1.3 removed AES-CCM from the cipher-suits due to security issue. My question : why don't they encrypt the BLE using chacha20-poly1205 ? is it because ...
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1answer
1k views

Can a bluetooth speaker contain malware?

Can a bluetooth speaker contain malware? If someone were to find a random bluetooth speaker laying around and tries to connect with it, is there a possibility that the speaker has malware in it?
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1answer
420 views

How can I check if my second hand Apple wireless keyboard contains a keylogger?

I just got a cheap second-hand magic keyboard (Apple). Is there any way to check if it's been key logged? I cannot see any screws or openings other than the one for the battery pack.
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1answer
4k views

Can I know that my bluetooth speaker has been hacked?

I have a JBL Go bluetooth speaker paired with a Dell laptop running Ubuntu 17.10. I suspect malicious intermittent activity on that speaker, but I am not sure and I am looking for proof or evidence ...
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1answer
275 views

Does TLS protocol make encryption at L2/L3 layers redundant?

If a pair of endpoints are using TLS protocol for secure data exchanges, does it make the encryption at the network or MAC layers redundant? E.g. if I create a TLS session between two endpoints ...
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1answer
210 views

Is it risky to use an untrusted keyboard?

Suppose you're buying a new keyboard (say USB-wired, but consider Bluetooth connected as well) from Ebay. Is it risky to use that keyboard in a sense that it could be more than just a keyboard? ...
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3answers
2k views

Wired VS Wireless Mouse & Keyboard Security

Wired VS Wireless Mouse & Keyboard Security For someone who is trying to maintain the highest level of security, which option proposes the LEAST amount of security flaws? Wired Keyboard & ...
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1answer
2k views

BLE 5.0 security vs. 4.2

Is there any material improvement/difference in BLE security controls/requirements in BLE 5.0 spec as compared to BLE 4.2 spec? I skimmed through the BLE bits in the huge Bluetooth 5.0 core spec but ...
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1answer
101 views

Is Apple compromising network security with its default settings, which allow users to provide network credentials to other users with one tap?

This article summarizes the functionality that has been recently added to Apple devices. My colleagues have expressed concerns about this feature eroding network security at the office. My ...
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1answer
2k views

Random bluetooth pairing requests in public

Lately, whenever I take public transportation my phone is bombarded with bluetooth pairing requests. I have my bluetooth on because I am listening to music with bluetooth headphones, and in Android 8....
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Is there any way I can 'securely' use Bluetooth on non BlueBorne fixed Android and/or notice potential attacker?

I have Sony Xperia XA1 Android 7, and the security patch is from August, so obviously Sony doesn't consider BlueBorne any serious danger. However, I'm worried my device can be hacked. I'm using ...
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156 views

How do I protect my old devices against BlueBorne? [duplicate]

I have a bunch of Android devices for which there either is no patch to protect them against the BlueBorne exploit or I cannot install a patch without losing all the data. The most obvious thing ...
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1answer
165 views

Is there a security risk using bluetooth computer speakers?

I need to get new computer speakers/subwoofer and bluetooth speakers sound great since they would decrease the amount of wires around my desk. Is there a security risk having bluetooth enabled all the ...
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1answer
201 views

So is the phone without BLE vulnerable before BlueBorne or not?

It is already known that BlueBorne poses no danger to Android-devices using Bluetooth Low Energy. For other cases, there were updates that were included in the September Android Security Bulletin. ...
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0answers
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Why is Bluetooth Using Cellular Data when it is turned off?

I reset the Cellular data statistics on my iPhone 6 yesterday and went to Settings > Cellular > System Services. I noticed that Bluetooth had used 3.3 KB of Cellular data. A few hours later, I noticed ...
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2answers
3k views

What is BlueBorne and how to protect myself?

Since this is a hot-topic this week, I'm looking for a canonical answer: What is the BlueBorne Bluetooth vulnerability? How to protect myself?
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2answers
576 views

Can a compromised car stereo spread vulnerability to a connected phone via bluetooth

I have an older cheapo JVC car stereo with bluetooth. I used an app to check for Blueborne vulnerability ("Blueborne Vulnerability Scanner," no longer available) which said the stereo was high risk. ...
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2answers
1k views

How will we stop BlueBorne on older devices?

The BlueBorne vulnerability was announced on September 12, 2017. It's a family of attacks against several implementations of the Bluetooth protocol that enable full compromises of various Bluetooth ...
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1answer
2k views

Is a no-pairing, no-password Bluetooth RFCOMM connection secure?

I have programmatically established a Bluetooth RFCOMM connection between a Desktop PC (client) and a Raspberry Pi (server, Bluetooth 4.1). There is no request for password and no request for pairing ...
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1answer
149 views

Bluetooth tethering and WiFi hot spot

I am using bluetooth tethering through my one android phone to another android phone and i am using free VPN app on my second android phone which is connected by bluetooth tethering to open Facebook ...
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1answer
211 views

Does a “Barge-in Attack” exist for unencrypted Bluetooth Low Energy connections?

Does what I'm calling a "barge-in attack" exist for Bluetooth Low Energy? This is a type of Man-in-the-Middle attack, I guess, but unlike in most discourse on BLE security, the attacker does not ...
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0answers
81 views

How feasible would forced unpairing of paired bluetooth devices be?

What are the possible ways an attacker could force two paired devices to unpair? What it be any different for classic bluetooth and bluetooth smart?