Questions tagged [raspberry-pi]

A series of tiny hobbyist computing devices designed and developed in the UK by the Raspberry Pi Foundation with the aim of teaching basic computing and programming in schools.

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Antivirus/DPI Solution with openvpn server

I wish to set up a system that I log into with openVPN on my Raspberry Pi 4. I have already set up an openVPN server with a PKI infrastructure as well as other services that run on the Pi (like pi ...
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113 views

How can I exploit a Buffer Overflow on a Raspberry Pi 4?

I am trying to exploit a bufferoverflow on raspberry pi 4 which makes use of Cortex-A72 (ARM v8) 64-bit SoC. The linux kernel version is v4.19 and the OS a Debian Buster compiled for the raspberry pi ...
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78 views

Monitor mode not sniffing from other devices on the same network

i'm currently running a 802.11n adapter in monitor mode on a kali linux PC. Monitor mode was enabled using airmon-ng. On the same network as the kali linux PC are 2 raspberry pi devices. Pinging from ...
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36 views

connecting to raspberry pi through VPN? No local connection , no port forwarding

i'd like to connect to the raspberry pi remotely.. through my research i have found SO MANY ways to do this through port forwarding on the local network router. And most of my search results come up ...
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4answers
15k views

Can Snort run on a Raspberry Pi?

I am in the preliminary stages of designing a cybersecurity suite for my home network. I don't have any servers or anything, just the standard home setup (computers, tablets, game consoles). The ...
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1answer
45 views

Bluetooth vulnerability on a Raspberry PI running Raspian

Is it possible for someone to exploit a Raspberry PI running Raspian through bluetooth just by having the bluetooth enabled?
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126 views

WiFi security against spoofing attacks

I am about to install some custom pi cameras that connect to my network via WiFi. I know people hack wifi through spoofing SSID. My password is randomly generated and is impossible to brute force ...
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3answers
43k views

Turn RPi3 Wi-Fi adapter into monitor mode using airmon-ng

For some reason, I can't turn the built-in Wi-Fi adapter on the new Raspberry Pi 3 into monitor mode like I used to do on other platforms. First I kill the processes that interfere with sudo airmon-...
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1answer
117 views

Is tails needed to securely generate a PGP key on raspberry Pi?

I understand that usually one should use Tails on a trusted machine to generate PGP keys. However, I find it difficult to trust a machine with an Intel CPU, many wireless interfaces, a hard disk that ...
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1answer
99 views

Where to store pydrive secret?

Backstory: been toying with the idea of setting up some raspberry pi cctv cameras. originally I was going to store all footage for 31 days (complying with DPA) on a network drive but decided against ...
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1answer
1k views

Port-forwarding to a web server on Raspberry Pi

I've recently created a relatively simple smart Christmas tree which is a Raspberry PI Zero W powered LED strip. In order to control it via IFTTT webhooks, I've started a lightweight flask server on ...
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54 views

Packets shown are mostly 802.11 despite open network

I'm currently trying to see if it's possible to sniff MQTT packets between two raspberry pi's from a wireless adapter in monitor mode attached to my PC. I ran the following command on my PC (Kali ...
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1answer
210 views

How can I hide my mac address when using a public wifi? [duplicate]

As a new student of cyber security, I have started to see in real-time how an individual can actually scan and view the mac addresses on a public wifi connection. How can I hide my mac address when ...
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1answer
100 views

End-2-End and server to server encryption over home network

I am setting up a private home management system containing several daemons/servers and a few clients to connect from. I am trying to achieve end-to-end encryption with the most monitoring and health ...
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0answers
415 views

Use TPM 2.0 to automatically decrypt the SD Card in Raspbian OS

I'm a college student trying to complete the first part of a rather large project, but I'm new to TPM, and Linux. What I'm trying to do is have TPM handle automatic decryption of the root ext4 ...
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571 views

Preventing Basic Directory Traversal Attack in Linux application

I have a Raspberry Pi connected to my network and keep getting this vulnerability warning from my security software. I turned off the apache2 web server on the Pi, which fixed my port 80 issue but ...
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1answer
165 views

Was the Raspberry Pi-related NASA JPL network breach primarily caused by the failure to keep an updated list of authorized devices?

The question What information was stolen from JPL during the Raspberry Pi hack? refers to an event in recent news (e.g. Engadget's A rogue Raspberry Pi helped hackers access NASA JPL systems) and ...
11
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1answer
3k views

wget: what security issues am I not considering?

Questions: based on the details provided below, (a) what potential security vulnerabilities and threats might I face in my use of wget and (b) what recommendations would you give for mitigating those ...
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36 views

Apache - Adding Redirect to sub-directory V/S changing DocumentRoot

I want to understand security implications of changing DocumentRoot in Apache to an installed website versus adding a RewriteRule. The reason I ask this, I have a website that is installed under /var/...
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1answer
193 views

How should I use Facebook while giving as little information as possible?

As a college student, Facebook and Messenger are virtually necessary to have in my life for communicating with clubs, classmates, finding housing, and more. As much as I want to get rid of them, it's ...
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1answer
164 views

website hacked by someone proxying over a tor router

I'm curious to get an opinion on following: If someone decides to exploit some sort of vulnerability in a web application of mine or performs something of malicious intent, would this individual be ...
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1answer
81 views

Could an infected .iso file infect a PC that is running a disc burning or drive imaging program?

I can't seem to find too much on this, but I'm worried after realizing I downloaded my Raspbian image from HTTP, and wrote it into a USB stick without verification. I'm worried, especially since I ...
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0answers
123 views

Hacked Raspberry-pi server

My internet provider doesn't let me open my ports, it's an optional service, and even when they finally said over the phone that I was allowed to open the ports I was still not able to. So I was ...
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2answers
4k views

How to connect a Raspberry Pi IDS to the home router to detect intrusions network wide?

I'm configuring a raspberry pi IDS/IPS with ELK stack on a separate machine, my problem is to connecting it to the router in a way it can read traffic on the whole network and drop the suspicious ...
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2answers
67 views

Using command (dd if=/dev/mmcblk0p1 | sha1sum) while running from initramfs

I have an opensource airgapped raspberry pi project seen at the following link: www.privatekeyvault.com I have provided a method for installing LUKS full disk encryption seen at the following: https:/...
64
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1answer
77k views

Diffie Hellman parameters still calculating after 24 hours

I have a fresh install of Arch Linux on a RaspberryPi model B. I'm setting up OpenVPN and using easy-rsa with OpenSSL 1.0.2d to generate initial keys and certificates. All went fine until I ran ./...
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347 views

I think my raspberry was hacked, what should I do? [duplicate]

First of all, sorry if all of this seems a bit stupid, but my field of expertise is software development, not security. So, here is what happened. 1/ The breach I did something I really shouldn't ...
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144 views

UFW (Uncomplicated Firewall) Question

I was wondering if there's any benefit of adding following rules to a Raspberry-Pi directly exposed to the internet: sudo ufw deny to 0.0.0.0/8 && sudo ufw deny to 169.254.0.0/16 && ...
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1answer
640 views

using secure boot in embedded systems

The whole idea about using Secure Boot in Embedded Systems to boot an operating system is new to me. I've never paid much attention to it previously. I just know that it prevents the loading at start-...
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0answers
128 views

How secure is a file on a raspberry pi?

Let's say I change the password for the root & pi user to something impossible to brute force, say 20 characters. Then in one of my files on my raspberry pi, I hardcode a password. Is this ...
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2answers
137 views

Is ssh secure if I dont port forward?

If I have a Raspberry Pi, and I install noobs on it. If i connect it to my router and log in with the default user pi over ssh to create another user to then delete the pi user, is it secure? Since ...
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1answer
2k views

How to block traffic coming from an “public” WiFi hotspot and going to the LAN (iptables)

I followed this tutorial (http://elinux.org/RPI-Wireless-Hotspot) for an Wifi Hotspot in the guesthouse. This is working fine, but every device on the WiFi network can reach any LAN device in the LAN ...
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1answer
287 views

IFTTT maker channel and Security Concerns

This is about IFTTT Maker Channel and security around it. They announced a new Maker Channel recently where you can receive and make web requests for automation. For example, I can turn ON/OFF my ...
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1answer
725 views

best way to encrypt code and data on IOT device?

I have R scripts which are running on a Raspberry Pi device. I want to encrypt the code and data on the device so that if anyone unmounts the disk and try to read the content via other devices they ...
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0answers
28 views

Linux aarch64 security update provision, Raspberry Pi

Do any of the major Linux distributions (Fedora, Debian, Arch, Ubuntu, etc.) provide timely security updates for the aarch64 architecture for kernel and other standard system components present in a ...
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1answer
361 views

Hashing password longer than 14 characters in wpa_supplicant.conf

My college has a WPA2 Enterprise network, which I can connect to on my Pi after configuring the network in wpa_supplicant.conf. I don't want my Wi-Fi password stored in plain text, so I use echo -n $...
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1answer
314 views

Additional risks to home network in exposing (raspberry pi) honeypot to the internet

While I would like to contribute piping of logs from a home-deployed honeypot to the DSHIELD project using a raspberry pi, I am concerned that the additional exposure of the port to the internet would ...
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4answers
184 views

How to secure automatic SSH connection

I have Raspberry PI 3 which has 4G modem dongle attached to it. It works autonomously and every one in a while has to connect to my server via ssh. This is done by service script either with password ...
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1answer
322 views

Would an RP3 do well as a firewall appliance?

I have seen this post about the Raspberry Pi for use as an IDS. But how well would it do as a firewall appliance in a residential setting? I will soon be setting up a new network and want to exercise ...
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1answer
1k views

How to prevent ARP poisoning with hostapd and iptables?

I have a raspberry pi and hostapd and iptables are running on my pi. However iptables cannot block the wifi clients from communicating with each other, thus I cannot prevent them from sending out ARP ...
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1answer
2k views

Does a raspberry pi VPN do anything?

Does a raspberry pi vpn do anything besides hide your traffic on your local network? Can your ISP still see what traffic you are sending? Are homebrew openvpn raspberry pi vpn servers a viable source ...
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3answers
3k views

Protect Raspberry Pi's physical sd card to be swapped

Scenario: In a company there are Raspberry Pis which are connected to its network environment. A person with bad intentions could swap the SD card and replace it by his own which makes the Pi to a "...
3
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0answers
441 views

Raspberry Pi (Raspbian) not capturing WPA2 handshake with Aircrack-ng [closed]

I've been using Aircrack for a short time now with my Alfa wfif adapter on my laptop and it's been working perfectly. However when I try and do the same thing on my Raspberry Pi it's having issues ...
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0answers
184 views

Connect RFID readers with system/PC [closed]

I have a Raspberry Pi, HID smartcard (HID iClass Px G8Y), HID Card Reader (RP40 multiClass). What I am trying to do is to read the data from this smartcard via the Card Reader onto my system (Laptop/...
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2answers
852 views

RaspberryPi3 wont show fake AP created by Airbase-ng

Im using Aircrack-ng suite to apply an evil-twin attack with my RaspberryPi3 operated by Kali-linux on another RspberryPi3 with Raspbian Jessie. The steps are as followed: 1.configuring the apache2 ...
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3answers
190 views

Could an attacker grab my wifi password from ethernet?

If an attacker plugged a standard outlet-to-ethernet adapter into an outlet inside my house, and then plugged in an ethernet-to-usb adapter into a raspberry pi, would the raspberry pi connect to the ...
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1answer
230 views

What are the risks of connecting a Raspberry Pi to a PC? [closed]

I was wondering what are the risks of connect a Raspberry pi to a PC through the USB port?I could think of HID emulation and keystroke injection into the victims PC.Other than that what are the ...
3
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1answer
866 views

Arpspoof on Debian - Linux isn't working [closed]

I'm using the following code: >sudo bash >echo 1 > /proc/sys/net/ipv4/ip_forward >arpspoof -i wlan0 -t [Victim IP] [Gateway IP] #on terminal num.1 >arpspoof -i wlan0 -t [Gateway IP] [...
1
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1answer
584 views

protect c ++ application via an automatic hardware binding

I have a Qt App which is running on a raspberry pi (Debian Wheezy). The raspberry image is autogenerated via a python script: - Get the latest version of the generic custom-raspi-image - Mount the ...
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1answer
166 views

Weird GET request to /proxychecker/check.cgi [duplicate]

I started running a flask application on a raspberry pi last night. It was not hiding behind apache or nginx, served the requests by itself. I set up my router to forward http traffic towards it as ...