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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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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69 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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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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139 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 ...
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Airodump-ng stops working after deauthentication attack

I'm using aircrack-ng on a pi to deauth a client that's connected to my wireless network. I run aireplay-ng and the attack succeeds but now airodump-ng wlan0mon stops returning any bssid, beacons... ...
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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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181 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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152 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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62 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
105 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
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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
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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:/...
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190 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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92 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
340 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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109 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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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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545 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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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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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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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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315 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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267 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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292 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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172 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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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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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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1k 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 "...
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1answer
272 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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406 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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157 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
738 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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180 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
624 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] [...
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1answer
223 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 ...
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491 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
158 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 ...
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1answer
788 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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58 views

How to check connectivity between raspberry pi and server [closed]

How to check connectivity between raspberry pi (which act as a client) and server using web-socket
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325 views

What is the best practice to secure an unattended Raspberry Pi?

I'm working on a project which involves mounting a Raspberry Pi on a self-moving vehicle. I'm looking for the best way to encrypt the Pi (entire file-system, swap, etc.), with the minimum possible ...
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3answers
40k 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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2answers
483 views

How significant are these Dieharder results on a Raspberry pi

I was running the Dieharder test suite on my raspberry pis hardware random number generator, and it came back with this: root@raspberrypi:/home/pi# dieharder -a -g 201 -f /dev/hwrng #=========...
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2answers
664 views

How to know if a host has been compromised and re-secure it again? (particular case of a raspberry) [duplicate]

I'm running a raspberry PI and I've accidentally left the 22 port open to it from a public IP for about 24 hours. Raspberries' raspbian distro comes by default with a "pi" user and "raspberry" ...
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Under which circumstances is the default security profile of XRDP considered okay?

In xrdp.ini, the base install of xrdp on my raspberry pi*, there I have the following below. I changed crypt_level to high. [globals] bitmap_cache=yes bitmap_compression=yes port=3389 crypt_level=...
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1answer
790 views

risk of default pw on my raspberry pi

I have a raspberrypi with raspbian and default user and pw (I know, don't shoot me). I setup port fw on my router so that I could ssh to it from an external network. Also because my external IP keeps ...
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1answer
910 views

Locking Linux system to work on certain hardware only

Is there a way of locking a Linux system to work with a specific (pre-defined) hardware only? I am developing a commercial product and want to make it a bit harder for someone to clone the whole ...
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383 views

How can the connection of a rogue VPN router be countermeasured with a sniffer?

As an IT admin, what can I do to countermeasure an attack performed like this page explains? http://www.pivpn.net/2015/08/hide-your-ass-hide-by-mac-address-and.html What they do is to put a raspberry ...
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3answers
18k views

MSFConsole/Kali Linux - gain root access to unix system

I am messing around with Kali Linux, MSFConsole and DVWA (Damn Vulnerable Web Application). I have successfully been able to get into the system (Raspberry Pi) by creating a PHP backdoor and uploaded ...
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1answer
63k 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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1answer
4k views

Diffie Hellman parameters still calculating after 24 hours [duplicate]

I have a fresh install of Arch Linux on a RaspberryPi model B. I'm setting up OpenVPN and using easy-rsa to generate initial keys and certificates. All went fine until I ran ./build-dh. It is now 24 ...