Questions tagged [printers]

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33 views

DNS Spoof Printer on network

I was wondering if it would be possible to arp spoof my printer and router arpspoof -t printer router arpspoof -t router printer and then reroute all print requests to my CUPS print server on ...
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42 views

A strategy to allow select split-tunneling for printing

A topic has come up with some colleagues that appears to be a 'regular' and I thought to ask the forum: We have had use-cases for remote workers who VPN to the corporate network, which does not ...
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1answer
73 views

Virus from a printer kiosk?

I encountered a puzzling situation the other day when I plugged in a USB flash drive. Windows defender displayed an alert saying that a threat had been quarantined, specifically the Jenxcus VBS virus. ...
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31 views

Could filtering & proxying untrusted print jobs help me avoid compromising my corporate printers?

I learned PostScript and PDF libraries had security bugs with code-execution potential in the past; I expect more of those to be discovered. Yet I have so far not identified a printer vendor that ...
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33 views

Automating certificate management across a large number of printers?

Is there a way to manage certificates on a large group of printers that will install and renew them? It doesn't look like any of the fleet management programs will do this. How are these managed in an ...
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4answers
8k views

Is it theoretically possible to hack printer using scanner tray?

Just wondering - if scanner tray is considered as an interface, and it accepts input (basically it is its main functionality), could it be hacked using malicious code written on a piece of paper?
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3answers
149 views

Are Printers running Linux 2.6 something to be concerned about?

Our office has a number of printers which, according to nmap are running Linux 2.6.X with a whole bunch of open ports 80
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1answer
51 views

Is it possible to retrieve embedded information in a printed image with steganography?

If I print the following noise texture image in which I've embedded some information with steganography, can I retrieve the information back or can I detect the information loss occurred due to ...
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2answers
42 views

Will a printer refuse HTTP connections from a non local address? [closed]

One of my printers, an HP m605 enterprise printer, is connected to one of 4 ethernet ports on my business class Comcast cable model. My service class has 5 static IPs. The administration for the ...
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1answer
406 views

NAC bypass with MAC spoofing

I just started my job as a penetration tester. Me and my mentor got to the client's office and our first order of business was to bypass the NAC system. Searching for a printer or other similar ...
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1answer
179 views

Secure architecture for isolated printer network

I am very new to "networking" and security, but I realize that it would be more secure to have printers on their own "isolated network". How do I secure my networked printers? What kind of printers ...
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1answer
182 views

What kind of printers do the most secure companies use?

If wifi-enabled printers are a bad idea, I'm wondering what kind of printers (brand even perhaps) that secure companies use, such as banks or financial institutions. I would assume these printers don'...
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1answer
96 views

Security implications of attaching a wireless printer to network

I am looking at these instructions which suggest basically giving the wireless printer your network password to configure it. I don't know enough about security or networks to know the implications of ...
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4answers
9k views

How to protect printers from being hacked

Recently it got to my attention that someone has hacked around 50,000 printers and used them to print the message they wanted to. (link) As someone who doesn't have a lot of knowledge about networks ...
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3answers
129 views

How do I secure my networked printers?

I've been reading a lot about how network printers can be a big security breach, but precious little about what to do about it. I have 2 Canon printers, a Pro-100 and a MG6821. Neither one requires ...
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176 views

Can someone hack printer/photocopiers or buy printers/photocopiers that doesn't obey EURion constellation security measure

I'm not into counterfeiting. There was a debate.., so I decided to go deeper with curiosity. EURion constellation is a pattern incorporated into banknotes. So photocopiers and printers if they obey ...
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1answer
65 views

Is there a way to save a file from the network printer queue?

Recently I printed something using secure print with an ID card. When I checked my printer queue, I saw the total queue of all documents of colleagues who are using the same printer. First of all, I ...
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1answer
1k views

Change settings to scan a printer with openvas

I have Openvas 5.1.1 (gui: Greenbone Security Assistant Version 7.0.2). It misidentifies my linux server as a printer. Scan result includes Solution If you want to scan the remote host, uncheck ...
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85 views

How should firewall be configured to allow using an image scanner over WiFi to avoid jeopardizing security?

I'm having a dilemma if I should post this here or on superuser, finally I decided it's more security related so I post it here, if it's wrong please move. The situation: There is an Epson all-in-one ...
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1answer
601 views

Vulnerability in canon printers [closed]

Canon 5035 MFP, Canon 5240i MFP, and Canon 5250 MFP shows the below vulnerabilities. How can we fix this? Couldn't find any option in settings to disable TLS. SSL/TLS Server supports TLSv1.0 ...
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1answer
531 views

If I sell my printer, can the last printed pages be recovered? And how can I wipe it?

I have a Brother 5470-DW Printer. I want to sell it but wanted to make sure all the last prints can't be recovered. If I sold my printer could the last pages printed be recovered? How can I wipe all ...
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1answer
100 views

Is the new HP printer vulnerability only relevant for network printers?

There is a new vulnerability announced for HP M553 printers. On my reading, however, it appears that it only affects network printers. In other words if two people are connected to the same printer, ...
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1answer
143 views

Printer Driver Threats

In an environment where users connect their devices to printers through USB, the device will be prompted to install its driver if it's the first time. As far as I'm aware for OSX, the drivers are ...
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0answers
432 views

How to securely print private key and protect against attacks on printer itself?

The question is in the title, but below are my thoughts on this. As we know there are various possible attacks on printer, so it is not very secure to print high security things like private keys for ...
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1answer
61 views

Capturing printer data [closed]

Is there a way to capture what is printed by public printer? Or is it possible to control the printer (shutting it off or printing remotely)?
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631 views

How does printer steganography work on monochrome laser printers?

For purely cost reasons I've always used black and white laser printers. I'm particularly a fan of ML-2851ND for being cheap and easy to refill. It's my go to work horse. I'm wondering how people ...
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1answer
87 views

How can I best protect myself on an encrypted network with untrustworthy users?

I will be starting university in September. As part of my accommodation I will be provided with fast WiFi which requires a password to connect to (WPA2 Enterprise). However, I don't trust the other ...
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1answer
1k views

Defeating identifying information that printers hide in printed documents

It's pretty widely known (well, I think it's widely known) that printer manufacturers, in cooperation with certain governments, embed various bits of information (serial numbers, dates, etc.) in ...
2
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1answer
351 views

Picked up used HP Envy 5530 printer, concerned about potential security risk, am I paranoid?

I just picked up a used HP Envy 5530 multifunction printer for $3 at a junk shop. The printer appears to be working and I would like to give it to my parents who need a new printer. That said, I am ...
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1answer
94 views

Security errors with printer

I ran a security scan using the home version of Nessus by following a post on LifeHacker, and I was told that my printer had two security errors: OpenSSL 'ChangeCipherSpec' MiTM Vulnerability SNMP ...
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1answer
46 views

How can I know that the printer linked to email

How can I make sure that the printer does not send copies of the scanned paper to another email? because that my printer take long time in scanning and printing. can somebody hacking the printers or ...
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4answers
967 views

If I “print to PDF” a website that has a malware will the pdf be infected?

If I "print to PDF" a website page, but unknowing that has a malware or virus or some type will the pdf be infected?
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3answers
5k views

How can I encrypt my print jobs?

I often print confidential documents over a large intranet to various printers based on where I am in the building. However, since the building is so large, it is highly likely there is a malicious ...
6
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2answers
193 views

What issues exist in generating a signed, paper-based PGP message stored by a hostile organisation?

I have recently been the victim of having my medical record tampered with by the organisation holding it. Under state law I have a legal right to submit information to be included in my medical record,...
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1answer
249 views

Check whether a printer keeps a history of printed documents

Are there resources to determine whether a consumer grade printer has some internal memory that stores the contents of printed documents, and/or information how to securely delete any such memory?
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1answer
2k views

Samba printer usernames and passwords , security problem

Password leaks , printing from Linux client to windows based print server When authenticating Linux users for using a windows share printer on their machine, the windows domain user-name and password ...
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1answer
623 views

New social engineering tactic that uses printer serial numbers?

We have been getting a new kind of scammer-esque call every couple weeks here at the office (I work at an enterprise web application development company). Basically, the flow of events is this: ...
6
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2answers
222 views

How to handle decomissioned/donated/RMAed printers?

Printers, nowadays, almost always include some form of non-volatile storage that keep tracks of pretty much everything that went through the device. In the case of larger, "departmental" system that ...
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1answer
2k views

Is it possible to emulate real network printer i.e. to run some actual firmware in VM?

I've got to the section related to network printers exploitation while going through one security course. Under "network printer" I understand standalone devices with a dedicated ethernet\wireless ...
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3answers
690 views

Segregating a Printer in my Enterprise Network

I have a EAP-TLS network at home which I've managed for some time now. I just got a new Brother HL-5470 printer so I can finally print things at home, which is really nice. The only problem is that ...
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1answer
2k views

Standard to represent digital signature on paper

Users are making a deal using the website. Website generated PDF file (something like contract or report). Users perform digital signing of this file (analogous to hand-written signature on paper ...
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1answer
3k views

Printer Steganography/Watermarking

I am referring to the yellow dots which are printed automatically by laser printers. They encode information such as the time the document is printed as well as the serial number. There appears to be ...
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2answers
2k views

Identifying HP Printers with NMAP and then using results in Python/Perl

Great write up on network printer hacking at IronGeek's site here for anyone interested http://www.irongeek.com/i.php?page=security/networkprinterhacking. Here's what I want to do: Scan the subnet ...
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1answer
531 views

Bluetooth Peripheral Vulnerabilities [duplicate]

I've read some interesting Bluetooth vulnerability questions, but I didn't notice one recently. Bluetooth has long been disabled in our organization, and I'm looking to enabling it because of repeated ...
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2answers
363 views

Is writing a document, not saving it, and printing it wirelessly 100% secure? [closed]

Say I want to write a top secret document (yeh, I'm a secret agent), and I use the method in the title...more specifically 1) Write a document on TextEdit on a Macbook Pro 2) Do not save it 3) ...
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2answers
1k views

Bridge Exploit of Network Multi-function Print/Fax Devices

I performed a recent security audit and was wondering if anyone has heard or run across any known exploits against any commercial multi-function print/scan device whereby you can bridge the incoming ...