printers

Pierluigi Paganini March 22, 2022
Three critical RCE flaws affect hundreds of HP printer models

Three critical RCE flaws affect hundreds of HP LaserJet Pro, Pagewide Pro, OfficeJet, Enterprise, Large Format, and DeskJet printer models. HP issued a security bulletin warning of a buffer overflow vulnerability, tracked as CVE-2022-3942 (CVSS score 8.4), that could lead to remote code execution on vulnerable devices. “Certain HP Print products and Digital Sending products may […]

Pierluigi Paganini December 06, 2021
Hackers are sending receipts with anti-work messages to businesses’ printers

Hackers are targeting printers of businesses around the world to print ‘anti-work’ slogans pushing workers to demand better pay. Multiple employees are sharing on Twitter and Reddit the images of anti-work messages sent to the printers of their organizations. The messages encourage workers to protect their rights and discuss their pay with coworkers and demand […]

Pierluigi Paganini July 20, 2021
A 16-year-old bug (CVE-2021-3438) in printer driver affects millions of printers worldwide

Experts warn of a 16-year-old vulnerability (CVE-2021-3438) in an HP, Xerox, and Samsung printers driver that an attacker could exploit to gain admin rights on systems. Researchers from SentinelOne discovered a 16-year-old security vulnerability in an HP, Xerox, and Samsung printers driver that can allow attackers to gain admin rights on systems running the flawed […]

Pierluigi Paganini October 03, 2020
HP bug bounty programs now covers flaws in cartridges

HP is inviting several white hat hackers to find vulnerabilities in its office-class ink and toner cartridges as part of its bug bounty program, HP has expanded the line of products that are covered by this bug bounty program, on Thursday the IT giant invited several white hat hackers to find and report vulnerabilities in […]

Pierluigi Paganini August 27, 2020
Experts hacked 28,000 unsecured printers to raise awareness of printer security issues

Cybersecurity experts at CyberNews hijacked close to 28,000 unsecured printers worldwide and forced them to print out a guide on printer security Original post: https://cybernews.com/security/we-hacked-28000-unsecured-printers-to-raise-awareness-of-printer-security-issues/ Most of us already know the importance of using antivirus, anti-malware, and VPNs to secure our computers, phones, and other devices against potential attacks. Printers? Not so much. We at CyberNews […]

Pierluigi Paganini December 03, 2018
Hacker hijacks printers worldwide to promote popular YouTube channel

The TheHackerGiraffe used the Printer Exploitation Toolkit (PRET) to hijack +50k vulnerable printers to Promote PewDiePie YouTube Channel. An anonymous hacker hijacked over 50,000 internet-connected printers worldwide to print out messages promoting the subscription to the PewDiePie YouTube channel. Felix Arvid Ulf Kjellberg, aka PewDiePie, is a popular Swedish Youtuber, comedian, and video game commentator, formerly best known for his Let’s Play commentaries […]

Pierluigi Paganini November 22, 2017
Experts found a way to exploit HP Enterprise printers to hack into company networks

Researchers at FoxGlove Security have found a potentially serious remote code execution vulnerability in some of HP’s enterprise printers.  HP dedicates significant efforts in designing secure printing systems, a recent marketing campaign launched by the firm shows the dangers of vulnerable printers for corporate networks. HP launched new enterprise LaserJet printers back in 2015 and introduced several security improvements across […]

Pierluigi Paganini February 06, 2017
A Hacker hijacked over 150,000 Printers publicly exposed online

A hacker hijacked over 150,000 Printers publicly exposed online to warn owners of cyber attacks. Recently a group of researchers from the University Alliance Ruhr has found a cross-site printing bug in the old PostScript language. Popular printer models manufactured by Dell, Brother, Konica, Samsung, HP, and Lexmark are affected by security vulnerabilities that could be exploited by […]

Pierluigi Paganini February 01, 2017
Hacking printers exploiting Cross-site printing (XSP) attacks

A group of researchers from the University Alliance Ruhr has found a cross-site printing bug in the old PostScript language. Popular printer models manufactured by Dell, Brother, Konica, Samsung, HP, and Lexmark are affected by security vulnerabilities that could be exploited by hackers to steal passwords, steal information from the print jobs, and shut down the devices. The […]

Pierluigi Paganini October 07, 2015
Hacking enterprise wireless Printers with a drone or a vacuum cleaner

A group of researchers from the iTrust has demonstrated how to use a Drone to intercept wireless printer transmissions from outside an office building. Recently I wrote a blog post on the Infosec Institute titled “Modern Physical Security Awareness Is More Than Dumpster Diving” where I explain how the concept of physical security is evolving […]