Fujitsu LX wireless keyboards are susceptible to keystroke injections, SySS GmbH, a German pen-testing firm revealed today.
The attacks allow a threat actor to beam wireless radio signals to the keyboard’s receiver (USB dongle) and inject rogue keyboard presses on a user’s computer.
Fujitsu was notified of the vulnerability but has not released any firmware patches.
Bug caused by developer blunder
In a report published today, SySS GmbH security researcher Matthias Deeg said the vulnerability is not caused by the keyboard and its USB receiver using weak cryptography. In fact, the two components work via a properly secured communications channel.
Instead, the flaw resides with the USB receiver alone, which besides accepting the keyboard’s encrypted communications also accepts unencrypted data packets that use the format described in a demo design kit that Fujitsu devs appear to have left behind on the USB dongle.
Furthermore, Deeg says that if this keystroke injection attack is also paired with another older Fujitsu wireless keyboard “replay attack” he reported in 2016, a threat actor can “remotely attack computer systems with an active screen lock,” and plant malware on seemingly secure systems.
In an interview today, Deeg told ZDNet that he reported the flaw to Fujitsu in October last year, but has not heard from the company since October 30.
“In my communication with Fujitsu regarding the keystroke injection vulnerability, I did not receive any feedback regarding a patch for this security issue,” the researcher told us when when we inquired if Fujitsu intimated that a fix might be released in the future, even after his public disclosure.
Chances for a firmware patch are really slim. Deeg also told ZDNet that Fujitsu haven’t even patched the 2016 vulnerability, let alone provide a timeline for this last one.
In a response provided at the time and that Deeg shared with ZDNet, the company didn’t view patching the replay attack as a priority.
Thank you very much for your information about our wireless keyboard. As we have already pointed out, we believe that the described scenario is not easy to perform under real conditions due to the radio protocol used. As mentioned, our product is not destined to sell security, but convenience in the first place (without the security drawbacks of unencrypted wireless keyboards). Any new information and insights will be incorporated into the already planned successor product.
In a demo video the SySS security researcher published on YouTube, the researcher shows off a basic radio hardware rig for pulling off a keystroke injection attack.
The radio gear, as can be seen above, can be easily concealed underneath clothes and a threat actor can inject malware into unattended systems just by walking by targeted computers.
“I do not recommend using this vulnerable keyboard in an environment with higher security demands,” Deeg told us. “And I would advise not using it in exposed places where external attackers may come easily in the 2.4 GHz radio communication range of the wireless keyboard.”
“And if I was a company or a public authority and I didn’t trust the people having access to my premises, like employees, contractors, or visitors, I would also not use vulnerable keyboards with my computer systems,” Deeg said.
The researcher also added that the best mitigation would be for companies to deploy extensive controls of where wireless keyboards should be used.
Other models most likely impacted
Deeg tested only a Fujitsu LX901 wireless mouse and keyboard set, however he said that other LX models are most likely impacted as well.
“It is possible that the other available wireless desktop set Fujitsu Wireless Keyboard Set LX390 uses the same 2.4 GHz radio technology and is also affected by a keystroke injection and/or replay vulnerability. I have only tested the LX901, because in our previous research project “Of Mice and Keyboards: On the Security of Modern Wireless Desktop Sets” my colleague Gerhard Klostermeier and I only analyzed wireless desktop sets using AES encryption.”
More vulnerability reports:
Adventist Risk Management Data Protection Infrastructure
Companies always want to enhance their ability to quickly address pressing business needs. Toward that end, they look for new ways to make their IT infrastructures more efficient—and more cost effective. Today, those pressing needs often center around data protection and regulatory compliance, which was certainly the case for Adventist Risk Management. What they wanted was an end-to-end, best-in-class solution to meet their needs. After trying several others, they found the perfect combination with HYCU and Nutanix, which provided:
- Ease of deployment
- Outstanding ROI
- Overall TCO improvement
Nutanix Cloud Platform provides a software-defined hyperconverged infrastructure, while HYCU offers purpose-built backup and recovery for Nutanix. Compared to the previous traditional infrastructure and data protection solutions in use at Adventist Risk Management, Nutanix and HYCU simplified processes, speeding day-to-day operations up to 75%. Now, migration and update activities typically scheduled for weekends can be performed during working hours and help to increase IT staff and management quality of life. HYCU further increased savings by providing faster and more frequent points of recovery as well as better DR Recovery Point Objective (RPO) and Recovery Time Objective (RTO) by increasing the ability to do daily backups from one to four per day.
Furthermore, the recent adoption of Nutanix Objects, which provides secure and performant S3 storage capabilities, enhanced the infrastructure by:
- Improving overall performance for backups
- Adding security against potential ransomware attacks
- Replacing components difficult to manage and support
In the end, Nutanix and HYCU enabled their customer to save money, improve the existing environment, and, above all, meet regulatory compliance requirements without any struggle.
Secure Insight: GigaOm Partners with the CISO Series
Don’t look now, but GigaOm, the analyst firm that enables smart businesses to future-proof their decisions, is forging new partnerships to extend its reach and better inform busy IT decision makers. On Thursday, the company announced it was teaming with the CISO Series to share content and better support the community of chief information security officers, security practitioners, and security vendors.
“The CISO Series is one we have admired for a while because they have a very similar aim: They help security professionals become more knowledgeable and understand how their roles are changing,” said Ben Book, GigaOm founder and CEO. “We saw a clear common interest and are delighted to be working together.”
The CISO Series brand has built a formidable reputation through its podcasts, blogs, video chats, and live events for the security community. It has added the extremely popular CyberSecurity Headlines podcast to its stable this year, which joins the CISO/Security Vendor Relationship and Defense in Depth podcasts. Every Friday at 10am Pacific Time, the CISO Series hosts its highly engaging and fun weekly live CISO Series Video Chat, which viewers can register for here.
The channel partnership connects two of the strongest, fastest-growing brands in enterprise IT content production. The agreement enables the CISO Series to share exclusive GigaOm reports with its audience ahead of publication, while GigaOm is able to share insights from the CISO Series’ various publications through its social channels and newsletters. The CISO Series joins other media firms, such as The Register and SDXCentral, as official GigaOm Channel Partners.
“We are delighted to be working with GigaOm because we’re not only both addressing the same audience, but we’re also both trying to bring education and understanding to both the security vendor and practitioner communities,” said David Spark, managing editor and executive producer at the CISO Series. “GigaOm is providing some excellent reports that we’re leaning on for our discussions and reporting across all of our shows.”
Spark continued: “We are always tweaking our programming to bring the best and most up-to-date resources and we’re really impressed with both the volume and quality GigaOm is delivering. Not only are we impressed with their editorial work, but we also appreciate their business branding. It’s something we felt comfortable about aligning with the CISO Series brand as well.”
Check out the CISO Series schedule at http://crowdcast.io/cisoseries, or visit cisoseries.com for more information about the CISO Series and its weekly Video Chats.
Key Criteria for Evaluating Vulnerability Management Tools
Vulnerability management tools scan your IT estate to help identify and mitigate security risks and weaknesses. These tools can facilitate the development of a more comprehensive vulnerability management program. Leveraging people, processes, and technologies, successful initiatives effectively identify, classify, prioritize, and remediate security threats.
A security vulnerability is a weakness that can compromise the confidentiality, integrity, and availability (CIA) of information. Attackers are constantly looking to exploit defects in software code or insecure configurations. Vulnerabilities can exist anywhere in the software stack, from web applications and databases to infrastructure components such as load balancers, firewalls, machine and container images, operating systems, and libraries. This includes code used in the CI/CD pipeline as well as the infrastructure-as-code (IAC) that defines the compute, network, and storage infrastructure.
Recent cybersecurity events have exposed widespread vulnerabilities involving the exploitation of zero-day malware and unknown weaknesses. Threat actors continually discover new exploitation tactics, techniques, and procedures (TTPs) to take advantage of weaknesses throughout integrated systems. Moreover, identifying breach paths is increasingly complicated due to the widespread adoption of ephemeral services.
Vulnerability management solutions should provide end-to-end visibility of the protect-surface by aggregating both platform and application risks in a single pane of glass, while leveraging prioritized remediation based on business risk and threat context for efficiency. Containerized workloads deployed via DevOps pipelines have unique security requirements that demand a fully integrated vulnerability assessment to be automated into cloud platform services running containerized workloads.
The path to a mature security posture starts with the ability to identify vulnerabilities in software code, third-party libraries, and at runtime. In addition, the cloud platform used to host your applications should be scanned for misconfigurations. This requires the use of policy configuration baselines, benchmarks, and compliance standards that apply to both the infrastructure and the code used to build it. As organizations implement security guardrails early in the software development lifecycle (SDLC), they can take advantage of cloud-native culture to ensure network and security tools are used throughout all phases of the SDLC.
This GigaOm report explores the key criteria and emerging technologies that IT decision makers should evaluate when choosing a vulnerability management solution. The key criteria report, together with the GigaOm radar report that evaluates relevant products, provides a framework to help organizations assess the solutions currently available on the market and how these tools fit with their requirements.
How to Read this Report
This GigaOm report is one of a series of documents that helps IT organizations assess competing solutions in the context of well-defined features and criteria. For a fuller understanding consider reviewing the following reports:
Key Criteria report: A detailed market sector analysis that assesses the impact that key product features and criteria have on top-line solution characteristics—such as scalability, performance, and TCO—that drive purchase decisions.
GigaOm Radar report: A forward-looking analysis that plots the relative value and progression of vendor solutions along multiple axes based on strategy and execution. The Radar report includes a breakdown of each vendor’s offering in the sector.
Vendor Profile: An in-depth vendor analysis that builds on the framework developed in the Key Criteria and Radar reports to assess a company’s engagement within a technology sector. This analysis includes forward-looking guidance around both strategy and product.
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