Frame-14

Privacy Ninja

        • DATA PROTECTION

        • CYBERSECURITY

        • Secure your network against various threat points. VA starts at only S$1,000, while VAPT starts at S$4,000. With Price Beat Guarantee!

        • API Penetration Testing
        • Enhance your digital security posture with our approach that identifies and addresses vulnerabilities within your API framework, ensuring robust protection against cyber threats targeting your digital interfaces.

        • On-Prem & Cloud Network Penetration Testing
        • Boost your network’s resilience with our assessment that uncovers security gaps, so you can strengthen your defences against sophisticated cyber threats targeting your network

        • Web Penetration Testing
        • Fortify your web presence with our specialised web app penetration testing service, designed to uncover and address vulnerabilities, ensuring your website stands resilient against online threats

        • Mobile Penetration Testing
        • Strengthen your mobile ecosystem’s resilience with our in-depth penetration testing service. From applications to underlying systems, we meticulously probe for vulnerabilities

        • Cyber Hygiene Training
        • Empower your team with essential cybersecurity knowledge, covering the latest vulnerabilities, best practices, and proactive defence strategies

        • Thick Client Penetration Testing
        • Elevate your application’s security with our thorough thick client penetration testing service. From standalone desktop applications to complex client-server systems, we meticulously probe for vulnerabilities to fortify your software against potential cyber threats.

        • Source Code Review
        • Ensure the integrity and security of your codebase with our comprehensive service, meticulously analysing code quality, identifying vulnerabilities, and optimising performance for various types of applications, scripts, plugins, and more

        • Email Spoofing Prevention
        • Check if your organisation’s email is vulnerable to hackers and put a stop to it. Receive your free test today!

        • Email Phishing Excercise
        • Strengthen your defense against email threats via simulated attacks that test and educate your team on spotting malicious emails, reducing breach risks and boosting security.

        • Cyber Essentials Bundle
        • Equip your organisation with essential cyber protection through our packages, featuring quarterly breached accounts monitoring, email phishing campaigns, cyber hygiene training, and more. LAUNCHING SOON.

Windows Security Update KB5004945 Breaks Printing on Zebra Printers

Windows Security Update KB5004945 Breaks Printing on Zebra Printers

Microsoft’s recent out-of-band KB5004945 PrintNightmare security updates are preventing Windows users from printing to certain Zebra printers.

Last month, a PoC exploit for a new Windows Print Spooler remote code execution and local privilege escalation vulnerability called PrintNightmare was accidentally disclosed on GitHub.

Soon after, Microsoft acknowledged that it was actively exploited, and an unofficial 0Patch micropatch was released to temporarily fix the vulnerability.

This week, Microsoft released mandatory out-of-band Windows security updates to fix the remote code execution component of the PrintNightmare vulnerability.

However, researchers quickly determined that these patches did not fix the vulnerability in all cases.

Unfortunately, the patches are also causing printing issues for some Windows users.

Also Read: Compliance Course Singapore: Spotlight on the 3 Offerings

Security update causes printing issues

In numerous reports shared on Twitter and Reddit [1234], Windows users state that they can no longer print to certain Zebra label printers after installing the update.

“We have about 1000 customers using Zebra printers and are getting flooded with calls from them not being able to print. This update is the culprit for sure as rolling it back has things spitting out again instantly,” an affected person posted to the Sysadmin subreddit.

Soon after, many other Zebra owners confirmed that they too were having issues after installing the update.

According to users affected by the bug, it is only affecting printers directly attached to Windows devices via USB. Zebra printers hooked up to a print server are not affected.

Windows users also report that only specific Zebra models are affected, with LP 2844, ZT220, ZD410, ZD500, ZD620, ZT230, ZT410, and ZT420 being some of the known models affected by the patch.

After uninstalling the security updates, users state that the printers begin to work fine again. As this is a mandatory security update, after some time, Windows will automatically reinstall the update.

It is unclear what is causing the issue, but the security update replaces the localspl.dll file with a new modified version. Changes in this DLL may be conflicting with the Zebra printer drivers and preventing printing.

For those affected, you can temporarily prevent this update from being installed again, but it is necessary to determine if printing is more important than the risks of the vulnerability.

Also Read: PDPA Singapore Guidelines: 16 Key Concepts For Your Business

Update 7/8/21: Zebra shared the following statement on resolving the printing issues:

We are aware of a printing issue caused by the July 6 Windows “KB5004945“ update affecting multiple brands of printers. Microsoft has investigated this issue and plans to release an update addressing the issue within the next 1–2 business days. An immediate way to address the issue is to uninstall the Windows “KB5004945“ update or uninstall the affected printer driver and reinstall using Administrative credentials. Long term, we encourage the use of the newer Windows update Microsoft is planning to release. Customers who need assistance regarding Zebra printers may contact our Technical Support Team.

Update 7/8/21 8:05 PM EST: Added statement from Zebra.

0 Comments

KEEP IN TOUCH

Subscribe to our mailing list to get free tips on Data Protection and Data Privacy updates weekly!

Personal Data Protection

REPORTING DATA BREACH TO PDPC?

We have assisted numerous companies to prepare proper and accurate reports to PDPC to minimise financial penalties.
×

Hello!

Click one of our contacts below to chat on WhatsApp

× Chat with us