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Nasty Printer Driver Vulnerability

From SentinelLabs, a critical vulnerability in HP printer drivers:

Researchers have released technical details on a high-severity privilege-escalation flaw in HP printer drivers (also used by Samsung and Xerox), which impacts hundreds of millions of Windows machines.

If exploited, cyberattackers could bypass security products; install programs; view, change, encrypt or delete data; or create new accounts with more extensive user rights.

The bug (CVE-2021-3438) has lurked in systems for 16 years, researchers at SentinelOne said, but was only uncovered this year. It carries an 8.8 out of 10 rating on the CVSS scale, making it high-severity.

Look for your printer here, and download the patch if there is one.

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Keylogger Found in HP Laptop Audio Drivers

This is a weird story: researchers have discovered that an audio driver installed in some HP laptops includes a keylogger, which records all keystrokes to a local file. There seems to be nothing malicious about this, but it’s a vivid illustration of how hard it is to secure a modern computer. The operating system, drivers, processes, application software, and everything else is so complicated that it’s pretty much impossible to lock down every aspect of it. So many things are eavesdropping on different aspects of the computer’s operation, collecting personal data as they do so. If an attacker can get to the computer when the drive is unencrypted, he gets access to all sorts of information streams — and there’s often nothing the computer’s owner can do.

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