Two-for-Tuesday vulnerabilities ship Home windows and Linux customers scrambling

A cartoonish padlock has been photoshopped onto glowing computer chips.


The world awakened on Tuesday to 2 new vulnerabilities—one in Home windows and the opposite in Linux—that permit hackers with a toehold in a weak system to bypass OS safety restrictions and entry delicate assets.

As working programs and functions turn out to be more durable to hack, profitable assaults sometimes require two or extra vulnerabilities. One vulnerability permits the attacker entry to low-privileged OS assets, the place code will be executed or delicate knowledge will be learn. A second vulnerability elevates that code execution or file entry to OS assets reserved for password storage or different delicate operations. The worth of so-called native privilege escalation vulnerabilities, accordingly, has elevated lately.

Breaking Home windows

The Home windows vulnerability got here to gentle accidentally on Monday when a researcher noticed what he believed was a coding regression in a beta model of the upcoming Home windows 11. The researcher discovered that the contents of the safety account supervisor—the database that shops consumer accounts and safety descriptors for customers on the native laptop—might be learn by customers with restricted system privileges.

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