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An Update About The Variant 4 Vulnerability

By ·Categories: I/O HUB, News·Published On: May 21st, 2018·1 min read·

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Researchers have recently identified a new derivative of the side-channel vulnerabilities discovered in January that potentially impact microprocessors used in some Logic Supply systems. This variant of the vulnerability is being referred to as Speculative Store Bypass, or Variant 4.

In a blog post today, Intel® said about this vulnerability, “Like the other GPZ variants, Variant 4 uses speculative execution, a feature common to most modern processor architectures, to potentially expose certain kinds of data through a side channel. In this case, the researchers demonstrated Variant 4 in a language-based runtime environment. While we are not aware of a successful browser exploit, the most common use of runtimes, like JavaScript, is in web browsers”.

Logic Supply takes the security of client data very seriously. We are working directly with Intel and our hardware vendors to determine and implement the necessary steps to ensure the continued security of our hardware and will provide any updates as they become available.

For more information please visit the links below.

Resources
Intel Blog Post About Variant 4
Intel Security First Website
Intel Software Side Channel Security Site
Intel Security Advisory INTEL-SA-00115

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About the Author: Darek Fanton

Darek is the Communications Manager at OnLogic. His passion for both journalism and technology has led him from the newsrooms of local papers to the manufacturing floor of IBM. His background in news gathering has him always on the lookout for the latest in emerging tech and the best ways to share that information with readers. In addition to his affinity for words, Darek is a music lover, juggler and huge fan of terrible jokes.
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