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  • Born: Is my browser vulnerable to Spectre attacks?

    Posted on January 11th, 2018 at 09:51 woody Comment on the AskWoody Lounge

    G√ľnter Born has an important recap of the the test website xlab.tencent.com, which has a tool that can check to see if your browser is currently susceptible to Spectre attacks.

    The tool is from Tencent’s Xuanwu Lab, which is part of Tencent, one of the largest companies in Asia. The Xuanwu Lab is well-known in antimalware circles.

    I ran a quick check on both of my go-to browsers, Firefox 57.0.4 (64-bit) and Chrome 63.0.3239.132 (Official Build) (64-bit). Both of them came up with “Not vulnerable.”

    That’s a comforting, if ambiguous, determination. As the Tencent site says:

    However, if the result is NOT VULNERABLE, it doesn’t mean your browser is absolutely not vulnerable because there might be other unknown attacking methods.

    Which is something of a triple (quadruple?) negative, but I surmise that Firefox and Chrome aren’t susceptible to the currently published Spectre vulnerabilities.

    A quick check of the latest IE and Chrome on my Win10 1703 machine turned up Not Vulnerable as well.

    Martin Brinkmann on ghacks.net ran a similar set of tests. He says that Google Chrome Stable, Opera Stable and Vivaldi Stable all turn up Vulnerable.

    Your mileage may vary.