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Security: Marriott, Email Security & Privacy, Microsoft's VBScript and Spectre v2

Submitted by Roy Schestowitz on Sunday 2nd of December 2018 01:40:13 PM Filed under
Security
  • Hackers access data of half a billion guests at Marriott hotels

    The personal data of half a billion guests of upmarket hotels belonging to Marriott International was illegally accessed by hackers over four years.

    Experts estimate that more than a million British customers could be affected by the breach of the booking system of the group’s Starwood division, which owns hotels including the Sheraton Grand Park Lane and Le Méridien Piccadilly in London.

  • Email Security & Privacy

    If you want to learn more about the topic, you can take a look at the slides I used and do some research of your own. If something seems wrong please let me know in the comments below so that we all can benefit. You can also access (I think?) the speaker notes for more context behind the content on the slides.

    If you are pressed for time, skip to the last slide to learn about some interesting attacks. One of them makes use of Cyrillic script. If you haven’t heard of Cyrillic script before you would love that slide.

  • Out-of-Bounds Vulnerability In Microsoft VBScript Can Cause Internet Explorer To Crash

    Microsoft VBScript is actually an active scripting language modeled on Visual Basic. It’s very similar to visual basic and can be used to create a server-side scripting environment for creating dynamic web pages which use VBScript or JavaScript.

  • Spectre v2 mitigation causes significant slowdown on Linux 4.20

    One of Intel's mitigations for a variant of the Spectre vulnerability will reportedly significantly slow down performance of the latest Linux kernel.

    The mitigation, called Single Thread Indirect Branch Predictors (STIBP), was put in place by Intel earlier this year when the Spectre vulnerability and its variants were first publicly disclosed. Intel proposed two other mitigations to this particular version -- Spectre variant 2, tracked as CVE-2017-5715 -- but this one, it turns out, would have a negative effect on Linux 4.20.

    If Linux 4.20 is run with Intel chips that implemented the STIBP mitigation for Spectre v2, performance could drop 30% to 50%, depending on the application.

»

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