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Windows Bug Security

Complete Microsoft EMET Bypass Developed 116

Posted by Unknown Lamer
from the just-a-teeny-tiny-bug dept.
msm1267 writes "Researchers at Bromium Labs are expected to announce today they have developed an exploit that bypasses all of the mitigations in Microsoft's Enhanced Mitigation Experience Toolkit (EMET). Principal security researcher Jared DeMott is delivered a presentation at the Security BSides conference explaining how the company's researchers were able to bypass all of the memory protections offered within the free Windows toolkit. The work is significant given that Microsoft has been quick to urge customers to install and run EMET as a temporary mitigation against zero-day exploits targeting memory vulnerabilities in Windows or Internet Explorer. The exploit bypasses all of EMET's mitigations, unlike previous bypasses that were able to beat only certain aspects of the tool. Researchers took a real-world IE exploit and tweaked it until they had a complete bypass of EMET's ROP, heap spray, SEHOP, ASLR, and DEP mitigations."
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Complete Microsoft EMET Bypass Developed

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  • Is anyone surprised? (Score:5, Interesting)

    by Anonymous Coward on Monday February 24, 2014 @11:07PM (#46330843)

    EMET is just a bunch of industry-standard mitigations (e.g. the kind of thing you get on Linux with grsecurity) - and several of them poorly implemented at that. They're mitigations - they make exploits harder, not impossible.

    If you rely on EMET for security, you're doing it wrong. Stuff like EMET is just a speed bump. It's good to have, it should be enabled by default, and we should stop treating it like some magic "security on" switch.

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