Byoungyoung Lee

@mylifeasageek

Working on Systems Security. Assistant Professor of ECE at Seoul National University (SNU)

Seoul, Republic of Korea
lifeasageek.github.io
Vrijeme pridruživanja: lipanj 2009.
4 fotografije ili videozapisa Fotografije i videozapisi

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  1. 26. svi 2019.

    Any guess how to find races through fuzzing? Here's our approach, Razzer (), which found 16 new race bugs in the Linux kernel

    107 proslijeđenih tweetova 239 korisnika označava da im se sviđa
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  2. proslijedio/la je Tweet
    12. svi 2014.

    . & present "Abusing Performance Optimization Weaknesses to Bypass ASLR" at Briefings

    7 proslijeđenih tweetova 6 korisnika označava da im se sviđa
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  3. 12. svi 2014.

    We are going BlackHat!

    1 reply 1 proslijeđeni tweet 2 korisnika označavaju da im se sviđa
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  4. 25. lis 2013.

    I guess ppl didn't get this Remember FF hash table leaks?Safari (experimental feature) also had similar vulnerability

    1 proslijeđeni tweet 3 korisnika označavaju da im se sviđa
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  5. proslijedio/la je Tweet
    21. lis 2013.

    New, from me: Apple's iCloud cracked: Lack of two-factor authentication allows remote data download

    40 proslijeđenih tweetova 11 korisnika označava da im se sviđa
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  6. 1. lis 2013.

    Finally landed :)

    1 reply 4 proslijeđena tweeta 1 korisnik označava da mu se sviđa
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  7. 20. ruj 2013.

    Can we find the crypto backdoor in a reasonable time? Guess we must be able to do it in the polynomial time? based on

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  8. 19. ruj 2013.

    Things we did - Partial Information Leakage in Hash Table implementations :

    1 korisnik označava da mu se sviđa
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  9. 9. ruj 2013.
    Odgovor korisniku/ci

    Yeah. Pretty awkward naming, isn't it?

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  10. 8. ruj 2013.
    Odgovor korisniku/ci

    Wow... was it acronym? I thought they just want to mean it's wtf complicated

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  11. 8. ruj 2013.

    When my fuzzer hit uaf on Webkit's WTF, I said WTF? Always wondering what this "WTF" means.

    1 reply
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  12. proslijedio/la je Tweet
    5. ruj 2013.

    A recent Samsung update for GS4 (GT-I9505) sets SEAndroid to enforcing by default, which I didn't expect to see on consumer devices.

    5 replies 23 proslijeđena tweeta 8 korisnika označava da im se sviđa
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  13. 6. ruj 2013.
    Odgovor korisniku/ci

    Have you checked this out?:)

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  14. 4. ruj 2013.

    We got confirmed 2 use-after-free and 1 heap-overflow in chrome after having three weeks of less-eat,less-sleep, and more-coding :)

    3 proslijeđena tweeta 1 korisnik označava da mu se sviđa
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  15. 2. ruj 2013.
    Odgovor korisniku/ci

    Seems this is the attempt in blink: Take a look at the security properties.

    1 korisnik označava da mu se sviđa
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  16. 2. ruj 2013.
    Odgovor korisniku/ci

    This was a discussion over how to better mitigate use-after-free on webkit/chrome. Using slab allocator is one suggestion, but controvertial

    1 reply 1 korisnik označava da mu se sviđa
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  17. 2. ruj 2013.

    Chris Neklar and Chris Evans didn't realize or understand the problems listed above, and didn't tackle them. From .

    1 reply 1 proslijeđeni tweet 1 korisnik označava da mu se sviđa
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  18. 29. kol 2013.

    Old day fuzzing was all about finding exploitable one out of tons of crashes. Today, it's about finding reproducible ones out of a few uaf?

    1 proslijeđeni tweet 1 korisnik označava da mu se sviđa
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  19. 19. kol 2013.

    Re-engineered exploits for CVE-2013-0912, one used for Pwn2Own 2013 chrome

    20 proslijeđenih tweetova 22 korisnika označavaju da im se sviđa
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  20. 5. kol 2013.

    Well. The first use-after-free chrome bug from my DOM/JS fuzzer turned out to be duplicate bugs. Lesson? Still fuzzing works on chrome :)

    1 reply 2 proslijeđena tweeta 2 korisnika označavaju da im se sviđa
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