Andy Nguyen

@theflow0

Computer science student at ETH Zurich. Vita hacker. Interested in vulnerability research, exploit development and reverse engineering

Zurich, Switzerland
github.com/TheOfficialFloW
Joined January 2016
36 Photos and videos Photos and videos

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  1. Pinned Tweet
    Apr 26

    chromacity: Escaping the VM with newlines. My write-up of the challenge by .

    12 replies . 179 retweets 475 likes
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  2. Jun 3

    Nvm this bug is not exploitable, as copyout will simply abort if it dst+len wraps around or is higher than 0x8000000000000000. However, Sony did actually fix it by adding a max_len > 0 check, so I thought it could be abused.

    16 replies . 8 retweets 100 likes
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  3. Jun 3

    Unfortunately fixed somewhere between 5.05 and 6.20.

    9 replies . 11 retweets 144 likes
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  4. Jun 3

    PS4 kernel bug: sys_randomized_path could leak arbitrary amount of kernel stack: char k_path[0x100]; int64_t max_len = fuword64(max_len_ptr); if (path_len <= max_len) { copyout(k_path, out_path, path_len); } else { copyout(k_path, out_path, max_len - 1); }

    33 replies . 71 retweets 418 likes
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  5. May 27

    also Ultimate VSH Menu

    26 replies . 19 retweets 391 likes
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  6. May 27

    Anybody remember DayViewer for the PSP? That was a very popular plugin written by a 14 years old me.

    30 replies . 38 retweets 622 likes
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  7. May 25

    I take it back, it‘s awesome

    11 replies . 7 retweets 245 likes
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  8. May 23

    Can‘t believe you can actually hack your switch with tinfoil

    26 replies . 8 retweets 155 likes
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  9. May 23

    Came with fw 2.30

    6 replies . 76 likes
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  10. May 23

    16 replies . 4 retweets 190 likes
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  11. May 21

    Aight, found and bought a new and unpatched switch ;) now need a jig

    21 replies . 2 retweets 136 likes
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  12. May 17

    Just for gaming ;)

    8 replies . 5 retweets 217 likes
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  13. May 17

    I‘m looking for a new and unpatched Nintendo Switch

    28 replies . 14 retweets 308 likes
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  14. May 7

    nvm the third one is just a kernel null pointer dereference and wasn't worth a SA:

    27 likes
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  15. May 5

    If anybody is interested in the matrix rain effect, this is my implementation that I've written today within 1.5h:

    6 replies . 9 retweets 179 likes
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  16. May 5

    Show your jailbroken device using

    41 replies . 13 retweets 212 likes
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  17. May 5

    Also this is probably my last release for the PS Vita.

    127 replies . 44 retweets 696 likes
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  18. May 5

    Trinity Exploit for PS Vita released.

    145 replies . 422 retweets 1,696 likes
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  19. May 4

    These were the bugs: third one incoming.

    6 replies . 2 retweets 57 likes
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  20. Retweeted
    May 3

    NetBSD security advisory: Unprivileged user kernel stack disclosure in SIOCGIFCONF. Thanks Andy Nguyen for this report as well!

    2 replies . 6 retweets 32 likes
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  21. Retweeted
    May 3

    NetBSD security advisory: Unprivileged kernel memory overwrite in mq_send(3) Thanks Andy Nguyen for the report!

    6 retweets 24 likes
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