Nguyen The Duc

@ducnt_

Just another web warrior | Security Researcher | Security Engineer | CTF player && | Bug bounty hunter

Hồ Chí Minh, Việt Nam  
Beigetreten Februar 2017

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  1. Angehefteter Tweet
    8. Jan.
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  2. hat retweetet
    10. Juli 2018

    Neatly bypassing Content Security Policy. Why 'unsafe-inline' is almost always a full-fledged XSS.

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  3. hat retweetet
    6. Feb.
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  4. hat retweetet
    6. Feb.

    Thanks to research, new stuff are being released for soon - as for the features, payload minimization, raw cmd command, and auto command encoding within JSON/XML messages are being released after the PR review by

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  5. hat retweetet
    6. Feb.
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  6. hat retweetet
    5. Feb.

    Checkra1n for Windows first demo!!🔥🔥 Coming Soon!!

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  7. hat retweetet
    3. Feb.

    Here's my write-up for ’s CTF challenge!

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  8. hat retweetet
    3. Feb.

    CVE-2020-7471: SQLI in Django: django.contrib.postgres.aggregates.StringAgg aggregation function was subject to SQL injection, using a suitably crafted delimiter. FIX:

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  9. hat retweetet
    31. Jan.

    , , and I are starting a new security blog. In our first write-up, we will discuss the impact of "SameSite by default" and how it affects web app sec. Feel free to request future topics you would like us to cover.

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  10. hat retweetet
    31. Jan.

    Someone dropped a PHP zero-day on GitHub. Talked to the PHP team last night. Bug requires local foothold to exploit, so not usable for remote attacks. Also, this is the second exploit for this "disable_functions bypass" in the last few months.

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  11. hat retweetet
    28. Jan.

    .Net being open-source makes tracking these things cool. I just hope GitHub adds code navigation support for .net code soon as well. credit for the bug goes to of course.

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  12. hat retweetet
    28. Jan.

    Also for the iPhone 11 Pro Max, iOS 13.3.1 beta3 Jailbreak

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  13. hat retweetet
    24. Jan.

    Here are my (updated) slides from for my talk "Owning The Cloud Through SSRF & PDF Generators" with Chris Holt from . Big thank you to , , , , , and !

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  14. hat retweetet
    24. Jan.
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  15. hat retweetet
    23. Jan.

    The Bezos forensic report is not very good. The forensic analysis should be done by who at least have the relevant experience. The MP4 file should contain the exploit (if it is CVE-2019-11931). The exploit trigger should be visible with ffmpeg

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  16. hat retweetet
    22. Jan.

    This is a pretty good reminder that any invasive heuristics in the browser - be it XSS filters or privacy protections - often cause more problems than they address:

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  17. hat retweetet
    21. Jan.

    Learn how an authenticated RCE vulnerability in < 5.2.4 allows attackers to bypass hardening mechanisms. Read more ->

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  18. hat retweetet
    18. Jan.

    Just published a blog post talking about some iOS kernel framebuffer research I’ve been looking at over the last couple weeks. Have a read if you’re interested :)

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  19. hat retweetet
    18. Jan.

    RDP to RCE: When Fragmentation Goes Wrong AKA: What we know about CVE-2020-0609 and CVE-2020-0610.

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  20. hat retweetet
    16. Jan.
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  21. hat retweetet
    15. Jan.

    CVE-2020-5504 SQLI in phpMyAdmin: A malicious user could inject custom SQL in place of their own username when creating queries to this page fix:

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