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@HUB-EDUCATION

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Sy2n0/README.md

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Profile

  • W4llz ( 2026.04 ~ )
  • ExMoK ( 2026.03 ~ )
  • Google Cloud VRP - Honorable Mention ( 2026.01 )
  • R.O.K NAVY - CERT ( 2024.06 ~ 2026.02 )
  • λ°±μ„λŒ€ν•™κ΅ NGMS LAB ( 2023.03 ~ )
  • λ°±μ„λŒ€ν•™κ΅ HUB ( 2023.03 ~ )
  • μΈμ½”κ·Έλ‹ˆν†  2021 ν”„λ‘œμ νŠΈ 및 행사 μ°Έκ°€ ( Anti-root )
  • KSCY 17 STAFF ( μ²­μ†Œλ…„ )
  • ν˜„λŒ€μ˜€ν† μ—λ²„ ν™”μ΄νŠΈν•΄μ»€ μ–‘μ„± ꡐ윑 ( 2022 & 우수 μž₯학생 )

πŸ‘Ύ Discovered Vulnerabilities

[CVE-2026-48718] Vulnerability discovered in Firebird

  • (Technical details under coordinated disclosure until official release)

[CVE-2026-1665] Command Injection in nvm

  • Target: nvm-sh/nvm
  • Summary: nvm이 wget으둜 νŒŒμΌμ„ λ‹€μš΄λ‘œλ“œν•  λ•Œ ν™˜κ²½ λ³€μˆ˜ 검증이 λˆ„λ½λ˜μ–΄, κ³΅κ²©μžκ°€ μ‰˜ λͺ…λ Ήμ–΄λ₯Ό κ°•μ œλ‘œ μ‹€ν–‰μ‹œν‚¬ 수 μžˆλŠ” μ»€λ§¨λ“œ μΈμ μ…˜(Command Injection) 취약점
  • Advisory: GHSA-4fc5-r4vr-8rp7

[CVE-2025-69262] Command Injection in pnpm

  • Target: pnpm/pnpm
  • Summary: ν™˜κ²½ λ³€μˆ˜ μΉ˜ν™˜ λ‘œμ§μ„ μ•…μš©ν•œ OS λͺ…λ Ήμ–΄ μ‚½μž… 취약점. CI/CD 및 λΉŒλ“œ ν™˜κ²½μ—μ„œ μž„μ˜ μ½”λ“œ μ‹€ν–‰ μœ„ν—˜.
  • Advisory: GHSA-2phv-j68v-wwqx

[CVE-2025-14550] Potential denial-of-service vulnerability via repeated headers when using ASGI

  • Target: django/django
  • Summary: μ€‘λ³΅λœ HTTP 헀더λ₯Ό μ²˜λ¦¬ν•  λ•Œ λ¬Έμžμ—΄μ„ λ°˜λ³΅ν•΄μ„œ ν•©μΉ˜λŠ” λΉ„νš¨μœ¨μ μΈ 방식(Super-linear) λ•Œλ¬Έμ—, κ³΅κ²©μžκ°€ 적은 λΉ„μš©μœΌλ‘œ μ„œλ²„λ₯Ό λ§ˆλΉ„μ‹œν‚¬ 수 μžˆλŠ” μ„œλΉ„μŠ€ κ±°λΆ€(DoS) 취약점
  • Advisory: GHSA-33mw-q7rj-mjwj

🚩 Activity

  • 2026

    • Break The Syntax CTF 2026 2nd (Team W4llz)
    • TJCTF 2026 4th (Team W4llz)
  • 2025

    • ν™”μ΄νŠΈν–‡ μ½˜ν…ŒμŠ€νŠΈ 2025 λ³Έμ„  (Team 1TSN0R1)
    • CCE 2025 λ³Έμ„  (Team Root or Die)
  • 2024

    • ν•΄κ΅° AI κ²½μ§„λŒ€νšŒ λ³Έμ„  (Team CERT)
    • ν™”μ΄νŠΈν–‡ μ½˜ν…ŒμŠ€νŠΈ 2024 λ³Έμ„  (Team μš°μŠΉν•˜λ©΄ μ „λ¬Έν•˜μ‚¬)

πŸ›°οΈ Project

  • HUB ACADEMY Platform
  • HUB CTF Platform
  • GZ::CTF Platform (Korean Translate)

Contact

  • μ–‘μ§€μš©(Jiyong Yang)
  • i@sy2n0.me / 개인 이메일
  • contact@sy2n0.me / 개인 μ—…λ¬΄μš© 이메일 (for business)

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  1. I'm an early 🐀 I'm an early 🐀
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    🌞 Morning    42 commits  β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘  24.7%
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    πŸŒ† Daytime    66 commits  β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘  38.8%
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    πŸŒƒ Evening    46 commits  β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–‹β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘  27.1%
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    πŸŒ™ Night      16 commits  β–ˆβ–‰β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘β–‘   9.4%
  2. game box game box
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    game box
  3. Sy2n0 Sy2n0 Public

  4. nasa/cFS nasa/cFS Public

    The Core Flight System (cFS)

    C 1.4k 361