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Home
  • 분류 전체보기 (123)
    • Exploit (10)
      • Tools (2)
      • Exploit (5)
      • Bug Bounty (3)
    • Wargame (84)
      • HackCTF (15)
      • XSS game (6)
      • Dreamhack (2)
      • Webhacking.kr (10)
      • XSS Challenges (8)
      • H4CKING GAME (2)
      • 정보보호영재교육원 (1)
      • Lord of SQL Injection (40)
    • CTF (29)
      • YISF 2022 (0)
      • CBHC 2022 (1)
      • HeroCTF v4 (2)
      • corCTF 2022 (2)
      • Aero CTF 2022 (0)
      • BDSec CTF 2022 (4)
      • San Diego CTF 2022 (5)
      • WACon 2022 Qualifier (1)
      • Cyber Conflict Exercise 202.. (4)
      • DiceCTF 2023 (1)
      • Incognito 4.0 (3)
      • BYUCTF 2023 (1)
      • DEF CON 31 (1)
      • 2023 HackTheon Sejong (1)
      • Cyber Conflict Exercise 202.. (2)
      • CDDC 2023 (1)
      • YISF 2023 (0)
    • Archive (0)
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CTF/2023 HackTheon Sejong (1)

  • CTF/2023 HackTheon Sejong

    [2023 HackTheon Sejong Quals] Vulnerable web service

    Prob 이 문제는 두 개의 취약점을 통해 풀 수 있었습니다. 첫번째 취약점 const normalize = path => { const startSlash = path.charAt(0) === '/' const parts = path.split('/') let res = [] for (let i=0; i < parts.length; i++) { if (!parts[i] || parts[i] === '.') continue if (parts[i] === '..') { if (res.length && res[res.length - 1] !== '..') res.pop() } else res.push(parts[i]) } res = res.join('/') if (!res && !startSlash) { r..

    2023. 6. 16.

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