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πŸ›‘οΈ Sentinel: [HIGH] μ›μžμ  파일 이동(Atomic Move)을 ν†΅ν•œ Race Condition λ°©μ§€#179

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πŸ›‘οΈ Sentinel: [HIGH] μ›μžμ  파일 이동(Atomic Move)을 ν†΅ν•œ Race Condition λ°©μ§€#179
seonghobae wants to merge 4 commits into
masterfrom
sentinel-atomic-move-fix-2084004960696294969

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🚨 Severity: HIGH
πŸ’‘ Vulnerability: 파일 μ“°κΈ° μ‹œ μž„μ‹œ 파일(tempPath)μ—μ„œ μ΅œμ’… λŒ€μƒ(indexPath)으둜 νŒŒμΌμ„ 이동할 λ•Œ μ›μžμ  이동(ATOMIC_MOVE)을 μ‚¬μš©ν•˜μ§€ μ•Šμ•„, 파일 ꡐ체 도쀑 λ‹€λ₯Έ ν”„λ‘œμ„ΈμŠ€λ‚˜ μ›Ή μ„œλ²„μ—μ„œ λΆˆμ™„μ „ν•œ μƒνƒœμ˜ index.html을 읽게 될 수 μžˆλŠ” Race Condition(경쟁 μƒνƒœ)이 μ‘΄μž¬ν–ˆμŠ΅λ‹ˆλ‹€.
🎯 Impact: 이둜 인해 μ‚¬μš©μžκ°€ μ†μƒλ˜κ±°λ‚˜ λΆˆμ™„μ „ν•œ 디렉토리 인덱슀 HTML을 보게 되며, νŠΉμ • μƒν™©μ—μ„œλŠ” μ˜λ„μΉ˜ μ•Šμ€ 파일 μƒνƒœκ°€ λ…ΈμΆœλ˜μ–΄ 무결성이 훼손될 수 μžˆμŠ΅λ‹ˆλ‹€.
πŸ”§ Fix: Files.move μˆ˜ν–‰ μ‹œ StandardCopyOption.ATOMIC_MOVE μ˜΅μ…˜μ„ μ‚¬μš©ν•˜λŠ” atomic_move 래퍼 ν•¨μˆ˜λ₯Ό λ„μž…ν–ˆμŠ΅λ‹ˆλ‹€. λ§Œμ•½ λŒ€μƒ 파일 μ‹œμŠ€ν…œμ΄ 이λ₯Ό μ§€μ›ν•˜μ§€ μ•Šμ•„ AtomicMoveNotSupportedException이 λ°œμƒν•˜λ©΄ κΈ°μ‘΄ 방식인 REPLACE_EXISTING으둜 μš°μ•„ν•˜κ²Œ 폴백(Fallback)ν•˜λ„λ‘ μ²˜λ¦¬ν–ˆμŠ΅λ‹ˆλ‹€.
βœ… Verification: 100% ν…ŒμŠ€νŠΈ 컀버리지λ₯Ό μœ„ν•΄ atomic_move ν•¨μˆ˜ 호좜과 Exception 폴백 상황을 λͺ¨λ‘ κ²€μ¦ν•˜λŠ” λ‹¨μœ„ ν…ŒμŠ€νŠΈ(AtomicMoveTest2.kt)λ₯Ό μΆ”κ°€ν•˜μ—¬ jacocoTestCoverageVerification을 톡과함을 ν™•μΈν–ˆμŠ΅λ‹ˆλ‹€.


PR created automatically by Jules for task 2084004960696294969 started by @seonghobae

- 파일 생성 μ‹œ λ°œμƒν•˜λŠ” TOCTOU 및 Race Condition을 λ°©μ§€ν•˜κΈ° μœ„ν•΄ Files.move μ‹œ StandardCopyOption.ATOMIC_MOVE μ˜΅μ…˜μ„ μ μš©ν–ˆμŠ΅λ‹ˆλ‹€.
- μ§€μ›ν•˜μ§€ μ•ŠλŠ” 파일 μ‹œμŠ€ν…œμ˜ 경우λ₯Ό λŒ€λΉ„ν•˜μ—¬ 폴백(REPLACE_EXISTING)을 μ œκ³΅ν•˜λŠ” atomic_move 래퍼 ν•¨μˆ˜λ₯Ό λ„μž…ν–ˆμŠ΅λ‹ˆλ‹€.
- 100% ν…ŒμŠ€νŠΈ 컀버리지λ₯Ό μœ„ν•΄ λ‹¨μœ„ ν…ŒμŠ€νŠΈλ₯Ό μΆ”κ°€ν–ˆμŠ΅λ‹ˆλ‹€.
- .jules/sentinel.md에 κ΄€λ ¨λœ λ³΄μ•ˆ ν•™μŠ΅ λ‚΄μš©μ„ μ—…λ°μ΄νŠΈν–ˆμŠ΅λ‹ˆλ‹€.
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- 파일 생성 μ‹œ λ°œμƒν•˜λŠ” TOCTOU 및 Race Condition을 λ°©μ§€ν•˜κΈ° μœ„ν•΄ Files.move μ‹œ StandardCopyOption.ATOMIC_MOVE μ˜΅μ…˜μ„ μ μš©ν–ˆμŠ΅λ‹ˆλ‹€.
- μ§€μ›ν•˜μ§€ μ•ŠλŠ” 파일 μ‹œμŠ€ν…œμ˜ 경우λ₯Ό λŒ€λΉ„ν•˜μ—¬ 폴백(REPLACE_EXISTING)을 μ œκ³΅ν•˜λŠ” atomic_move 래퍼 ν•¨μˆ˜λ₯Ό λ„μž…ν–ˆμŠ΅λ‹ˆλ‹€.
- 100% ν…ŒμŠ€νŠΈ 컀버리지λ₯Ό μœ„ν•΄ λ‹¨μœ„ ν…ŒμŠ€νŠΈλ₯Ό μΆ”κ°€ν–ˆμŠ΅λ‹ˆλ‹€.
- .jules/sentinel.md에 κ΄€λ ¨λœ λ³΄μ•ˆ ν•™μŠ΅ λ‚΄μš©μ„ μ—…λ°μ΄νŠΈν–ˆμŠ΅λ‹ˆλ‹€.
- 파일 생성 μ‹œ λ°œμƒν•˜λŠ” TOCTOU 및 Race Condition을 λ°©μ§€ν•˜κΈ° μœ„ν•΄ Files.move μ‹œ StandardCopyOption.ATOMIC_MOVE μ˜΅μ…˜μ„ μ μš©ν–ˆμŠ΅λ‹ˆλ‹€.
- μ§€μ›ν•˜μ§€ μ•ŠλŠ” 파일 μ‹œμŠ€ν…œμ˜ 경우λ₯Ό λŒ€λΉ„ν•˜μ—¬ 폴백(REPLACE_EXISTING)을 μ œκ³΅ν•˜λŠ” atomic_move 래퍼 ν•¨μˆ˜λ₯Ό λ„μž…ν–ˆμŠ΅λ‹ˆλ‹€.
- 100% ν…ŒμŠ€νŠΈ 컀버리지λ₯Ό μœ„ν•΄ λ‹¨μœ„ ν…ŒμŠ€νŠΈλ₯Ό μΆ”κ°€ν–ˆμŠ΅λ‹ˆλ‹€.
- .jules/sentinel.md에 κ΄€λ ¨λœ λ³΄μ•ˆ ν•™μŠ΅ λ‚΄μš©μ„ μ—…λ°μ΄νŠΈν–ˆμŠ΅λ‹ˆλ‹€.
- 파일 생성 μ‹œ λ°œμƒν•˜λŠ” TOCTOU 및 Race Condition을 λ°©μ§€ν•˜κΈ° μœ„ν•΄ Files.move μ‹œ StandardCopyOption.ATOMIC_MOVE μ˜΅μ…˜μ„ μ μš©ν–ˆμŠ΅λ‹ˆλ‹€.
- μ§€μ›ν•˜μ§€ μ•ŠλŠ” 파일 μ‹œμŠ€ν…œμ˜ 경우λ₯Ό λŒ€λΉ„ν•˜μ—¬ 폴백(REPLACE_EXISTING)을 μ œκ³΅ν•˜λŠ” atomic_move 래퍼 ν•¨μˆ˜λ₯Ό λ„μž…ν–ˆμŠ΅λ‹ˆλ‹€.
- 100% ν…ŒμŠ€νŠΈ 컀버리지λ₯Ό μœ„ν•΄ λ‹¨μœ„ ν…ŒμŠ€νŠΈλ₯Ό μΆ”κ°€ν–ˆμŠ΅λ‹ˆλ‹€.
- .jules/sentinel.md에 κ΄€λ ¨λœ λ³΄μ•ˆ ν•™μŠ΅ λ‚΄μš©μ„ μ—…λ°μ΄νŠΈν–ˆμŠ΅λ‹ˆλ‹€.
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