π‘οΈ Sentinel: [MEDIUM] μμμ νμΌ κ΅μ²΄(Atomic Move) λ° ν΄λ°± μ²λ¦¬ μ μ©#186
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π‘οΈ Sentinel: [MEDIUM] μμμ νμΌ κ΅μ²΄(Atomic Move) λ° ν΄λ°± μ²λ¦¬ μ μ©#186seonghobae wants to merge 4 commits into
seonghobae wants to merge 4 commits into
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μ μ HTML μΈλ±μ€λ₯Ό μμ±νκ³ κΈ°μ‘΄ νμΌμ κ΅μ²΄(`Files.move`)νλ κ³Όμ μμ νμΌ μμμ΄λ Race Conditionμ λ°©μ§νκΈ° μν΄ `StandardCopyOption.ATOMIC_MOVE` μ΅μ μ μ°μ μ μΌλ‘ μ μ©νλλ‘ λ³΄μμ κ°ννμ΅λλ€. `ATOMIC_MOVE`λ₯Ό μ§μνμ§ μλ νμΌ μμ€ν νκ²½μ κ³ λ €νμ¬ `AtomicMoveNotSupportedException` λ°μ μ `StandardCopyOption.REPLACE_EXISTING`μΌλ‘ μ μ μλ(μ°μν μ€ν¨)νλ Fallback λ‘μ§μ μΆκ°νμ΅λλ€. λͺ¨λ κΈ°λ₯μ λν ν μ€νΈ μ½λλ₯Ό μμ±νμ¬ λͺ λ Ήμ΄ μ»€λ²λ¦¬μ§ 100%λ₯Ό λ¬μ±νμ΅λλ€.
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μ μ HTML μΈλ±μ€λ₯Ό μμ±νκ³ κΈ°μ‘΄ νμΌμ κ΅μ²΄(`Files.move`)νλ κ³Όμ μμ νμΌ μμμ΄λ Race Conditionμ λ°©μ§νκΈ° μν΄ `StandardCopyOption.ATOMIC_MOVE` μ΅μ μ μ°μ μ μΌλ‘ μ μ©νλλ‘ λ³΄μμ κ°ννμ΅λλ€. `ATOMIC_MOVE`λ₯Ό μ§μνμ§ μλ νμΌ μμ€ν νκ²½μ κ³ λ €νμ¬ `AtomicMoveNotSupportedException` λ°μ μ `StandardCopyOption.REPLACE_EXISTING`μΌλ‘ μ μ μλ(μ°μν μ€ν¨)νλ Fallback λ‘μ§μ μΆκ°νμ΅λλ€. λͺ¨λ κΈ°λ₯μ λν ν μ€νΈ μ½λλ₯Ό μμ±νμ¬ λͺ λ Ήμ΄ μ»€λ²λ¦¬μ§ 100%λ₯Ό λ¬μ±νμ΅λλ€.
μ μ HTML μΈλ±μ€λ₯Ό μμ±νκ³ κΈ°μ‘΄ νμΌμ κ΅μ²΄(`Files.move`)νλ κ³Όμ μμ νμΌ μμμ΄λ Race Conditionμ λ°©μ§νκΈ° μν΄ `StandardCopyOption.ATOMIC_MOVE` μ΅μ μ μ°μ μ μΌλ‘ μ μ©νλλ‘ λ³΄μμ κ°ννμ΅λλ€. `ATOMIC_MOVE`λ₯Ό μ§μνμ§ μλ νμΌ μμ€ν νκ²½μ κ³ λ €νμ¬ `AtomicMoveNotSupportedException` λ°μ μ `StandardCopyOption.REPLACE_EXISTING`μΌλ‘ μ μ μλ(μ°μν μ€ν¨)νλ Fallback λ‘μ§μ μΆκ°νμ΅λλ€. λͺ¨λ κΈ°λ₯μ λν ν μ€νΈ μ½λλ₯Ό μμ±νμ¬ λͺ λ Ήμ΄ μ»€λ²λ¦¬μ§ 100%λ₯Ό λ¬μ±νμ΅λλ€.
μ μ HTML μΈλ±μ€λ₯Ό μμ±νκ³ κΈ°μ‘΄ νμΌμ κ΅μ²΄(`Files.move`)νλ κ³Όμ μμ νμΌ μμμ΄λ Race Conditionμ λ°©μ§νκΈ° μν΄ `StandardCopyOption.ATOMIC_MOVE` μ΅μ μ μ°μ μ μΌλ‘ μ μ©νλλ‘ λ³΄μμ κ°ννμ΅λλ€. `ATOMIC_MOVE`λ₯Ό μ§μνμ§ μλ νμΌ μμ€ν νκ²½μ κ³ λ €νμ¬ `AtomicMoveNotSupportedException` λ°μ μ `StandardCopyOption.REPLACE_EXISTING`μΌλ‘ μ μ μλ(μ°μν μ€ν¨)νλ Fallback λ‘μ§μ μΆκ°νμ΅λλ€. λͺ¨λ κΈ°λ₯μ λν ν μ€νΈ μ½λλ₯Ό μμ±νμ¬ λͺ λ Ήμ΄ μ»€λ²λ¦¬μ§ 100%λ₯Ό λ¬μ±νμ΅λλ€.
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π¨ Severity: MEDIUM
π‘ Vulnerability:
Files.moveλ₯Ό μ¬μ©ν λATOMIC_MOVEμ΅μ μ΄ μ μ©λμ§ μμ νμΌ κ΅μ²΄ μ€ Race Conditionμ΄ λ°μνκ±°λ μμ€ν μ₯μ μ λΆμμ ν μΈλ±μ€ νμΌ μ°κΈ°κ° μ λ°λ μ μμμ΅λλ€.π― Impact: μμ±λ
index.htmlμ΄ μμλκ±°λ λΉ νμΌλ‘ μ 곡λ μνμ΄ μμΌλ©°, λ€μμ νμΌ μμ€ν μ΄λ²€νΈκ° κ²ΉμΉ μ λ°μ΄ν° 무결μ±μ΄ μΉ¨ν΄λ©λλ€.π§ Fix:
html4tree/main.ktμwrite_index_fileν¨μμATOMIC_MOVEνλκ·Έλ₯Ό μΆκ°νκ³ , λ―Έμ§μ νκ²½μμ λ°μν μ μλAtomicMoveNotSupportedExceptionμ ν¬μ°©νμ¬ κΈ°μ‘΄μREPLACE_EXISTINGλ°©μμΌλ‘ ν΄λ°±νλλ‘ μμΈ μ²λ¦¬λ₯Ό μΆκ°νμ΅λλ€.β Verification: ν μ€νΈ νκ²½ λ΄μμ ν΄λ°± λ‘μ§μ ꡬλν μ μλλ‘
write_index_fileμFiles.moveλλ€λ₯Ό μ£Όμ λ°κ² 리ν©ν λ§νκ³ , Mock μμΈλ₯Ό λμ§λ λ¨μ ν μ€νΈ(testWriteIndexFileAtomicMoveFallback)λ₯Ό ν΅ν΄ 100% 컀λ²λ¦¬μ§ κ²μ¦μ ν΅κ³Όνμ΅λλ€.PR created automatically by Jules for task 14160591881384760657 started by @seonghobae