🛡️ Sentinel: [보안 향상] Terraform 상태 파일 정보 노출 방지

[seonghobae]

🚨 Severity: HIGH

💡 Vulnerability: Terraform 상태 파일(.tfstate, .tfstate.backup)은 AWS 키, 데이터베이스 패스워드 등 매우 민감한 인프라 시크릿을 평문으로 저장하고 있습니다. 이 애플리케이션이 호스팅 중인 디렉토리에 해당 파일들이 존재하는 경우 인덱스 파일에 노출될 수 있어 심각한 정보 노출(Information Exposure) 및 인프라 침해로 이어질 수 있습니다.

🎯 Impact: 공격자가 정적 파일 시스템이나 호스팅 환경의 구조를 탐색하다 Terraform 상태 파일을 탈취할 경우, 클라우드 인프라 권한을 완전히 획득하거나 데이터베이스를 탈취할 수 있는 막대한 피해를 입힐 수 있습니다.

🔧 Fix: html4tree/main.kt 내부의 기본 제외 대상인 Constants.defaultSensitiveExtensions에 .tfstate와 .tfstate.backup을 추가하여, 설정 누락과 관계없이 기본적으로 노출되지 않도록 Defense-in-depth 조치를 취했습니다.

✅ Verification: 변경 사항이 MainTest.kt의 testProcessIgnoreFileExcludesSensitiveExtensionsCaseInsensitively에서 정상 작동하는지(대소문자 무시 포함) 검증했으며, 테스트 커버리지가 100%로 유지됨을 확인했습니다.

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PR created automatically by Jules for task 6203789861144171495 started by @seonghobae

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Reviewing files that changed from the base of the PR and between de82f99 and 428c002.

📒 Files selected for processing (3)

• .jules/sentinel.md
• src/main/kotlin/html4tree/main.kt
• src/test/kotlin/html4tree/MainTest.kt

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[devin-ai-integration]

✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no bugs or issues to report.