🛡️ Sentinel: [MEDIUM] ERD 모델 제한 적용을 통한 DoS 취약점 수정

[seonghobae]

🚨 Severity: MEDIUM
💡 Vulnerability: ERDModel의 식별자 길이(테이블명, 컬럼명)와 최대 테이블 수, 컬럼 수, 외래키 수에 대한 제한이 없어 대규모 ERD 페이로드를 통해 자원 고갈(DoS) 공격이 가능했습니다.
🎯 Impact: 공격자가 거대한 ERD를 전송할 경우 서버 메모리가 소진되거나 DDL 생성 시 과도한 CPU 연산을 유발할 수 있습니다.
🔧 Fix: 최대 식별자 길이를 63자로 제한하고, 최대 테이블 수 100개, 테이블당 컬럼 수 100개, 테이블당 외래키 수 50개로 제한을 추가했습니다.
✅ Verification: pnpm vitest를 통한 회귀 테스트 완료, 제한 초과 시 예외가 발생하는 것을 확인했습니다.

Changelog

ERD 모델의 테이블 및 컬럼 등에 최대 크기와 길이 제한을 추가하여 메모리 및 CPU 자원 고갈(DoS) 취약점을 수정했습니다.

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PR created automatically by Jules for task 4325607802932524341 started by @seonghobae

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Reviewing files that changed from the base of the PR and between 2fa9201 and 4a8078a.

📒 Files selected for processing (4)

• .jules/sentinel.md
• .trivyignore
• packages/web/src/lib/erd.security-regression.test.ts
• packages/web/src/lib/erd.ts

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