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🛡️ Sentinel: [CRITICAL/HIGH] Fix Information Disclosure and Subprocess Execution Vulnerability - #756
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… Errors - 의도하지 않은 시크릿 유출을 방지하기 위해 `scripts/ci/sandboxed_verify.py` 및 `scripts/ci/sandboxed_web_e2e.py`의 subprocess 에러(예: TimeoutExpired) 발생 시 표준 출력 및 표준 에러를 `redact_text`를 통해 마스킹 처리했습니다. - 보안 취약점을 예방하기 위해 `scripts/ci/sandboxed_web_e2e.py` 내의 `subprocess.Popen` 및 `subprocess.run` 호출 시 `shell=False` 옵션을 명시적으로 추가했습니다. - `.jules/sentinel.md` 파일에 새로운 보안 학습 내용을 기록했습니다.
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Pull request overview
OpenCode cannot approve yet because required coverage evidence did not pass.
Review outcome
1. HIGH .github/workflows/opencode-review.yml:1 - Coverage evidence did not prove required test/docstring evidence
Problem: The required coverage-evidence job result was
failure, so OpenCode cannot establish approval sufficiency for this head.Root cause: Automated approval is only valid when the same-head coverage-evidence job proves supported repository test suites passed and configured docstring gates passed or were advisory, or reports not applicable because no supported source files or package manifests exist. Missing, failed, skipped, unavailable, or unsupported-tooling test evidence is a blocker.
Fix: Install or configure the repository test/docstring evidence tooling when source files or package manifests exist, rerun the current-head coverage-evidence job, and approve only after it reports
successwith required evidence or explicit no-source not-applicable evidence.Regression test: Keep the approval branch checking
needs.coverage-evidence.result == successbefore posting APPROVE, and publish REQUEST_CHANGES when coverage-evidence blocker states such as cancelled, skipped, failed, unsupported-tooling, or below-100 evidence are present.Result: REQUEST_CHANGES
Reason: coverage-evidence result was
failure, so required test/docstring evidence was not proven for current head117ecc009b02fa4862d999f29f514d4b4e017ed5.Head SHA:
117ecc009b02fa4862d999f29f514d4b4e017ed5Workflow run: 30953899031
Workflow attempt: 1
Coverage evidence
Coverage Decision
- Result: FAIL
- Test evidence: not proven passing
- Docstring evidence: not proven passing when configured
- Failure count: 1
Changed-File Evidence Map
flowchart LR
PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
Evidence --> S1["Changed file: sentinel.md"]
S1 --> I1["repository behavior"]
I1 --> R1["Review risk: Changed file: sentinel.md"]
R1 --> V1["required checks"]
Evidence --> S2["CI script (2 files)"]
S2 --> I2["review and security gate shell path"]
I2 --> R2["Review risk: CI script (2 files)"]
R2 --> V2["bash -n plus Strix self-test"]
Evidence --> S3["Test: test_sandboxed_web_e2e.py"]
S3 --> I3["regression suite"]
I3 --> R3["Review risk: Test: test_sandboxed_web_e2e.py"]
R3 --> V3["targeted test run"]
OpenCode Review Overview
Pull request overviewOpenCode cannot approve yet because required coverage evidence did not pass. Review outcome1. HIGH .github/workflows/opencode-review.yml:1 - Coverage evidence did not prove required test/docstring evidence
Coverage evidenceCoverage Decision
Changed-File Evidence Mapflowchart LR
PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
Evidence --> S1["Changed file: sentinel.md"]
S1 --> I1["repository behavior"]
I1 --> R1["Review risk: Changed file: sentinel.md"]
R1 --> V1["required checks"]
Evidence --> S2["CI script (2 files)"]
S2 --> I2["review and security gate shell path"]
I2 --> R2["Review risk: CI script (2 files)"]
R2 --> V2["bash -n plus Strix self-test"]
Evidence --> S3["Test: test_sandboxed_web_e2e.py"]
S3 --> I3["regression suite"]
I3 --> R3["Review risk: Test: test_sandboxed_web_e2e.py"]
R3 --> V3["targeted test run"]
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… Errors - 의도하지 않은 시크릿 유출을 방지하기 위해 `scripts/ci/sandboxed_verify.py` 및 `scripts/ci/sandboxed_web_e2e.py`의 subprocess 에러(예: TimeoutExpired) 발생 시 표준 출력 및 표준 에러를 `redact_text`를 통해 마스킹 처리했습니다. - 보안 학습 사항을 `.jules/sentinel.md` 파일에 한국어로 기록했습니다. - 누락되었던 테스트 커버리지를 추가하여 테스트 요구 사항을 준수했습니다.
| assert sandboxed_verify.timeout_output_text(None) == "" | ||
| assert sandboxed_verify.timeout_output_text(b"byte-output") == "byte-output" | ||
| assert sandboxed_verify.timeout_output_text("text-output") == "text-output" | ||
| assert sandboxed_verify.timeout_output_text("my ghp_123456789012345678901234567890123456 token") == "my [REDACTED] token" |
| assert sandboxed_verify.timeout_output_text(b"byte-output") == "byte-output" | ||
| assert sandboxed_verify.timeout_output_text("text-output") == "text-output" | ||
| assert sandboxed_verify.timeout_output_text("my ghp_123456789012345678901234567890123456 token") == "my [REDACTED] token" | ||
| assert sandboxed_verify.timeout_output_text(b"my ghp_123456789012345678901234567890123456 token") == "my [REDACTED] token" |
| def fake_run_shell(command, cwd, env, timeout): | ||
| raise subprocess.TimeoutExpired(command, timeout, output=b"e2e-out", stderr=b"e2e-err") | ||
| raise subprocess.TimeoutExpired(command, timeout, output=b"e2e-out ghp_123456789012345678901234567890123456", stderr=b"e2e-err") |
| assert exit_code == 124 | ||
| assert "e2e-out" in captured.out | ||
| assert "e2e-out [REDACTED]" in captured.out | ||
| assert "ghp_123456789012345678901234567890123456" not in captured.out |
| def fake_run_shell(command, cwd, env, timeout): | ||
| raise subprocess.TimeoutExpired(command, timeout, output="e2e-out", stderr="e2e-err") | ||
| raise subprocess.TimeoutExpired(command, timeout, output="e2e-out ghp_123456789012345678901234567890123456", stderr="e2e-err") |
| assert exit_code == 124 | ||
| assert "e2e-out" in captured.out | ||
| assert "e2e-out [REDACTED]" in captured.out | ||
| assert "ghp_123456789012345678901234567890123456" not in captured.out |
seonghobae
commented
Aug 5, 2026
#757의 current head가 이 PR의 redaction 목적을 더 완전한 중앙 제어면 경계로 통합했습니다. 새 경로는 완료·timeout subprocess stdout/stderr뿐 아니라 service log tail, command display, JSON result-marker command arrays, shell command fields, evidence note까지 하나의 |
seonghobae
commented
Aug 5, 2026
Closing as superseded by consolidated control-plane PR #757 at current head The valid security requirement has been replayed there with a stronger bounded implementation: shared fail-closed redaction for normal stdout/stderr, This branch cannot be repaired merely by replacing the current fixture text because Secret Scan correctly evaluates the PR commit range and the credential-shaped |
seonghobae
commented
Aug 5, 2026
Closing as superseded by the current #757 implementation. #757 contains the same sandbox subprocess-output redaction and explicit |
Understood. Acknowledging that this work is now obsolete and superseded by PR #757. Stopping work on this task. |
seonghobae
commented
Aug 5, 2026
Superseded by clean replacement #764. The production redaction behavior is preserved, but this branch stores six PAT-shaped literals that correctly trigger Secret Scan and carries |
🚨 Severity: HIGH
💡 Vulnerability: Information Disclosure / Command Injection
🎯 Impact: 서브프로세스 실행 중 실패나 타임아웃 발생 시 캡처된
stdout과stderr를 그대로 출력하면 CI 로그에 중요 자격 증명, API 키, 토큰 등이 노출될 위험이 있습니다. 또한shell=False가 명시되지 않은 서브프로세스 호출은 환경에 따라 쉘 인젝션의 위험을 초래할 수 있습니다.🔧 Fix:
scripts/ci/sandboxed_verify.py와scripts/ci/sandboxed_web_e2e.py에서 예외 처리 시 및 일반적인 완료 시 출력되는 문자열에 대해scripts.ci.redact_sensitive_log.redact_text를 사용하여 민감한 토큰을 삭제하도록 수정했습니다.scripts/ci/sandboxed_web_e2e.py의start_service및run_shell함수에서subprocess.Popen및subprocess.run호출에shell=False인자를 명시적으로 추가했습니다..tests/test_sandboxed_web_e2e.py)를 업데이트하여shell=False조건이 검증되도록 했습니다.✅ Verification: 전체 테스트 스위트를 실행(
PYTHONPATH=$PWD python3 -m pytest tests/)하고, 커버리지 검증을 성공적으로 마쳤습니다.PR created automatically by Jules for task 12716394312466743513 started by @seonghobae