chore(security): make shell=False invariant explicit in sandboxed E2E subprocesses - #700
chore(security): make shell=False invariant explicit in sandboxed E2E subprocesses#700seonghobae wants to merge 3 commits into
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- Explicitly pass `shell=False` to `subprocess.run` and `subprocess.Popen` in `scripts/ci/sandboxed_web_e2e.py`. - Suppress Bandit B603 warning with `# nosec B603` now that the arguments are parsed via `shlex.split` and `shell=False` is explicit. - Update tests in `tests/test_sandboxed_web_e2e.py` to assert the explicit presence of the `shell=False` keyword argument. - Add a critical learning entry to `.jules/sentinel.md` regarding securely satisfying the Bandit B603 warning while preventing command injections.
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seonghobae
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- Explicitly pass `shell=False` to `subprocess.run` and `subprocess.Popen` in `scripts/ci/sandboxed_web_e2e.py`. - Suppress Bandit B603 warning with `# nosec B603` now that the arguments are parsed via `shlex.split` and `shell=False` is explicit. - Update tests in `tests/test_sandboxed_web_e2e.py` to assert the explicit presence of the `shell=False` keyword argument. - Add a critical learning entry to `.jules/sentinel.md` regarding securely satisfying the Bandit B603 warning while preventing command injections.
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🧹 Nitpick comments (1)
scripts/ci/sandboxed_web_e2e.py (1)
105-113: 🔒 Security & Privacy | 🔵 Trivial | ⚡ Quick win
.jules/sentinel.md의 명령 실행 설명을 수정하세요.
shell=False는 셸 해석을 차단하고shlex.split은 argv 토큰화만 수행합니다.--*-cmd옵션은 호출자가 실행 프로그램을 지정하는 의도된 계약이므로, 허용 목록 부재를 자체 보안 결함으로 설명하지 마세요.shlex.split을 입력 검증이 아닌 argv 토큰화로 설명하세요.🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the rest with a brief reason, keep changes minimal, and validate. In `@scripts/ci/sandboxed_web_e2e.py` around lines 105 - 113, 문서의 명령 실행 설명을 수정하세요. .jules/sentinel.md 38-41에서는 shell=False가 셸 해석을 차단하고 shlex.split이 입력 검증이 아닌 argv 토큰화만 수행한다고 설명하며, --*-cmd가 호출자가 실행 프로그램을 지정하는 의도된 계약임을 명시하고 허용 목록 부재를 보안 결함으로 기술하지 마세요. scripts/ci/sandboxed_web_e2e.py 105-113 및 141-150은 Popen 호출의 동작을 보여주는 근거 사이트이므로 직접 변경하지 마세요.Source: Linters/SAST tools
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Nitpick comments:
In `@scripts/ci/sandboxed_web_e2e.py`:
- Around line 105-113: 문서의 명령 실행 설명을 수정하세요. .jules/sentinel.md 38-41에서는
shell=False가 셸 해석을 차단하고 shlex.split이 입력 검증이 아닌 argv 토큰화만 수행한다고 설명하며, --*-cmd가
호출자가 실행 프로그램을 지정하는 의도된 계약임을 명시하고 허용 목록 부재를 보안 결함으로 기술하지 마세요.
scripts/ci/sandboxed_web_e2e.py 105-113 및 141-150은 Popen 호출의 동작을 보여주는 근거 사이트이므로
직접 변경하지 마세요.
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📒 Files selected for processing (3)
.jules/sentinel.mdscripts/ci/sandboxed_web_e2e.pytests/test_sandboxed_web_e2e.py
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Closing as redundant defense-in-depth during a constrained central-check queue. Python already executes these reviewed argv lists with |
Pull request was closed
Understood. Acknowledging that this PR has been closed and stopping work on this task. |
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Summary
shell=Falseto the sandboxed web E2E helper’sPopenandruncallsSecurity assessment
This is defense-in-depth and regression hardening, not remediation of an active shell-injection vulnerability: Python already defaults these calls to
shell=False, the command is parsed into an argv list withshlex.split, and no shell executable is supplied. The explicit keyword and tests make that boundary visible and harder to regress during later refactoring.The helper still intentionally executes the requested argv inside its existing sandbox boundary; this change does not claim that
shell=Falsealone makes arbitrary executables trustworthy.Validation
Summary by CodeRabbit
보안
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