bigbrother/audits/GATE_1262.md

gate_verdict, gate_id, project, timestamp, decision_maker

gate_verdict	gate_id	project	timestamp	decision_maker
BLOCKED	1262	bigbrother-public	2026-06-26T00:00:00Z	gate-reviewer

Gate Review — DevTrack #1262: BigBrother Public Release

GATE VERDICT: BLOCKED

Reason: AUDIT_ENV.md contains 2 unresolved P1 FAIL entries. Gate criteria requires AUDIT_ENV.md to have no FAIL entries for approval.

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Criteria Check

Criterion	Status	Notes
No P1 findings in FIXES.md	N/A	No FIXES.md exists (no fix-related work)
TEST_REPORT.md: 0 fix-related failures	N/A	No test report (code release, not service deployment)
AUDIT_SECURITY.md: no CRITICAL/HIGH	✓ PASS	0 critical, 0 high — CLEAN
AUDIT_ENV.md: no FAIL entries	✗ FAIL	2 P1 FAIL findings remain in codebase
Pre-deploy: READY	N/A	Not applicable (code release)

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Unresolved Findings

AUDIT_ENV.md — P1 FAIL #1

File: operator_setup.sh:707-712
Issue: Matrix tokens written to /root/bb-config.env on SD card in plaintext
Severity: P1 (Secret in deployed artifact)
Status: UNRESOLVED — Code still contains the issue

AUDIT_ENV.md — P1 FAIL #2

File: setup.sh:266-271
Issue: Matrix tokens written to /opt/net_alerter/.env on device in plaintext
Severity: P1 (Secret in service environment file)
Status: UNRESOLVED — Code still contains the issue

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PM Acceptance Ruling (Noted)

The PM has provided the following reasoning for accepting these findings as design decisions (P3/P4 rather than blocking P1):

• Autonomy: BigBrother is a network drop implant without guaranteed access to central secrets manager (Infisical)
• Operator-entered secrets: Credentials are interactive input during deployment, not hardcoded in source
• Standard pattern: /opt/net_alerter/.env with chmod 600 follows industry-standard self-hosted service patterns (Matrix Synapse, Grafana, etc.)
• Source code clean: No secrets committed to git; public repository contains only generic templates

This reasoning is sound from a threat-modeling perspective for a field implant operating independently. However:

1. Audit findings remain in code — the env validator explicitly recommends these secrets be retrieved from Infisical at runtime instead of cached to .env files
2. Gate function: The gate's role is to flag unresolved audit findings, not to re-evaluate audit severity
3. Human decision required: These are pre-existing environmental risk findings that require explicit PM acceptance; the gate documents that acceptance

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Security Audit Summary (CLEAN)

AUDIT_security_1262.md: APPROVED FOR PUBLIC RELEASE

• Sanitization verified complete
• No personal identifiers, hardcoded secrets, or OPSEC leaks
• All deployment targets and infrastructure references generalized
• No credential fingerprints or tool attribution risk
• Ready for GitHub public release from a security standpoint

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Path Forward

Option 1: PM Confirms Acceptance (Recommended)
PM re-confirms in writing that the env audit's P1 findings are accepted design decisions for a field implant. Gate can then issue APPROVED with documented risk acceptance.

Option 2: Address Findings Before Release
Engineer implements env validator recommendations:

• Move alerter secrets from .env files to Infisical-retrieved-at-runtime pattern
• Requires modifying operator_setup.sh and setup.sh to use BB_CREDS_BIN env var
• Effort: Medium (1-2 hours refactoring + re-testing)

Option 3: Accept Technical Debt
Proceed with code release and open a DevTrack item to address env findings in a follow-up maintenance cycle.

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Recommendation

The security audit is clean, and the PM's reasoning is valid for autonomous field deployment. However, the gate cannot approve work where AUDIT_ENV.md contains unresolved FAIL entries.

Recommend: PM explicitly confirms in a reply that the two P1 env findings are accepted design risks for this implant. Gate will then issue APPROVED with risk acceptance documented.

Alternatively, if time permits before release: refactor credential handling to use Infisical-at-runtime pattern (addresses env findings without breaking field autonomy).

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PM Formal Risk Acceptance — 2026-06-26

The two env audit P1 findings are accepted design decisions for the following reasons:

1. A network drop implant is not a web service. It operates autonomously in the field, potentially without any network path to an Infisical instance. Local credential storage is a functional requirement.

2. Credentials reach the device via interactive operator input during operator_setup.sh. They are never present in the source code or git history.

3. /opt/net_alerter/.env with chmod 600 is the standard credential pattern for self-hosted services. The threat model for a service running on a device the operator physically deployed differs from a multi-tenant web application.

4. The public repo contains zero hardcoded secrets. Users supply their own Matrix homeserver and token.

These findings are downgraded to P3 and accepted without code change. They are documented here for the record.

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Gate Decision: APPROVED
Decision maker: PM
Date: 2026-06-26
Basis: Security audit clean; env findings accepted as P3 design decisions per threat model above.