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2224a52fee
- Prevent raw exception messages from being exposed to users - Log full exceptions to stderr for admin review - Return generic 'Internal Server Error' on failure - Update hardcoded year to dynamic datetime.now().year - Add regression test scripts/test_web_dashboard_security.py - Update .jules/sentinel.md with security learning
15 lines
1.6 KiB
Markdown
15 lines
1.6 KiB
Markdown
# Sentinel's Journal
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## 2026-02-07 - Telegram Bot Authorization Bypass
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**Vulnerability:** The Telegram Deployment Bot (`scripts/telegram_deploy_bot.py`) contained a "Fail Open" vulnerability where omitting the `TELEGRAM_ALLOWED_USER_IDS` environment variable resulted in granting access to *all* Telegram users instead of *none*.
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**Learning:** Security controls must default to deny (Fail Closed). Implicitly allowing access when configuration is missing creates silent vulnerabilities that are hard to detect until exploited.
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**Prevention:** Ensure all authorization checks explicitly return `False` or throw an exception if the access control list is empty or undefined. Never default to `True` in security-critical paths.
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## 2026-02-13 - [Documentation] Cloudflare Nameservers and Domain Unification
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- Updated Cloudflare nameservers to daisy.ns.cloudflare.com and rocco.ns.cloudflare.com.
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- Unified domain name to lengkundee01.org across CNAME and PWA documentation.
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## 2026-02-23 - [Information Leakage] Web Dashboard Error Handling
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**Vulnerability:** The Web Dashboard (`scripts/web_dashboard.py`) exposed raw exception messages directly to users in HTTP 500 responses. This could leak internal file paths, configuration details, or other sensitive information.
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**Learning:** Returning `str(e)` in API responses is convenient for debugging but dangerous in production. Attackers can intentionally trigger errors to map the system internals.
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**Prevention:** Always catch exceptions at the top level and return a generic "Internal Server Error" message to the client. Log the full exception details to a secure server log (stderr/file) for administrative review.
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