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b18d80793f
- Prevent raw exception messages from being returned to the client - Log errors securely using app.logger - Return generic "Internal Server Error" - Add regression test case in scripts/test_web_dashboard.py
11 lines
1.2 KiB
Markdown
11 lines
1.2 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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## 2026-02-11 - Web Dashboard Error Leakage
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**Vulnerability:** The web dashboard (`scripts/web_dashboard.py`) returned raw exception messages to the client on error, potentially exposing sensitive system paths or configuration details.
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**Learning:** Detailed error messages intended for developers can become information disclosure vectors when exposed to end-users.
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**Prevention:** Implement generic error responses (e.g., "Internal Server Error") for client-facing endpoints while logging detailed stack traces securely on the server side.
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