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March 21, 2025 17:31
…pecific files from validation
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| message=str(e), | ||
| type=type(e).__name__, | ||
| url=request.url, | ||
| traceback=traceback.format_exc().splitlines(), |
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Information exposure through an exception Medium
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AI 11 months ago
To fix the problem, we should avoid exposing the stack trace to the end user, even in debug mode. Instead, we can log the stack trace on the server side for debugging purposes and return a generic error message to the user. This way, developers can still access the stack trace for debugging, but it will not be exposed to potential attackers.
- Modify the
handle_exceptionfunction to log the stack trace using a logging library and return a generic error message to the user. - Add the necessary import for the logging library.
- Ensure that the stack trace is logged only when the application is in debug mode.
Suggested changeset
1
app.py
| @@ -2,2 +2,3 @@ | ||
| import traceback | ||
| import logging | ||
|
|
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| @@ -61,16 +62,7 @@ | ||
| def handle_exception(e): | ||
| # If the app is in debug mode, return the full traceback | ||
| # Log the full traceback if the app is in debug mode | ||
| if app.debug: | ||
| return ( | ||
| jsonify( | ||
| error="Internal Server Error", | ||
| message=str(e), | ||
| type=type(e).__name__, | ||
| url=request.url, | ||
| traceback=traceback.format_exc().splitlines(), | ||
| ), | ||
| 500, | ||
| ) | ||
| app.logger.error("Exception occurred", exc_info=True) | ||
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| # Otherwise, return a more user-friendly error message | ||
| # Return a more user-friendly error message | ||
| error_message = extract_error_message(str(e)) |
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TODO: Add logging in a future update
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Brief Description of Changes
In case the Database gets breached let's try not to pwn our users