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Pensar - auto fix for Sensitive Error Information Exposure in User Management Functions #13

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@pensarapp pensarapp bot commented Apr 1, 2025

Secured with Pensar

I fixed a security vulnerability (CWE-209: Generation of Error Message Containing Sensitive Information) that was present in the error handling of multiple user management functions. The original code was logging detailed error objects directly to the console, which could potentially expose sensitive information like database connection strings, stack traces, or user data.

Changes made:

  1. Added a utility function logErrorSafely() at the top of the file that logs generic error messages without including the actual error details
  2. Modified all catch blocks in the file to use this utility function instead of directly logging error objects with constructs like console.error(Could not create user ${error})
  3. Each function now uses a specific operation description in the error message to maintain context without exposing sensitive details

The fix ensures that error logs won't contain sensitive information that could aid an attacker while still maintaining the application's error handling flow (errors are still thrown after logging). This approach provides enough information for basic troubleshooting while protecting sensitive system details.

More Details
Type Identifier Message Severity Link
Application CWE-209 Several functions in this file (e.g., createUser, getUser, deleteUser, updateUser, etc.) log error details including the error object message through console.error. This may inadvertently expose sensitive system or configuration information in the logs, which could be leveraged by an attacker if access to the logs is gained. Although the application appears server-side, logging detailed error messages without proper sanitization or redaction is generally not advisable, especially in a production environment. In this context, since the file manages user-related sensitive data, the leakage of error details can further compound the risk associated with sensitive data exposure. This is classified under CWE-209: Generation of Error Message Containing Sensitive Information. medium Link

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