Fix code scanning alert no. 2: Log entries created from user input #10
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| //this action will be called anytime a user wants to interact with your application | ||
| _logger.LogDebug("received request for {msisdn} {session_id} {gs_request}", request.Mobile, request.SessionId, | ||
| var sanitizedSessionId = request.SessionId?.Replace(Environment.NewLine, "").Replace("\n", "").Replace("\r", ""); | ||
| _logger.LogDebug("received request for {msisdn} {session_id} {gs_request}", request.Mobile, sanitizedSessionId, |
Check failure
Code scanning / CodeQL
Log entries created from user input
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AI about 1 year ago
To fix the problem, we need to sanitize the request.Mobile value before logging it. Since the log entries are likely plain text, we should remove any new line characters from the user input. This can be done using the String.Replace method to ensure that no line endings are present in the user input.
Suggested changeset
1
examples/WebApplication1/Controllers/RequestController.cs
| @@ -44,3 +44,4 @@ | ||
| var sanitizedSessionId = request.SessionId?.Replace(Environment.NewLine, "").Replace("\n", "").Replace("\r", ""); | ||
| _logger.LogDebug("received request for {msisdn} {session_id} {gs_request}", request.Mobile, sanitizedSessionId, | ||
| var sanitizedMobile = request.Mobile?.Replace(Environment.NewLine, "").Replace("\n", "").Replace("\r", ""); | ||
| _logger.LogDebug("received request for {msisdn} {session_id} {gs_request}", sanitizedMobile, sanitizedSessionId, | ||
| JsonConvert.SerializeObject(request)); |
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Fixes https://github.com/hubtel/programmable-services-sdk-dotnet/security/code-scanning/2
To fix the problem, we need to sanitize the
SessionIdbefore logging it. Since the log entries are plain text, we should remove any new line characters from theSessionIdto prevent log forging. This can be done using theString.Replacemethod to replace new line characters with an empty string.Suggested fixes powered by Copilot Autofix. Review carefully before merging.