Uncontrolled data used in path expression #1456
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To fix the problem, we need to validate the path parameter to ensure it does not allow directory traversal and is contained within the settings.MEDIA_ROOT directory. We can achieve this by normalizing the path using os.path.normpath and then checking if the resulting path starts with settings.MEDIA_ROOT. Normalize the file_path using os.path.normpath. Check if the normalized file_path starts with settings.MEDIA_ROOT. If the check fails, raise an Http404 error. If the check passes, proceed with the existing logic.
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To fix the problem, we need to ensure that detailed exception information is not exposed to the end user. Instead, we should log the exception details on the server and return a generic error message to the user. This can be achieved by modifying the exception handling block to log the error and return a generic response. - Modify the exception handling block in the `CMSDetector` class to log the exception using the `logger` and return a generic error message. - Ensure that the logging captures the full stack trace for debugging purposes.
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To fix the problem, we need to validate the
pathparameter to ensure it does not allow directory traversal and is contained within thesettings.MEDIA_ROOTdirectory. We can achieve this by normalizing the path usingos.path.normpathand then checking if the resulting path starts withsettings.MEDIA_ROOT.file_pathusingos.path.normpath.file_pathstarts withsettings.MEDIA_ROOT.Http404error.