![]() ![]() If the input is not properly sanitized before being used to retrieve files from the file cabinet or retrieve attachments from a received message or memo, it can be exploited to download arbitrary files from the system via directory traversal attacks.ĭownload_file (‘/var/www/store_file/’ + params) Many web applications have file download sections where a user can download one or more files of his choice. ![]() Difference between Arbitrary File Download and LFI/ RFIīasic Web related concepts What is arbitrary file download?Īs the name suggests, if the web application doesn’t check the file name required by the user, any malicious user can exploit this vulnerability to download sensitive files from the server.
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