Uploaded files may contain code designed to infect the system or other users.
Large files can be used to perform Denial of Service (DoS) attacks by exhausting server storage or memory. "Hot" Strategies for Securing File Uploads fileupload gunner project hot
To mitigate these risks, the project and industry leaders like the OWASP Foundation recommend several "hot" mitigation strategies: Uploaded files may contain code designed to infect
Only allow a strictly defined list of safe file extensions. fileupload gunner project hot
At its heart, the Fileupload Gunner project addresses the risks when a web server allows users to upload files to its filesystem without sufficient validation of their name, type, or contents. The consequences of these vulnerabilities can be severe:
