Directories with write permissions enabled Security Vulnerability

Description
Unauthenticated users can create files on the web server. A malicious user can easily upload an executable file and execute it on the web server.


Impact
Unauthenticated users can create files on this directory.

References
IIS 5.0 Baseline Security Checklist
Apache Security Tips

Acunetix Web Application Security Blog

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Web Server Security and Database Server Security

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Why File Upload Forms are a major security threat

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“The issues detected were of major impact; if hackers would have found the security holes, they could have hacked an entire Joomla! Site.”

Robin Muilvijk
Quality & Testing Team, Joomla!