Executive Summary

This vulnerability exists in Filament, a set of components for Laravel development, where certain schema components unintentionally allow unauthenticated users to upload files to the application's temporary storage.

Specifically, from versions 3.0.0 until 3.3.52, 4.11.5, and 5.6.5, any schema can include a file upload form field because Filament applies Livewire's WithFileUploads trait to the Livewire component containing the schema.

However, some schemas like the panel login form do not require file uploads, and exposing unauthenticated temporary file uploads on these components is a security risk.

An unauthenticated attacker could exploit this to upload arbitrary files to temporary storage.

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Impact Analysis

The vulnerability allows unauthenticated attackers to upload arbitrary files to the application's temporary storage.

This can be abused to exhaust disk space, potentially causing denial of service or degraded application performance.

Additionally, it can inflate storage costs due to the accumulation of unwanted files.

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Mitigation Strategies

To mitigate this vulnerability, you should upgrade Filament to one of the fixed versions: 3.3.52, 4.11.5, or 5.6.5.

This will prevent unauthenticated attackers from uploading arbitrary files to the application's temporary storage, thereby avoiding risks such as disk space exhaustion or inflated storage costs.

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Compliance Impact

The vulnerability allows unauthenticated attackers to upload arbitrary files to the application's temporary storage, which could lead to exhaustion of disk space or increased storage costs.

However, there is no specific information provided about how this vulnerability impacts compliance with common standards and regulations such as GDPR or HIPAA.

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