CVE-2024-47823 – Livewire Remote Code Execution (RCE) on File Uploads

https://notcve.org/view.php?id=CVE-2024-47823

Livewire is a full-stack framework for Laravel that allows for dynamic UI components without leaving PHP. In livewire/livewire `< v3.5.2`, the file extension of an uploaded file is guessed based on the MIME type. As a result, the actual file extension from the file name is not validated. An attacker can therefore bypass the validation by uploading a file with a valid MIME type (e.g., `image/png`) and a “.php” file extension. If the following criteria are met, the attacker can carry out an RCE attack: 1. • https://github.com/livewire/livewire/commit/70503b79f5db75a1eac9bf55826038a6ee5a16d5 https://github.com/livewire/livewire/security/advisories/GHSA-f3cx-396f-7jqp https://github.com/livewire/livewire/pull/8624 https://github.com/livewire/livewire/commit/cd168c6212ea13d13b82b3132485741f82d9fad9 • CWE-20: Improper Input Validation •