Vulnerability · Published Oct 8, 2024 · Assigned by GitHub_M
CVE-2024-47823Livewire Remote Code Execution (RCE) on File Uploads
High 7.7
In plain English
A high-severity improper input validation in livewire from livewire. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Official description
Livewire is a full-stack framework for Laravel that allows for dynamic UI components without leaving PHP. In livewire/livewire prior to `2.12.7` and `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. Filename is composed of the original file name using `$file->getClientOriginalName()`. 2. Files stored directly on your server in a public storage disk. 3. Webserver is configured to execute “.php” files. This issue has been addressed in release versions `2.12.7` and `3.5.2`. All users are advised to upgrade. There are no known workarounds for this vulnerability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | livewire/livewire | 3.5.2 | GHSA-f3cx-396f-7jqp |
| Packagist | livewire/livewire | 2.12.7 | GHSA-f3cx-396f-7jqp |
Affected products (as reported)
Weakness: CWE-20 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
- https://github.com/livewire/livewire/security/advisories/GHSA-f3cx-396f-7jqp x_refsource_CONFIRM
- https://github.com/livewire/livewire/pull/8624 x_refsource_MISC
- https://github.com/livewire/livewire/commit/70503b79f5db75a1eac9bf55826038a6ee5a16d5 x_refsource_MISC
- https://github.com/livewire/livewire/commit/cd168c6212ea13d13b82b3132485741f82d9fad9 x_refsource_MISC