CVE-2024-56145 PoC — RCE when PHP `register_argc_argv` config setting is enabled in craftcms/cms

Source

https://github.com/hmhlol/craft-cms-RCE-CVE-2024-56145

Associated Vulnerability

Title: RCE when PHP `register_argc_argv` config setting is enabled in craftcms/cms (CVE-2024-56145)
Description:Craft is a flexible, user-friendly CMS for creating custom digital experiences on the web and beyond. Users of affected versions are affected by this vulnerability if their php.ini configuration has `register_argc_argv` enabled. For these users an unspecified remote code execution vector is present. Users are advised to update to version 3.9.14, 4.13.2, or 5.5.2. Users unable to upgrade should disable `register_argc_argv` to mitigate the issue.

Description

A POC lab environment for CVE-2024-56145 CraftCMS RCE.

Readme

# craft-cms-RCE-CVE-2024-56145
A POC lab environment for CVE-2024-56145 CraftCMS RCE.

## Vulnerability Description

A potential RCE vulnerability is found in craftCMS if the `register_argc_argv` option is enabled in php.ini. This is a POC lab environment where you can reproduce and exploit the bug.

The full explotation steps of the bug can be found at [Aesstnote Blog](https://www.assetnote.io/resources/research/how-an-obscure-php-footgun-led-to-rce-in-craft-cms).

## Lab Setup

You have to download this full repo rather than downloading the zip file as some files contain the application configuration. Run `sudo ./build_docker.sh` to setup the lab.

File Snapshot

Remarks

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