GHSA-wf69-r4mx-43rr AVideo Vulnerable to Unauthenticated .env File Exposure via Official Docker Compose Configuration

• Packagist wwbn/avideo: < 29.0 → fixed in 29.0

Vulnerability Details CWE: CWE-538 - Insertion of Sensitive Information into Externally-Accessible File or Directory The official `docker-compose.yml` (line 61) mounts the entire project root directory as the Apache document root: ```yaml volumes: • "./:/var/www/html/AVideo" ``` This causes the `.env` file — which contains database credentials, admin passwords, and infrastructure configuration — to be served as a static file at `/.env`. No `.htaccess` rule or Apache configuration blocks access to dotfiles. Exposed Information An unauthenticated request to `GET /.env` returns: ``` DB_MYSQL_HOST=database DB_MYSQL_USER=avideo DB_MYSQL_PASSWORD=avideo SYSTEM_ADMIN_PASSWORD=admin123 TLS_CERTIFICATE_FILE=/etc/apache2/ssl/localhost.crt TLS_CERTIFICATE_KEY=/etc/apache2/ssl/localhost.key NETWORK_SUBNET=172.30.0.0/16 ``` Steps to Reproduce Prerequisites • AVideo deployed using the official `docker-compose.yml` • No modifications to the default configuration Steps 1. Deploy AVideo using `docker compose up -d` 2. Send: `curl http://target/.env` 3. The full `.env` file contents are returned, including database credentials and admin password Impact • Attacker: Unauthenticated (any remote user) • Victim: AVideo server and database • Specific damage: Attacker obtains database credentials (`DB_MYSQL_USER`, `DB_MYSQL_PASSWORD`), admin password (`SYSTEM_ADMIN_PASSWORD`), and internal network topology (`NETWORK_SUBNET`). This enables direct database access, admin panel takeover, and further lateral movement within the Docker network. Proposed Fix Add a `.htaccess` rule to block access to dotfiles: ```apache Block access to hidden files (.env, .git, etc.) Order Allow,Deny Deny from all ``` Or configure Apache to deny dotfile access in the virtual host configuration.