GHSA-664q-mrxx-2x2v Moodle does not properly manage privileges for WebDAV repositories

• Packagist moodle/moodle: >= 2.0.0, < 2.2.8 → fixed in 2.2.8 • Packagist moodle/moodle: >= 2.3.0, < 2.3.5 → fixed in 2.3.5 • Packagist moodle/moodle: >= 2.4.0, < 2.4.2 → fixed in 2.4.2

Moodle 2.x through 2.1.10, 2.2.x before 2.2.8, 2.3.x before 2.3.5, and 2.4.x before 2.4.2 does not properly manage privileges for WebDAV repositories, which allows remote authenticated users to read, modify, or delete arbitrary site-wide repositories by leveraging certain read access.