CVE-2024-38273 moodle: BigBlueButton web service leaks meeting joining information to users who should not have access

What is CVE-2024-38273?

CVE-2024-38273 is a medium-severity missing authorization vulnerability in Fedoraproject Fedora, published on 18 Jun 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Insufficient capability checks meant it was possible for users to gain access to BigBlueButton join URLs they did not have permission to access.

Weakness: CWE-284

Which versions are affected by CVE-2024-38273?

9 open source packages ship an affected version, including moodle/moodle and moodle. It affects 2 products.

Products include Fedoraproject Fedora, Moodle Moodle.

How do I fix CVE-2024-38273?

Upgrade moodle/moodle to a fixed version for your release line: 4.1.11, 4.2.8, 4.3.5 or 4.4.1.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2024-38273 being exploited?

There is no known exploitation of CVE-2024-38273 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-moodle-2024-38273, GHSA-x29x-qwvx-fxr2, UBUNTU-CVE-2024-38273.