CVE-2019-3851 Moodle Secure layout contained an insecure link in Boost theme

What is CVE-2019-3851?

CVE-2019-3851 is a medium-severity missing authorization vulnerability in Fedoraproject Fedora, published on 26 Mar 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in moodle before versions 3.6.3 and 3.5.5. There was a link to site home within the the Boost theme's secure layout, meaning students could navigate out of the page.

Which versions are affected by CVE-2019-3851?

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

Products include Fedoraproject Fedora, Moodle Moodle.

How do I fix CVE-2019-3851?

Upgrade moodle/moodle to a fixed version for your release line: 3.5.5 or 3.6.3.

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

Is CVE-2019-3851 being exploited?

There is no known exploitation of CVE-2019-3851 in the wild and no public exploit code.

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• 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 GHSA-pj45-hp8h-289r.