CVE-2022-0334 Insufficient user authorization in Moodle

Medium 4.3 Published Updated

Attackers can view grade reports for courses without proper authorization due to insufficient capability checks in Moodle.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2022-0334?

CVE-2022-0334 is a medium-severity missing authorization vulnerability in Moodle Moodle, published on 25 Jan 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A flaw was found in Moodle in versions 3.11 to 3.11.4, 3.10 to 3.10.8, 3.9 to 3.9.11 and earlier unsupported versions. Insufficient capability checks could lead to users accessing their grade report for courses where they did not have the required gradereport/user:view capability.

Weakness: CWE-668, CWE-863

Which versions are affected by CVE-2022-0334?

7 open source packages ship an affected version, including moodle/moodle and moodle. It affects 1 product.

PackageAffectedFixed in
moodle/moodle PackagistAll versions3.9.11
moodle/moodle PackagistAll versions3.9.11
moodle/moodle PackagistFrom 3.103.10.8
moodle/moodle PackagistFrom 3.103.10.8
moodle/moodle PackagistFrom 3.113.11.5
moodle/moodle PackagistFrom 3.113.11.5
1 more packages
moodle BitnamiAll versions3.8.10, 3.9.12, 3.10.9, 3.11.5

Products include Moodle Moodle.

How do I fix CVE-2022-0334?

Upgrade moodle/moodle to a fixed version for your release line: 3.9.11, 3.10.8 or 3.11.5.

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

Is CVE-2022-0334 being exploited?

There is no known exploitation of CVE-2022-0334 in the wild and no public exploit code.

All Moodle Moodle vulnerabilities

Sources

Also known as BIT-moodle-2022-0334, GHSA-93pj-4p65-qmr9, UBUNTU-CVE-2022-0334.

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