CVE-2013-1834 Moodle allows remote authenticated users to reassign notes

What is CVE-2013-1834?

CVE-2013-1834 is a medium-severity missing authorization vulnerability in Moodle Moodle, published on 25 Mar 2013. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

notes/edit.php in Moodle 1.9.x through 1.9.19, 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 allows remote authenticated users to reassign notes via a modified (1) userid or (2) courseid field.

Weakness: CWE-264

Which versions are affected by CVE-2013-1834?

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

Products include Moodle Moodle.

How do I fix CVE-2013-1834?

Upgrade moodle/moodle to a fixed version for your release line: 2.2.8, 2.3.5 or 2.4.2.

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

Is CVE-2013-1834 being exploited?

There is no known exploitation of CVE-2013-1834 in the wild and no public exploit code.

Other vulnerabilities in Moodle Moodle

• CVE-2006-4935 File upload in n/a Critical 10.0
• CVE-2006-4936 Moodle does not properly validate module instance id Critical 10.0
• CVE-2004-2233 Unknown "front page vulnerability with Moodle servers" for Moodle before 1.3.2 has unknown impact and attack vectors. Critical 10.0
• CVE-2004-2235 Cross-site scripting in n/a Critical 10.0
• CVE-2004-2236 Other in n/a Critical 10.0

All Moodle Moodle vulnerabilities

Sources

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

Also known as GHSA-prrh-679x-79qh, UBUNTU-CVE-2013-1834.