CVE-2014-0122 Moodle allows bypass of intended access restrictions

What is CVE-2014-0122?

CVE-2014-0122 is a medium-severity missing authorization vulnerability in Moodle Moodle, published on 22 Mar 2014. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

mod/chat/chat_ajax.php in Moodle through 2.3.11, 2.4.x before 2.4.9, 2.5.x before 2.5.5, and 2.6.x before 2.6.2 does not properly check for the mod/chat:chat capability during chat sessions, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by remaining in a chat session after an intra-session capability removal by an administrator.

Weakness: CWE-264

Which versions are affected by CVE-2014-0122?

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

Products include Moodle Moodle.

How do I fix CVE-2014-0122?

Upgrade moodle/moodle to a fixed version for your release line: 2.4.9, 2.5.5 or 2.6.2.

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

Is CVE-2014-0122 being exploited?

There is no known exploitation of CVE-2014-0122 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-f9m9-494r-w36p.