CVE-2011-4301 Moodle Allows Modification of Constants

What is CVE-2011-4301?

CVE-2011-4301 is a medium-severity vulnerability in Moodle Moodle, published on 11 Jul 2012. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The MoodleQuickForm class in the Forms Library in lib/formslib.php in Moodle 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x before 2.1.2 does not recognize Forms API setConstant operations, which allows remote attackers to submit unexpected form content by modifying the values of constant fields.

Which versions are affected by CVE-2011-4301?

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

Products include Moodle Moodle.

How do I fix CVE-2011-4301?

Upgrade moodle/moodle to a fixed version for your release line: 1.9.14, 2.0.5 or 2.1.2.

Is CVE-2011-4301 being exploited?

There is no known exploitation of CVE-2011-4301 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-jcrj-gmr6-p5j8.