CVE-2014-3541 Moodle vulnerable to PHP object injection attacks

What is CVE-2014-3541?

CVE-2014-3541 is a high-severity unsafe deserialization vulnerability in Moodle Moodle, published on 29 Jul 2014. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Repositories component in Moodle through 2.3.11, 2.4.x before 2.4.11, 2.5.x before 2.5.7, 2.6.x before 2.6.4, and 2.7.x before 2.7.1 allows remote attackers to conduct PHP object injection attacks and execute arbitrary code via serialized data associated with an add-on.

Weakness: CWE-94

Which versions are affected by CVE-2014-3541?

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

Products include Moodle Moodle.

How do I fix CVE-2014-3541?

Upgrade moodle/moodle to a fixed version for your release line: 2.4.11, 2.5.7, 2.6.4 or 2.7.1.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2014-3541 being exploited?

There is no known exploitation of CVE-2014-3541 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-fccf-p8fx-vjj4.