CVE-2011-4291 Moodle allows remote authenticated users to cause a denial of service (invalid database records)
Authenticated users can cause a denial of service by creating invalid database records through crafted rating operations 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-2011-4291?
CVE-2011-4291 is a medium-severity denial of service vulnerability in Moodle Moodle, published on 16 Jul 2012. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Moodle 2.0.x before 2.0.3 allows remote authenticated users to cause a denial of service (invalid database records) via a series of crafted ratings operations.
Which versions are affected by CVE-2011-4291?
2 open source packages ship an affected version, including moodle/moodle. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
moodle/moodle Packagist | From 2.0.0 | 2.0.3 |
moodle/moodle Packagist | From 2.0.0 | 2.0.3 |
Products include Moodle Moodle.
How do I fix CVE-2011-4291?
Upgrade moodle/moodle to 2.0.3 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2011-4291 being exploited?
There is no known exploitation of CVE-2011-4291 in the wild and no public exploit code.
Other vulnerabilities in Moodle Moodle
- CVE-2006-4935 File upload in n/a
- CVE-2006-4936 Moodle does not properly validate module instance id
- CVE-2004-2233 Unknown "front page vulnerability with Moodle servers" for Moodle before 1.3.2 has unknown impact and attack vectors.
- CVE-2004-2235 Cross-site scripting in n/a
- CVE-2004-2236 Other in n/a
Sources
Also known as GHSA-m2pf-4pf8-45j2.