CVE-2011-4305 Denial of service in n/a
Authenticated users can cause a denial of service in Moodle via an infinite request loop in the message refresh feature.
- 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-2011-4305?
CVE-2011-4305 is a medium-severity denial of service vulnerability in Moodle Moodle, published on 11 Jul 2012. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
message/refresh.php in Moodle 1.9.x before 1.9.14 allows remote authenticated users to cause a denial of service (infinite request loop) via a URL that specifies a zero wait time for message refreshing.
Weakness: CWE-189
Which versions are affected by CVE-2011-4305?
It affects 1 product.
Products include Moodle Moodle.
How do I fix CVE-2011-4305?
Upgrade to a fixed version.
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-2011-4305 being exploited?
There is no known exploitation of CVE-2011-4305 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-6wq9-m5r8-4gq4.