CVE-2011-2772 Denial of service in n/a

Medium 5.0 Published 15 Nov 2011 Updated 17 Sep 2024

Remote attackers can cause denial of service via memory consumption by uploading large or invalid images to Mahara.

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-2011-2772?

CVE-2011-2772 is a medium-severity denial of service vulnerability in Mahara Mahara, published on 15 Nov 2011. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The get_dataroot_image_path function in lib/file.php in Mahara before 1.4.1 does not properly validate uploaded image files, which allows remote attackers to cause a denial of service (memory consumption) via a (1) large or (2) invalid image.

Weakness: CWE-20

Which versions are affected by CVE-2011-2772?

It affects 1 product.

Products include Mahara Mahara.

How do I fix CVE-2011-2772?

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-2011-2772 being exploited?

There is no known exploitation of CVE-2011-2772 in the wild and no public exploit code.

All Mahara Mahara vulnerabilities

Sources

Also known as GHSA-32wr-mvch-qw37.