CVE-2016-8643 Missing authorization in Moodle 2.x and 3.x

Medium 4.3 Published Updated

Non-admin site managers can improperly edit administrator accounts via web services, leading to privilege escalation and unauthorized data modification.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2016-8643?

CVE-2016-8643 is a medium-severity missing authorization vulnerability in Moodle Moodle, published on 20 Jan 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In Moodle 2.x and 3.x, non-admin site managers may accidentally edit admins via web services.

Weakness: CWE-284

Which versions are affected by CVE-2016-8643?

It affects 1 product.

Products include Moodle Moodle.

How do I fix CVE-2016-8643?

No fix has been published for CVE-2016-8643 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2016-8643 being exploited?

There is no known exploitation of CVE-2016-8643 in the wild and no public exploit code.

All Moodle Moodle vulnerabilities

Sources

Also known as GHSA-69xm-pcg8-8qxm, UBUNTU-CVE-2016-8643.

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