CVE-2018-3066 Missing authorization in MySQL Server

Low 3.3 Published 18 Jul 2018 Updated 2 Oct 2024

High-privileged attackers can bypass authorization controls to read and modify a subset of MySQL Server data via network access.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2018-3066?

CVE-2018-3066 is a low-severity missing authorization vulnerability in Canonical Ubuntu Linux, published on 18 Jul 2018. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Options). Supported versions that are affected are 5.5.60 and prior, 5.6.40 and prior and 5.7.22 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data as well as unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.0 Base Score 3.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N).

Which versions are affected by CVE-2018-3066?

It affects 11 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Mariadb Mariadb, Netapp Oncommand Insight, Netapp Oncommand Workflow Automation, Netapp Snapcenter and 5 more.

How do I fix CVE-2018-3066?

Apply the vendor's patch.

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

Is CVE-2018-3066 being exploited?

There is no known exploitation of CVE-2018-3066 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2018-3066, GHSA-hg5j-c849-7q67, UBUNTU-CVE-2018-3066.