CVE-2018-3278 Denial of service in MySQL Server

Medium 4.9 Published 17 Oct 2018 Updated 2 Oct 2024

A high-privileged attacker can cause a complete denial of service in MySQL Server 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-2018-3278?

CVE-2018-3278 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 17 Oct 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: RBR). Supported versions that are affected are 5.6.41 and prior, 5.7.23 and prior and 8.0.12 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Which versions are affected by CVE-2018-3278?

It affects 7 products.

Products include Canonical Ubuntu Linux, Netapp Oncommand Insight, Netapp Oncommand Unified Manager, Netapp Oncommand Workflow Automation, Netapp Snapcenter, Netapp Storage Automation Store and 1 more.

How do I fix CVE-2018-3278?

Apply the vendor's patch.

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-2018-3278 being exploited?

There is no known exploitation of CVE-2018-3278 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as GHSA-jp4j-77rm-m7cf, UBUNTU-CVE-2018-3278.