CVE-2019-2974 Denial of service in MySQL Server
A low-privileged attacker can cause a complete denial of service in MySQL Server via the Optimizer component.
- 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-2019-2974?
CVE-2019-2974 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 16 Oct 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.6.45 and prior, 5.7.27 and prior and 8.0.17 and prior. Easily exploitable vulnerability allows low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
Which versions are affected by CVE-2019-2974?
It affects 5 products.
Linux distribution packages (22)
mariadb SUSE:Enterprise Storage 5 | All versions | 10.0.40.2-29.35.1 |
mariadb SUSE:HPE Helion OpenStack 8 | All versions | 10.0.40.2-29.35.1 |
mariadb-100 SUSE:Linux Enterprise Desktop 12 SP4 | All versions | 10.0.40.2-2.12.2 |
mariadb SUSE:Linux Enterprise Server 12 SP1-LTSS | All versions | 10.0.40.2-29.35.1 |
mariadb SUSE:Linux Enterprise Server 12 SP2-BCL | All versions | 10.0.40.2-29.35.1 |
mariadb SUSE:Linux Enterprise Server 12 SP2-LTSS | All versions | 10.0.40.2-29.35.1 |
mariadb SUSE:Linux Enterprise Server 12 SP3-BCL | All versions | 10.0.40.2-29.35.1 |
mariadb SUSE:Linux Enterprise Server 12 SP3-LTSS | All versions | 10.0.40.2-29.35.1 |
mariadb-100 SUSE:Linux Enterprise Server 12 SP4 | All versions | 10.0.40.2-2.12.2 |
mariadb-100 SUSE:Linux Enterprise Server 12 SP5 | All versions | 10.0.40.2-2.12.2 |
mariadb SUSE:Linux Enterprise Server for SAP Applications 12 SP1 | All versions | 10.0.40.2-29.35.1 |
mariadb SUSE:Linux Enterprise Server for SAP Applications 12 SP2 | All versions | 10.0.40.2-29.35.1 |
mariadb SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | All versions | 10.0.40.2-29.35.1 |
mariadb-100 SUSE:Linux Enterprise Server for SAP Applications 12 SP4 | All versions | 10.0.40.2-2.12.2 |
mariadb-100 SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | All versions | 10.0.40.2-2.12.2 |
mariadb-100 SUSE:Linux Enterprise Software Development Kit 12 SP4 | All versions | 10.0.40.2-2.12.2 |
mariadb-100 SUSE:Linux Enterprise Software Development Kit 12 SP5 | All versions | 10.0.40.2-2.12.2 |
mariadb-100 SUSE:Linux Enterprise Workstation Extension 12 SP4 | All versions | 10.0.40.2-2.12.2 |
mariadb-100 SUSE:Linux Enterprise Workstation Extension 12 SP5 | All versions | 10.0.40.2-2.12.2 |
mariadb SUSE:OpenStack Cloud 7 | All versions | 10.0.40.2-29.35.1 |
mariadb SUSE:OpenStack Cloud 8 | All versions | 10.0.40.2-29.35.1 |
mariadb SUSE:OpenStack Cloud Crowbar 8 | All versions | 10.0.40.2-29.35.1 |
Products include Canonical Ubuntu Linux, Fedoraproject Fedora, Mariadb Mariadb, Opensuse Leap, Oracle Mysql.
How do I fix CVE-2019-2974?
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-2019-2974 being exploited?
There is no known exploitation of CVE-2019-2974 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2019-2974, GHSA-p396-jmwr-p8q2, SUSE-SU-2019:3370-1, SUSE-SU-2020:0050-1, UBUNTU-CVE-2019-2974.