CVE-2019-2531 Denial of service in MySQL Server
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-2019-2531?
CVE-2019-2531 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 16 Jan 2019. 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: Replication). Supported versions that are affected are 5.6.42 and prior, 5.7.24 and prior and 8.0.13 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-2019-2531?
It affects 11 products.
Products include Canonical Ubuntu Linux, Netapp Oncommand Unified Manager, Netapp Oncommand Workflow Automation, Netapp Snapcenter, Netapp Storage Automation Store, Oracle Mysql and 5 more.
How do I fix CVE-2019-2531?
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-2019-2531 being exploited?
There is no known exploitation of CVE-2019-2531 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as GHSA-8h34-5vpq-jhv7, UBUNTU-CVE-2019-2531.