CVE-2019-2819 Denial of service in MySQL Server
A high-privileged attacker can cause a complete denial of service and modify data 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-2019-2819?
CVE-2019-2819 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 23 Jul 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: Security: Audit). Supported versions that are affected are 5.6.44 and prior, 5.7.26 and prior and 8.0.16 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.0 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).
Which versions are affected by CVE-2019-2819?
It affects 7 products.
Products include Canonical Ubuntu Linux, Oracle Mysql, Redhat Enterprise Linux, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Tus and 1 more.
How do I fix CVE-2019-2819?
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-2019-2819 being exploited?
There is no known exploitation of CVE-2019-2819 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as GHSA-cp63-5483-ppc6, UBUNTU-CVE-2019-2819.