CVE-2019-2746 Denial of service in MySQL Server
A low-privileged attacker can cause a complete denial of service in MySQL Server via network access.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-2746?
CVE-2019-2746 is a medium-severity denial of service vulnerability in Oracle Mysql, published on 23 Jul 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Data Dictionary). Supported versions that are affected are 8.0.12 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-2019-2746?
It affects 1 product.
Products include Oracle Mysql.
How do I fix CVE-2019-2746?
No fix has been published for CVE-2019-2746 yet. Limit exposure of the affected software until one is available.
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-2019-2746 being exploited?
There is no known exploitation of CVE-2019-2746 in the wild and no public exploit code.
Other vulnerabilities in Oracle Mysql
Sources
Also known as GHSA-7mrx-whfc-7356.