CVE-2018-3174 Denial of service in MySQL Server
A high-privileged local attacker can cause a complete denial of service in MySQL Server by triggering a crash or hang.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-3174?
CVE-2018-3174 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 17 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Client programs). Supported versions that are affected are 5.5.61 and prior, 5.6.41 and prior, 5.7.23 and prior and 8.0.12 and prior. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. While the vulnerability is in MySQL Server, attacks may significantly impact additional products. 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H).
Which versions are affected by CVE-2018-3174?
It affects 8 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Mariadb Mariadb, Netapp Active Iq Unified Manager, Netapp Oncommand Insight, Netapp Oncommand Workflow Automation and 2 more.
How do I fix CVE-2018-3174?
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-2018-3174 being exploited?
There is no known exploitation of CVE-2018-3174 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2018-3174, GHSA-x7c7-vrm4-2pvw, UBUNTU-CVE-2018-3174.