CVE-2018-2647

Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication). Supported versions that are affected are 5.6.38 and prior and 5.7.20 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).

Affected products

Vendor	Product	Affected	Fixed
Oracle	MySQL Server	5.6.38 and prior, 5.7.20 and prior	—

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Ubuntu

Security tracker ↗

Release	Package	Fixed in	Advisory
Ubuntu 18.04 LTS	mysql-5.7	5.7.21-1ubuntu1	—
Ubuntu 16.04 LTS	mysql-5.7	5.7.21-0ubuntu0.16.04.1	USN-3537-1
Ubuntu 16.04 LTS	percona-server-5.6 +1	No fix yet	—
Ubuntu 14.04 LTS	mysql-5.5	5.5.59-0ubuntu0.14.04.1	USN-3537-1

Red Hat