Input validation error in MariaDB - CVE-2018-3063

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Main Vulnerability Database Vulnerabilities #VU33739

Input validation error in MariaDB - CVE-2018-3063

Published: July 18, 2018 / Updated: August 4, 2020


Vulnerability identifier: #VU33739
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-3063
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Security: Privileges). Supported versions that are affected are 5.5.60 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).


Affected software

MariaDB
mariadb (Alpine package)
mariadb (Red Hat package)
mariadb
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Opensuse
Fedora
Data Computing Appliance (DCA)

How to mitigate CVE-2018-3063

Install update from vendor's website.

MariaDB - update to 10.0.0
mariadb (Alpine package) - update to 10.1.37-r0
Data Computing Appliance (DCA) - update to 4.3.0.0
mariadb (Red Hat package) - update to 5.5.64-1.el7
mariadb - addressed in versions 10.2.17-1.fc27, 10.2.17-1.fc28

External References

Related Security Bulletins