CVE-2017-3309

moderate-risk

Published 2017-04-24

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.5.54 and earlier, 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows low privileged attacker with network access via multiple protocols 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 7.7 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H).

Do I need to act?

0.32% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.7/10 High

NETWORK / LOW complexity

Affected Products (15)

Mysql

Debian Linux

Mariadb

Enterprise Linux Eus

Enterprise Linux Server

Enterprise Linux Server Aus

Enterprise Linux Workstation

Enterprise Linux Desktop

Enterprise Linux Eus

Enterprise Linux Server Tus

Affected Vendors

Oracle Debian Redhat Mariadb

References (20)

Third Party Advisory http://www.debian.org/security/2017/dsa-3834

Third Party Advisory http://www.debian.org/security/2017/dsa-3944

Patch http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html

Third Party Advisory http://www.securityfocus.com/bid/97742

Broken Link http://www.securitytracker.com/id/1038287

Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2192

Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2787

Third Party Advisory https://access.redhat.com/errata/RHSA-2017:2886

Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0279

Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0574