CVE-2017-3453: Medium severity Oracle MySQL vulnerability
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. 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).
Other sources
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. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.
External References:
http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html#AppendixMSQL
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 5.5.55 - Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 5.6.36 - Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 5.7.18 - Upgrade
Upgrade
redhat/mariadbto a version that resolves this vulnerability.Fixed in 5.5.55 - Upgrade
Upgrade
redhat/mariadbto a version that resolves this vulnerability.Fixed in 10.2.6 - Upgrade
Upgrade
redhat/mariadbto a version that resolves this vulnerability.Fixed in 10.1.23 - Upgrade
Upgrade
redhat/mariadbto a version that resolves this vulnerability.Fixed in 10.0.31 - Upgrade
Upgrade
Oracle MySQL (Server: Optimizer)to a version that resolves this vulnerability.Fixed in 5.5.55 - Upgrade
Upgrade
Oracle MySQL (Server: Optimizer)to a version that resolves this vulnerability.Fixed in 5.6.36 - Upgrade
Upgrade
Oracle MySQL (Server: Optimizer)to a version that resolves this vulnerability.Fixed in 5.7.18
Event History
Frequently Asked Questions
What is the severity of CVE-2017-3453?
CVE-2017-3453 is an easily exploitable vulnerability with a low privilege requirement and network access.
How do I fix CVE-2017-3453?
To fix CVE-2017-3453, upgrade MySQL to versions 5.5.55, 5.6.36, or 5.7.18.
Which MySQL versions are vulnerable to CVE-2017-3453?
MySQL versions 5.5.54 and earlier, 5.6.35 and earlier, and 5.7.17 and earlier are vulnerable to CVE-2017-3453.
Can MariaDB be affected by CVE-2017-3453?
Yes, certain versions of MariaDB may also be affected, specifically those prior to version 5.5.55.
How can attackers exploit CVE-2017-3453?
Attackers can exploit CVE-2017-3453 by sending specially crafted SQL queries to the MySQL server.