CVE-2017-3243: Medium severity Oracle MySQL vulnerability
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Charsets ). Supported versions that are affected are 5.5.53 and earlier. Difficult to exploit 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.
External References:
http://www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Charsets). Supported versions that are affected are 5.5.53 and earlier. Difficult to exploit 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 v3.0 Base Score 4.4 (Availability impacts).
— MITRE
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 5.5.54 - Upgrade
Upgrade
redhat/mariadbto a version that resolves this vulnerability.Fixed in 5.5.54 - Upgrade
Upgrade
redhat/mariadbto a version that resolves this vulnerability.Fixed in 10.1.21 - Upgrade
Upgrade
redhat/mariadbto a version that resolves this vulnerability.Fixed in 10.0.29 - Upgrade
Upgrade
Oracle MySQL Server (Server: Charsets)to a version that resolves this vulnerability.Fixed in 5.5.53 and earlier
Event History
Frequently Asked Questions
What is the severity of CVE-2017-3243?
CVE-2017-3243 is considered a difficult to exploit vulnerability that allows high privileged attackers with network access to compromise MySQL Server.
Which versions of MySQL are affected by CVE-2017-3243?
CVE-2017-3243 affects MySQL Server 5.5.53 and earlier versions.
How do I fix CVE-2017-3243?
To remediate CVE-2017-3243, you should upgrade to MySQL version 5.5.54 or later.
Are there any alternative solutions for CVE-2017-3243?
You may consider migrating to MariaDB versions 5.5.54, 10.0.29, or 10.1.21 to avoid CVE-2017-3243.
What component is affected by CVE-2017-3243?
CVE-2017-3243 affects the MySQL Server component, specifically in the Charsets subcomponent.