Input validation error in MariaDB - CVE-2017-3243

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Main Vulnerability Database Vulnerabilities #VU33790

Input validation error in MariaDB - CVE-2017-3243

Published: January 28, 2017 / Updated: August 4, 2020


Vulnerability identifier: #VU33790
CSH Severity: Low
CVSS v4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-3243
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: 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).


Affected software

MariaDB
Amazon Linux AMI
mariadb (Alpine package)

How to mitigate CVE-2017-3243

Install update from vendor's website.

MariaDB - update to 5.5.54
mariadb (Alpine package) - update to 5.5.54-r0

External References

Related Security Bulletins