CVE-2017-3463 : Security Advisory and Response

A vulnerability has been discovered in the MySQL Server component of Oracle MySQL, affecting versions 5.5.54 and earlier, 5.6.35 and earlier, and 5.7.17 and earlier. This vulnerability can be exploited by a highly privileged attacker with network access, potentially leading to a denial of service situation.

Understanding CVE-2017-3463

This CVE pertains to a security vulnerability in the MySQL Server component of Oracle MySQL.

What is CVE-2017-3463?

The vulnerability in the MySQL Server component of Oracle MySQL allows a highly privileged attacker with network access to compromise the server, potentially causing a denial of service situation.

The Impact of CVE-2017-3463

The vulnerability affects versions 5.5.54 and earlier, 5.6.35 and earlier, and 5.7.17 and earlier of MySQL Server.
Exploitation by a highly privileged attacker can lead to unauthorized actions causing the server to hang or crash, resulting in a denial of service situation.
The CVSS 3.0 Base Score for this vulnerability is 4.9, with an impact on availability.

Technical Details of CVE-2017-3463

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability allows a highly privileged attacker with network access to compromise the MySQL Server, potentially leading to a denial of service situation.

Affected Systems and Versions

MySQL Server versions 5.5.54 and earlier
MySQL Server versions 5.6.35 and earlier
MySQL Server versions 5.7.17 and earlier

Exploitation Mechanism

The vulnerability can be exploited by a highly privileged attacker with network access through multiple protocols to compromise the MySQL Server.

Mitigation and Prevention

Steps to address and prevent the CVE.

Immediate Steps to Take

Update MySQL Server to a non-vulnerable version.
Implement network security measures to restrict access to the server.

Long-Term Security Practices

Regularly monitor and update MySQL Server for security patches.
Conduct security audits to identify and address vulnerabilities.

Patching and Updates

Apply patches provided by Oracle Corporation to fix the vulnerability.