CVE-2017-3308 : Security Advisory and Response

A weakness has been identified 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 low privileged attacker with network access, potentially leading to a denial of service.

Understanding CVE-2017-3308

This CVE pertains to a vulnerability in the MySQL Server component of Oracle MySQL, specifically in the Server: DML subcomponent.

What is CVE-2017-3308?

CVE-2017-3308 is a vulnerability in MySQL Server that allows a low privileged attacker with network access to compromise the server, potentially causing a denial of service. The vulnerability affects versions 5.5.54 and earlier, 5.6.35 and earlier, and 5.7.17 and earlier.

The Impact of CVE-2017-3308

The vulnerability can be easily exploited by attackers with network access via multiple protocols, leading to the compromise of MySQL Server.
Successful exploitation may result in unauthorized ability to cause the MySQL Server to hang or frequently crash, causing a complete denial of service.
The CVSS 3.0 Base Score for this vulnerability is 7.7, focusing on its impact on availability.

Technical Details of CVE-2017-3308

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability in MySQL Server allows low privileged attackers with network access to compromise the server, potentially impacting other related products.

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

Attackers with network access via multiple protocols can exploit the vulnerability to compromise MySQL Server.

Mitigation and Prevention

Protecting systems from CVE-2017-3308 requires immediate steps and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Oracle Corporation.
Monitor network traffic for any suspicious activity.
Restrict network access to MySQL Server.

Long-Term Security Practices

Regularly update MySQL Server to the latest version.
Implement network segmentation to limit access to critical servers.
Conduct regular security audits and penetration testing.

Patching and Updates

Stay informed about security advisories from Oracle Corporation.
Apply patches and updates promptly to address known vulnerabilities.