CVE-2019-2758 : Security Advisory and Response

A vulnerability has been identified in the Oracle MySQL Server component, affecting versions 5.7.26 and earlier, as well as 8.0.16 and earlier. This vulnerability can be exploited by a highly privileged attacker with network access, potentially compromising the MySQL Server system.

Understanding CVE-2019-2758

This CVE pertains to a vulnerability in the InnoDB subcomponent of Oracle MySQL Server.

What is CVE-2019-2758?

The vulnerability allows a highly privileged attacker with network access to compromise the MySQL Server, leading to unauthorized activities such as server crashes and data manipulation.

The Impact of CVE-2019-2758

Successful exploitation can result in denial of service by causing the server to hang or crash repeatedly.
Unauthorized manipulation of accessible data within the MySQL Server is possible.
The CVSS 3.0 Base Score for this vulnerability is 5.5, impacting integrity and availability.

Technical Details of CVE-2019-2758

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in the MySQL Server component of Oracle MySQL allows unauthorized access and potential server compromise.

Affected Systems and Versions

Affected Versions: 5.7.26 and prior, 8.0.16 and prior
Product: MySQL Server
Vendor: Oracle Corporation

Exploitation Mechanism

Highly privileged attacker with network access can exploit the vulnerability.
Multiple protocols can be used for network access.

Mitigation and Prevention

Protecting systems from CVE-2019-2758 requires immediate steps and long-term security practices.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update and patch MySQL Server to address known vulnerabilities.
Implement network segmentation to limit the exposure of critical systems.
Conduct regular security audits and penetration testing to identify and address potential weaknesses.

Patching and Updates

Stay informed about security advisories and updates from Oracle Corporation.
Ensure timely installation of patches to mitigate the risk of exploitation.