CVE-2018-2773 : Security Advisory and Response

Oracle MySQL Server versions 5.5.59 and prior, 5.6.39 and prior, and 5.7.21 and prior are affected by a vulnerability that can be exploited by a highly privileged attacker. This can lead to denial of service by causing the server to hang or crash.

Understanding CVE-2018-2773

This CVE involves a vulnerability in Oracle MySQL Server, specifically in the Client programs component, impacting versions 5.5.59 and earlier, 5.6.39 and earlier, and 5.7.21 and earlier.

What is CVE-2018-2773?

The vulnerability allows a highly privileged attacker with access to the MySQL Server infrastructure to compromise the server. Successful exploitation can result in unauthorized actions causing the server to hang or crash, leading to a denial of service.

The Impact of CVE-2018-2773

If exploited, this vulnerability can result in a denial of service by repeatedly causing the MySQL Server to hang or crash. The Common Vulnerability Scoring System (CVSS) 3.0 Base Score for this vulnerability is 4.1, with a specific impact on availability.

Technical Details of CVE-2018-2773

Oracle MySQL Server is affected by a vulnerability that can be exploited by a highly privileged attacker.

Vulnerability Description

The vulnerability in the MySQL Server component allows attackers to compromise the server, potentially leading to a denial of service by causing it to hang or crash.

Affected Systems and Versions

MySQL Server 5.5.59 and prior
MySQL Server 5.6.39 and prior
MySQL Server 5.7.21 and prior

Exploitation Mechanism

Highly privileged attacker with access to the MySQL Server infrastructure
Unauthorized actions leading to server hang or crash

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices can help mitigate the risks associated with CVE-2018-2773.

Immediate Steps to Take

Apply vendor patches and updates promptly
Restrict access to the MySQL Server infrastructure
Monitor server logs for suspicious activities

Long-Term Security Practices

Regularly update and patch MySQL Server
Implement strong access controls and authentication mechanisms
Conduct regular security audits and assessments

Patching and Updates

Oracle Corporation and other vendors have released patches to address this vulnerability
Regularly check for and apply security updates to the MySQL Server