CVE-2021-35577 : Vulnerability Insights and Analysis
Learn about CVE-2021-35577 affecting Oracle MySQL Server versions 8.0.26 and earlier. Understand the impact, vulnerability description, affected systems, and mitigation steps.
A vulnerability has been discovered in Oracle MySQL Server that could allow a high privileged attacker to compromise the server. This CVE-2021-35577 affects MySQL Server versions 8.0.26 and prior. Read on to understand the impact and how to mitigate this vulnerability.
Understanding CVE-2021-35577
This section will cover what CVE-2021-35577 is and the impact it has.
What is CVE-2021-35577?
The vulnerability in the MySQL Server product of Oracle MySQL, specifically in the Optimizer component. Attackers with network access via MySQL Protocol could exploit this vulnerability, potentially leading to a complete denial-of-service (DOS) attack. The CVSS 3.1 Base Score for this vulnerability is 4.9 with high availability impact.
The Impact of CVE-2021-35577
Successful exploitation of this vulnerability could allow unauthorized individuals to cause the MySQL Server to hang or crash repeatedly, affecting its availability.
Technical Details of CVE-2021-35577
This section will dive into the technical details of the vulnerability, including the description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability in Oracle MySQL Server allows high privileged attackers with network access to compromise the server, potentially leading to a denial-of-service attack.
Affected Systems and Versions
MySQL Server versions 8.0.26 and prior are affected by this vulnerability.
Exploitation Mechanism
Attackers with network access through the MySQL Protocol can exploit this vulnerability to compromise the MySQL Server.
Mitigation and Prevention
Learn how to mitigate the risks posed by CVE-2021-35577 and prevent potential attacks.
Immediate Steps to Take
Update to the latest version of MySQL Server to patch the vulnerability. Additionally, restrict network access to the server to authorized individuals only.
Long-Term Security Practices
Regularly monitor security advisories and patches released by Oracle to stay informed about potential vulnerabilities and updates.
Patching and Updates
Apply security patches and updates provided by Oracle for MySQL Server to ensure that known vulnerabilities are addressed and mitigated effectively.