CVE-2020-15180 : What You Need to Know

A flaw in the mysql-wsrep component of MariaDB allows for command injection, posing a threat to system security.

Understanding CVE-2020-15180

This CVE identifies a vulnerability in MariaDB that could be exploited by a remote attacker to execute arbitrary commands on Galera cluster nodes.

What is CVE-2020-15180?

The vulnerability arises from a lack of input sanitization in the

wsrep_sst_method

of MariaDB.
Attackers can leverage this flaw to compromise the confidentiality, integrity, and availability of the system.

The Impact of CVE-2020-15180

Remote attackers can execute arbitrary commands on Galera cluster nodes, potentially leading to unauthorized access and data manipulation.

Technical Details of CVE-2020-15180

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The flaw in the

wsrep_sst_method

component of MariaDB allows for command injection, enabling remote attackers to execute malicious commands.

Affected Systems and Versions

MariaDB versions before 10.1.47, 10.2.34, 10.3.25, 10.4.15, and 10.5.6 are vulnerable to this exploit.

Exploitation Mechanism

Attackers can exploit the lack of input sanitization in

wsrep_sst_method

to inject and execute unauthorized commands on Galera cluster nodes.

Mitigation and Prevention

Protecting systems from CVE-2020-15180 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update MariaDB to versions 10.1.47, 10.2.34, 10.3.25, 10.4.15, or 10.5.6 to mitigate the vulnerability.
Implement network segmentation to restrict access to critical systems.
Monitor and analyze network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security audits and penetration testing to identify and remediate weaknesses.

Patching and Updates

Stay informed about security advisories and patches released by MariaDB to address vulnerabilities like CVE-2020-15180.