CVE-2020-28912 : Vulnerability Insights and Analysis

A vulnerability in MariaDB Server versions before 10.1.48, 10.2.x before 10.2.35, 10.3.x before 10.3.26, 10.4.x before 10.4.16, and 10.5.x before 10.5.7 allows an unprivileged user on Windows to intercept named pipe connections, acting as a man-in-the-middle and gaining unauthorized access.

Understanding CVE-2020-28912

This CVE highlights a security flaw in MariaDB Server that could lead to data interception and unauthorized SQL command execution.

What is CVE-2020-28912?

The vulnerability allows an unprivileged user to intercept named pipe connections on MariaDB Server running on Windows, potentially compromising data integrity and executing SQL commands.

The Impact of CVE-2020-28912

The vulnerability enables a man-in-the-middle attack, granting unauthorized access to data exchanged between the client and server, along with the ability to run SQL commands on behalf of the connected user.

Technical Details of CVE-2020-28912

The technical aspects of the vulnerability are as follows:

Vulnerability Description

Incorrect security descriptor in MariaDB Server

Affected Systems and Versions

MariaDB Server versions before 10.1.48, 10.2.x before 10.2.35, 10.3.x before 10.3.26, 10.4.x before 10.4.16, and 10.5.x before 10.5.7

Exploitation Mechanism

Unprivileged user intercepts named pipe connections on Windows

Mitigation and Prevention

To address CVE-2020-28912, consider the following steps:

Immediate Steps to Take

Upgrade MariaDB Server to versions 10.1.48, 10.2.35, 10.3.26, 10.4.16, or 10.5.7
Monitor named pipe connections for suspicious activities

Long-Term Security Practices

Implement least privilege access controls
Regularly review and update security configurations

Patching and Updates

Apply security patches provided by MariaDB to fix the vulnerability