CVE-2021-2045 : What You Need to Know

A vulnerability has been identified in the Oracle Text component of Oracle Database Server, affecting versions 12.1.0.2, 12.2.0.1, 18c, and 19c. This vulnerability, with a CVSS 3.1 Base Score of 3.1, allows a low-privileged attacker to compromise Oracle Text through Oracle Net.

Understanding CVE-2021-2045

This section will delve into the specifics of CVE-2021-2045.

What is CVE-2021-2045?

The vulnerability in the Oracle Text component of Oracle Database Server allows unauthorized attackers to disrupt Oracle Text, leading to a partial denial of service.

The Impact of CVE-2021-2045

Successful exploitation of this vulnerability can result in unauthorized manipulation of Oracle Text, potentially causing partial denial of service.

Technical Details of CVE-2021-2045

Let's explore the technical details of CVE-2021-2045 in this section.

Vulnerability Description

The vulnerability in Oracle Text allows attackers with Create Session privilege and network access via Oracle Net to disrupt Oracle Text.

Affected Systems and Versions

This vulnerability impacts Oracle Database Server versions 12.1.0.2, 12.2.0.1, 18c, and 19c.

Exploitation Mechanism

Attackers with low privileges and network access via Oracle Net can exploit this vulnerability to compromise Oracle Text.

Mitigation and Prevention

In this section, we will explore ways to mitigate and prevent potential exploits of CVE-2021-2045.

Immediate Steps to Take

Organizations should restrict network access and privileges to mitigate the risk of exploitation. Monitoring Oracle Text for unusual activity is also recommended.

Long-Term Security Practices

Regularly patching and updating Oracle Database Server is essential for ensuring protection against known vulnerabilities.

Patching and Updates

Oracle periodically releases security updates and patches to address vulnerabilities. Stay informed about the latest patches and apply them promptly to safeguard your system.