CVE-2021-2381 Explained : Impact and Mitigation

This article provides insights into CVE-2021-2381, a vulnerability in the Oracle Solaris Operating System that could lead to unauthorized data access and a partial denial of service, affecting Version 11.

Understanding CVE-2021-2381

CVE-2021-2381 is a vulnerability within the Oracle Solaris Operating System, specifically in the Kernel component. It has a low CVSS Base Score of 3.9, impacting Integrity and Availability. The vulnerability allows a low-privileged attacker to compromise Oracle Solaris, potentially leading to unauthorized data access and partial denial of service.

What is CVE-2021-2381?

The vulnerability in Oracle Solaris Version 11 allows a low-privileged attacker with login access to execute unauthorized actions, compromising the system's data and potentially causing a partial denial of service.

The Impact of CVE-2021-2381

Successful exploitation of CVE-2021-2381 can result in unauthorized data manipulation within Oracle Solaris, leading to potential data breaches and partial denial of service attacks.

Technical Details of CVE-2021-2381

CVE-2021-2381 is a low-impact vulnerability that requires local access and human interaction to be exploited. The CVSS Vector illustrates the attack complexity and required user interaction.

Vulnerability Description

The vulnerability in Oracle Solaris Version 11 permits a low-privileged attacker to compromise the system and execute unauthorized actions, potentially causing partial denial of service.

Affected Systems and Versions

Only Oracle Solaris Operating System Version 11 is affected by CVE-2021-2381, making it crucial for users of this version to take immediate action.

Exploitation Mechanism

Successful exploitation of this vulnerability depends on a low-privileged attacker with login credentials, allowing them to manipulate data and partially deny service.

Mitigation and Prevention

To safeguard against CVE-2021-2381, immediate actions and long-term security practices need implementation along with timely patching and updates.

Immediate Steps to Take

Users of Oracle Solaris Version 11 should restrict access, monitor for unusual activities, and implement recommended security measures promptly.

Long-Term Security Practices

Ensuring proper user access controls, regular security audits, and employee training on cybersecurity best practices are essential for long-term defense.

Patching and Updates

Regularly updating Oracle Solaris and promptly applying patches provided by Oracle are essential for mitigating the risk posed by this vulnerability.