CVE-2021-2147 : Vulnerability Insights and Analysis

This CVE-2021-2147 pertains to a vulnerability found in the Oracle ZFS Storage Appliance Kit of Oracle Systems, specifically affecting version 8.8. The vulnerability allows a high privileged attacker, already logged into the infrastructure, to compromise the Oracle ZFS Storage Appliance Kit. To exploit this vulnerability successfully, human interaction from another person is required. Unauthorized access may lead to the manipulation of Oracle ZFS Storage Appliance Kit's data.

Understanding CVE-2021-2147

This section delves deeper into the impact, technical details, and mitigation methods related to CVE-2021-2147.

What is CVE-2021-2147?

CVE-2021-2147 is a vulnerability within the Oracle ZFS Storage Appliance Kit version 8.8. It poses a threat by allowing a high privileged attacker to compromise the system with minimal complexity, with unauthorized data manipulation potential.

The Impact of CVE-2021-2147

The vulnerability's impact is rated with a CVSS 3.1 Base Score of 1.8, highlighting low severity. While attacks are deemed low in complexity, they could result in unauthorized data modifications.

Technical Details of CVE-2021-2147

Here we discuss the vulnerability description, affected systems, and how exploitation can occur.

Vulnerability Description

The vulnerability in Oracle ZFS Storage Appliance Kit version 8.8 allows unauthorized access, leading to potential compromise and data manipulation by a high privileged attacker with system logon credentials.

Affected Systems and Versions

Only version 8.8 of the Oracle ZFS Storage Appliance Kit software is impacted by this vulnerability, leaving systems with this specific version at risk.

Exploitation Mechanism

For successful exploitation, the attacker needs high privileges and system logon access. Human interaction from an unsuspecting person further facilitates the attack, potentially granting unauthorized data access.

Mitigation and Prevention

To safeguard against CVE-2021-2147, follow these security measures.

Immediate Steps to Take

Review and restrict high-privileged access to the Oracle ZFS Storage Appliance Kit. Implement additional authentication layers to prevent unauthorized logon attempts.

Long-Term Security Practices

Regularly update and patch the Oracle ZFS Storage Appliance Kit software to eliminate vulnerabilities. Conduct security awareness training to educate users on identifying and preventing social engineering attacks.

Patching and Updates

Stay informed about security alerts and patches released by Oracle Corporation. Applying these patches promptly can prevent potential exploitation of known vulnerabilities.