CVE-2023-21892 : Vulnerability Insights and Analysis

This article provides insight into CVE-2023-21892, including its description, impact, technical details, and mitigation strategies.

Understanding CVE-2023-21892

CVE-2023-21892 is a vulnerability found in the Oracle Business Intelligence Enterprise Edition product of Oracle Fusion Middleware, specifically affecting versions 5.9.0.0.0 and 6.4.0.0.0. It allows a low-privileged attacker with network access via HTTP to compromise the Oracle Business Intelligence Enterprise Edition.

What is CVE-2023-21892?

The vulnerability in Oracle Business Intelligence Enterprise Edition enables unauthorized update, insert, or delete access to some of the data accessible by Oracle Business Intelligence Enterprise Edition. It also allows unauthorized read access to a subset of data. Successful exploitation of this vulnerability requires human interaction from a person other than the attacker.

The Impact of CVE-2023-21892

Successful attacks leveraging CVE-2023-21892 can lead to unauthorized access and manipulation of data within Oracle Business Intelligence Enterprise Edition. While the primary impact is on this product, it may also affect additional products, amplifying the scope of potential security breaches. The Confidentiality and Integrity impacts are rated with a CVSS 3.1 Base Score of 5.4.

Technical Details of CVE-2023-21892

The vulnerability has a CVSS 3.1 Base Score of 5.4, with a vector string indicating a low attack complexity, low privileges required, user interaction, scope change, and low impacts on confidentiality and integrity.

Vulnerability Description

The vulnerability in Oracle Business Intelligence Enterprise Edition allows a low-privileged attacker to compromise the system via HTTP, potentially leading to unauthorized data access and manipulation.

Affected Systems and Versions

The impacted system is the Oracle Business Intelligence Enterprise Edition, specifically versions 5.9.0.0.0 and 6.4.0.0.0.

Exploitation Mechanism

Successful exploitation involves a low-privileged attacker with network access via HTTP and necessitates human interaction from a third party.

Mitigation and Prevention

To address CVE-2023-21892, immediate steps can be taken to secure systems and data while implementing long-term security practices.

Immediate Steps to Take

Immediately apply patches and updates provided by Oracle to mitigate the vulnerability. Additionally, restrict network access and user privileges to minimize the risk of exploitation.

Long-Term Security Practices

Regularly monitor for security updates and advisories from Oracle to stay informed about potential vulnerabilities. Conduct thorough security assessments and audits to identify and address any weaknesses proactively.

Patching and Updates

Ensure that all affected systems are promptly patched with the latest updates from Oracle to eliminate the vulnerability and enhance the security posture of Oracle Business Intelligence Enterprise Edition.