CVE-2019-2767 : Vulnerability Insights and Analysis

A vulnerability has been discovered in the BI Publisher component of Oracle Fusion Middleware, affecting versions 11.1.1.9.0, 12.2.1.3.0, and 12.2.1.4.0. This vulnerability allows an unauthenticated attacker with network access via HTTP to compromise BI Publisher, potentially leading to unauthorized data manipulation and access.

Understanding CVE-2019-2767

This CVE pertains to a security flaw in the BI Publisher component of Oracle Fusion Middleware, specifically in the BI Publisher Security subcomponent.

What is CVE-2019-2767?

CVE-2019-2767 is a vulnerability in BI Publisher that can be exploited by an attacker without authentication, provided they have network access via HTTP. The affected versions are 11.1.1.9.0, 12.2.1.3.0, and 12.2.1.4.0.

The Impact of CVE-2019-2767

Unauthorized manipulation (update, insert, or delete) of accessible data within BI Publisher
Unauthorized reading of a subset of accessible data
CVSS 3.0 Base Score of 7.2 with impacts on confidentiality and integrity

Technical Details of CVE-2019-2767

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows an unauthenticated attacker to compromise BI Publisher via network access, potentially impacting additional products.

Affected Systems and Versions

BI Publisher (formerly XML Publisher) versions 11.1.1.9.0, 12.2.1.3.0, and 12.2.1.4.0

Exploitation Mechanism

Attacker with network access via HTTP
Unauthorized update, insert, or delete access to BI Publisher data
Unauthorized read access to a subset of BI Publisher data

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Apply security patches provided by Oracle
Restrict network access to vulnerable systems
Monitor for any unauthorized access or activity

Long-Term Security Practices

Regularly update and patch software components
Implement network segmentation to limit exposure
Conduct security assessments and penetration testing

Patching and Updates

Oracle has released patches to address this vulnerability
Regularly check for updates and apply them promptly