CVE-2019-2474 : Exploit Details and Defense Strategies

A vulnerability has been identified in the Oracle Outside In Technology component of Oracle Fusion Middleware, specifically in the Outside In Filters subcomponent. The affected versions are 8.5.3 and 8.5.4. This vulnerability can be easily exploited by an attacker without authentication, who has network access through HTTP, to compromise the Oracle Outside In Technology. If successfully exploited, this vulnerability can lead to unauthorized capability to cause a hang or repeated crashes, resulting in a complete denial of service (DOS) for the Oracle Outside In Technology. The severity and CVSS score depend on the software that utilizes the Outside In Technology code.

Understanding CVE-2019-2474

This section provides an overview of the CVE-2019-2474 vulnerability.

What is CVE-2019-2474?

CVE-2019-2474 is a vulnerability in the Oracle Outside In Technology component of Oracle Fusion Middleware, affecting versions 8.5.3 and 8.5.4. It allows an unauthenticated attacker with network access via HTTP to compromise the Oracle Outside In Technology, potentially leading to a denial of service.

The Impact of CVE-2019-2474

The vulnerability can result in unauthorized access to cause system hangs or repeated crashes, leading to a complete denial of service for the Oracle Outside In Technology. The CVSS 3.0 Base Score for this vulnerability is 7.5, with the primary impact being on availability.

Technical Details of CVE-2019-2474

This section delves into the technical aspects of CVE-2019-2474.

Vulnerability Description

The vulnerability in the Oracle Outside In Technology component allows an attacker to compromise the system, potentially causing a denial of service by triggering hangs or repeated crashes.

Affected Systems and Versions

Product: Outside In Technology
Vendor: Oracle Corporation
Affected Versions: 8.5.3, 8.5.4

Exploitation Mechanism

The vulnerability can be exploited by an unauthenticated attacker with network access via HTTP to compromise the Oracle Outside In Technology, leading to a denial of service.

Mitigation and Prevention

This section outlines steps to mitigate and prevent exploitation of CVE-2019-2474.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Restrict network access to vulnerable systems.
Monitor network traffic for signs of exploitation.

Long-Term Security Practices

Regularly update and patch software components.
Implement network segmentation to limit the impact of potential attacks.
Conduct regular security assessments and audits.

Patching and Updates

Oracle Corporation has released patches to address the vulnerability. Ensure that all affected systems are updated with the latest patches to mitigate the risk of exploitation.