CVE-2021-35658 : Security Advisory and Response

A vulnerability has been identified in the Oracle Outside In Technology product of Oracle Fusion Middleware, specifically affecting version 8.5.5. This vulnerability allows an unauthenticated attacker to compromise the technology via HTTP, potentially leading to a denial of service (DOS). Read on to understand the implications and how to address this issue.

Understanding CVE-2021-35658

This section delves into the details of the CVE-2021-35658 vulnerability, shedding light on its impact and implications.

What is CVE-2021-35658?

The vulnerability in Oracle Outside In Technology allows unauthorized access to potentially cause a DOS by compromising the technology through HTTP access. This issue has a CVSS Base Score of 7.5, indicating high availability impacts.

The Impact of CVE-2021-35658

Successful exploitation of this vulnerability can lead to a complete DOS of Oracle Outside In Technology, affecting its availability. The vulnerability is deemed easily exploitable and poses significant risks to affected systems.

Technical Details of CVE-2021-35658

In this section, we will explore the technical aspects of the CVE-2021-35658 vulnerability, including the description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Oracle Outside In Technology version 8.5.5 allows an unauthenticated attacker to compromise the technology via HTTP, potentially resulting in a complete DOS of the system.

Affected Systems and Versions

The affected version is 8.5.5 of Oracle Outside In Technology within the Oracle Fusion Middleware. Systems using this version are at risk of exploitation.

Exploitation Mechanism

The vulnerability can be exploited by an attacker with network access via HTTP, allowing them to compromise Oracle Outside In Technology and cause a DOS situation.

Mitigation and Prevention

This section outlines the steps to mitigate the risks associated with CVE-2021-35658 and prevent exploitation in the future.

Immediate Steps to Take

It is crucial to apply patches and updates provided by Oracle to address this vulnerability promptly. Additionally, monitoring network traffic for any suspicious activities is recommended.

Long-Term Security Practices

Implementing robust network security measures and access controls can help strengthen the overall security posture of the systems using Oracle Outside In Technology.

Patching and Updates

Regularly checking for security updates and patches from Oracle Corporation is essential to ensure that systems are protected against known vulnerabilities.