CVE-2023-21975 : What You Need to Know

This CVE-2023-21975 article provides an overview of a critical vulnerability identified in the Application Express Customers Plugin of Oracle Application Express, impacting versions 18.2 to 22.2.

Understanding CVE-2023-21975

The CVE-2023-21975 vulnerability involves a situation where a low privileged attacker, with network access via HTTP, can compromise the Application Express Customers Plugin within Oracle Application Express. Successful exploitation requires human interaction from someone other than the attacker, potentially impacting additional products. The severity of successful attacks can lead to the takeover of the Application Express Customers Plugin.

What is CVE-2023-21975?

The vulnerability in the Application Express Customers Plugin product of Oracle Application Express affects versions 18.2 to 22.2. It is an easily exploitable vulnerability that can allow a low privileged attacker to compromise the plugin, potentially resulting in a complete takeover.

The Impact of CVE-2023-21975

The impact of CVE-2023-21975 is significant, with a CVSS 3.1 Base Score of 9.0, indicating high impacts on confidentiality, integrity, and availability. Successful exploitation of this vulnerability can lead to severe consequences for the affected system.

Technical Details of CVE-2023-21975

In this section, we will delve into the technical aspects of the CVE-2023-21975 vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in the Application Express Customers Plugin of Oracle Application Express allows a low privileged attacker to compromise the plugin, potentially leading to a complete takeover. It requires network access via HTTP and human interaction, with significant impacts on various products.

Affected Systems and Versions

The CVE-2023-21975 vulnerability affects Oracle Application Express versions 18.2 to 22.2, specifically impacting the Application Express Customers Plugin.

Exploitation Mechanism

Successful exploitation of CVE-2023-21975 requires a low privileged attacker with network access via HTTP. Human interaction from a different individual than the attacker is necessary for the exploitation to be successful, potentially resulting in the compromise of the Application Express Customers Plugin.

Mitigation and Prevention

Mitigating the risks associated with CVE-2023-21975 involves taking immediate steps, implementing long-term security practices, and ensuring timely patching and updates.

Immediate Steps to Take

Organizations should promptly review and apply relevant security patches provided by Oracle to address the vulnerability.
Restricting network access to the vulnerable component can help reduce the exposure to potential attacks.

Long-Term Security Practices

Conducting regular security assessments and vulnerability scans can help identify and address security weaknesses proactively.
Implementing least privilege access controls and monitoring user interactions can enhance overall system security.

Patching and Updates

It is imperative for organizations to stay informed about security advisories released by Oracle and apply patches promptly to mitigate the risk posed by CVE-2023-21975.
Keeping all software and systems up to date with the latest security patches and updates is crucial in maintaining a secure environment.