CVE-2023-22118 : Security Advisory and Response

This CVE record concerns a vulnerability identified in the Oracle FLEXCUBE Universal Banking product of Oracle Financial Services Applications. The CVE-2023-22118 was published on October 17, 2023, and is assigned by Oracle.

Understanding CVE-2023-22118

The vulnerability in Oracle FLEXCUBE Universal Banking allows a low privileged attacker with network access via HTTP to compromise the system. Successful exploitation of this vulnerability requires human interaction and can lead to unauthorized access and partial denial of service.

What is CVE-2023-22118?

The CVE-2023-22118 is an easily exploitable vulnerability that impacts Oracle FLEXCUBE Universal Banking. It allows unauthorized access to data and the ability to cause a partial denial of service. The CVSS 3.1 Base Score for this vulnerability is 6.5, indicating medium severity.

The Impact of CVE-2023-22118

Successful attacks on CVE-2023-22118 could result in unauthorized update, insert, or delete access to Oracle FLEXCUBE Universal Banking data. Additionally, attackers can gain unauthorized read access to a subset of data and cause a partial denial of service, impacting the system's availability.

Technical Details of CVE-2023-22118

This section dives deeper into the vulnerability, its affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in Oracle FLEXCUBE Universal Banking allows a low privileged attacker to compromise the system via HTTP, leading to unauthorized data access and potential denial of service attacks.

Affected Systems and Versions

The versions of Oracle FLEXCUBE Universal Banking affected by CVE-2023-22118 include 12.3, 12.4, and custom versions 14.0-14.3 and 14.5-14.7.

Exploitation Mechanism

To exploit this vulnerability, attackers need network access via HTTP and human interaction from a person other than the attacker. The impact may extend to additional products beyond Oracle FLEXCUBE Universal Banking.

Mitigation and Prevention

Protecting systems from CVE-2023-22118 involves taking immediate steps, implementing long-term security practices, and ensuring the application of relevant patches and updates.

Immediate Steps to Take

Organizations should restrict network access, closely monitor HTTP activities, and educate users on potential social engineering attacks to mitigate the risk posed by CVE-2023-22118.

Long-Term Security Practices

Implementing strong access controls, conducting regular security assessments, and staying informed about emerging threats are crucial long-term security practices to prevent vulnerabilities like CVE-2023-22118.

Patching and Updates

Regularly updating and patching the Oracle FLEXCUBE Universal Banking software to the latest secure versions is essential for addressing CVE-2023-22118 and enhancing overall system security.