CVE-2023-21904 : Exploit Details and Defense Strategies

This CVE-2023-21904 impacts Oracle Banking Virtual Account Management, posing a threat to critical data and unauthorized access due to a difficult-to-exploit vulnerability.

Understanding CVE-2023-21904

CVE-2023-21904 is a vulnerability in the Oracle Banking Virtual Account Management product of Oracle Financial Services Applications. This vulnerability affects versions 14.5, 14.6, and 14.7. It allows a high privileged attacker with network access via HTTP to compromise Oracle Banking Virtual Account Management.

What is CVE-2023-21904?

The vulnerability in Oracle Banking Virtual Account Management can lead to unauthorized access to critical data, complete access to all accessible data, unauthorized data manipulation, and the ability to cause partial denial of service. Successful exploitation requires human interaction from a person other than the attacker.

The Impact of CVE-2023-21904

Successful attacks of CVE-2023-21904 can result in unauthorized access to critical data, unauthorized manipulation of accessible data, and partial denial of service within Oracle Banking Virtual Account Management. The Confidentiality, Integrity, and Availability impacts are assessed at a CVSS 3.1 Base Score of 5.3.

Technical Details of CVE-2023-21904

This vulnerability has a CVSS 3.1 Base Score of 5.3 with a Medium severity level. The attack vector is through the network, with high complexity and privileges required. Human interaction is necessary for successful exploitation.

Vulnerability Description

The vulnerability allows a high privileged attacker to compromise Oracle Banking Virtual Account Management via network access, potentially leading to unauthorized access and data manipulation.

Affected Systems and Versions

Oracle Banking Virtual Account Management versions 14.5, 14.6, and 14.7 are affected by this vulnerability.

Exploitation Mechanism

Successful attacks require human interaction from a person other than the attacker and can grant unauthorized access to critical data and lead to data manipulation within the Oracle Banking Virtual Account Management system.

Mitigation and Prevention

To mitigate the risks posed by CVE-2023-21904, immediate steps and long-term security practices should be implemented.

Immediate Steps to Take

Apply security patches provided by Oracle to address the vulnerability.
Ensure only authorized personnel have access to critical systems.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Conduct regular security audits and assessments.
Educate employees on cybersecurity best practices.
Implement strong access control measures.

Patching and Updates

Regularly update and patch the Oracle Banking Virtual Account Management system to ensure that the latest security fixes are applied to mitigate vulnerabilities and enhance the system's security posture.