CVE-2019-12121 Explained : Impact and Mitigation

A vulnerability has been discovered in the ONAP Portal starting from the Dublin version, allowing unauthorized decryption of data through a padding oracle attack.

Understanding CVE-2019-12121

This CVE identifies a security flaw in the ONAP Portal that can be exploited to decrypt encrypted data.

What is CVE-2019-12121?

This vulnerability in the ONAP Portal enables an attacker to decrypt data using a padding oracle attack on the UserId field of the ONAPPORTAL/processSingleSignOn module.

The Impact of CVE-2019-12121

The vulnerability affects all configurations of the ONAP Portal, potentially leading to unauthorized access to sensitive information.

Technical Details of CVE-2019-12121

The technical aspects of the vulnerability are as follows:

Vulnerability Description

An issue in the ONAP Portal allows attackers to decrypt data by exploiting a padding oracle attack on the UserId field.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All configurations starting from the Dublin version

Exploitation Mechanism

The vulnerability can be exploited through a padding oracle attack on the UserId field of the ONAPPORTAL/processSingleSignOn module.

Mitigation and Prevention

To address CVE-2019-12121, consider the following steps:

Immediate Steps to Take

Implement access controls and encryption best practices
Monitor and log access to sensitive data

Long-Term Security Practices

Regularly update and patch the ONAP Portal
Conduct security assessments and penetration testing

Patching and Updates

Apply patches and updates provided by ONAP to mitigate the vulnerability.