CVE-2019-3790 : What You Need to Know

This CVE involves a vulnerability in Pivotal Ops Manager versions prior to 2.2.23, 2.3.16, 2.4.11, and 2.5.3 that allows a remote authenticated user to access expired browser sessions and resources within Ops Manager.

Understanding CVE-2019-3790

This CVE highlights a security issue in Pivotal Ops Manager that could potentially compromise the confidentiality and integrity of the system.

What is CVE-2019-3790?

The vulnerability in Pivotal Ops Manager versions prior to 2.2.23, 2.3.16, 2.4.11, and 2.5.3 allows remote authenticated users to bypass the expiration of refresh tokens, gaining unauthorized access to browser sessions and resources.

The Impact of CVE-2019-3790

The vulnerability poses a medium severity risk with a CVSS base score of 6.1, potentially leading to high confidentiality and integrity impacts on affected systems.

Technical Details of CVE-2019-3790

This section delves into the specifics of the vulnerability.

Vulnerability Description

The configuration in affected Pivotal Ops Manager versions allows for the issuance of tokens after the refresh token expiration, enabling unauthorized access to expired browser sessions.

Affected Systems and Versions

Pivotal Ops Manager versions 2.2.x prior to 2.2.23
Pivotal Ops Manager versions 2.3.x prior to 2.3.16
Pivotal Ops Manager versions 2.4.x prior to 2.4.11
Pivotal Ops Manager versions 2.5.x prior to 2.5.3

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: Required
Scope: Unchanged

Mitigation and Prevention

Protecting systems from CVE-2019-3790 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Pivotal Ops Manager to versions 2.2.23, 2.3.16, 2.4.11, or 2.5.3 to mitigate the vulnerability.
Monitor and revoke unauthorized access to browser sessions.

Long-Term Security Practices

Regularly review and update security configurations.
Implement multi-factor authentication to enhance access control.

Patching and Updates

Apply security patches and updates provided by Pivotal to address the vulnerability.