CVE-2020-4914 : Exploit Details and Defense Strategies

IBM Cloud Pak System Software Suite 2.3.3.0 through 2.3.3.5 does not invalidate session after logout, potentially allowing a local user to impersonate another user on the system.

Understanding CVE-2020-4914

This CVE involves a vulnerability in IBM Cloud Pak System Software Suite that could lead to session fixation.

What is CVE-2020-4914?

The vulnerability in IBM Cloud Pak System Software Suite allows a local user to impersonate another user on the system by not invalidating the session after logout.

The Impact of CVE-2020-4914

The impact of this vulnerability is that unauthorized users could potentially gain access to sensitive information or perform malicious actions on the system.

Technical Details of CVE-2020-4914

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability lies in the failure to invalidate sessions after logout in IBM Cloud Pak System Software Suite versions 2.3.3.0 through 2.3.3.5.

Affected Systems and Versions

Product: Cloud Pak System Software Suite
Vendor: IBM
Versions Affected: 2.3.3.0 through 2.3.3.5

Exploitation Mechanism

The vulnerability could be exploited by a local user to impersonate another user on the system due to the session not being invalidated after logout.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial to maintaining security.

Immediate Steps to Take

Update the IBM Cloud Pak System Software Suite to a patched version that addresses the session fixation issue.
Monitor user sessions and activities for any suspicious behavior.

Long-Term Security Practices

Implement multi-factor authentication to enhance user verification.
Regularly review and update security policies and procedures to address session management.

Patching and Updates

Ensure timely installation of security patches and updates provided by IBM to mitigate the vulnerability.