CVE-2019-4226 Explained : Impact and Mitigation

IBM Cloud Pak System versions 2.3 and 2.3.0.1 are vulnerable to a cross-site scripting (XSS) issue that allows attackers to inject arbitrary JavaScript code into the Web UI, potentially leading to credential exposure within trusted sessions.

Understanding CVE-2019-4226

This CVE involves a cross-site scripting vulnerability in IBM Cloud Pak System versions 2.3 and 2.3.0.1.

What is CVE-2019-4226?

Cross-site scripting vulnerability in IBM Cloud Pak System versions 2.3 and 2.3.0.1 allows the insertion of arbitrary JavaScript code into the Web UI, posing a risk of modifying system behavior and exposing credentials.

The Impact of CVE-2019-4226

The presence of this vulnerability can lead to potential credential exposure within trusted sessions, compromising the security of the system.

Technical Details of CVE-2019-4226

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability in IBM Cloud Pak System versions 2.3 and 2.3.0.1 enables users to insert arbitrary JavaScript code into the Web UI, altering the system's intended behavior.

Affected Systems and Versions

Product: Cloud Pak System
Vendor: IBM
Affected Versions: 2.3, 2.3.0.1

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Exploit Code Maturity: High
Scope: Changed
CVSS Base Score: 5.4 (Medium)
CVSS Temporal Score: 5.2 (Medium)

Mitigation and Prevention

Protecting systems from CVE-2019-4226 is crucial to maintaining security.

Immediate Steps to Take

Apply official fixes provided by IBM to address the vulnerability.
Monitor and restrict user interactions to prevent exploitation.

Long-Term Security Practices

Regularly update and patch the Cloud Pak System to mitigate known vulnerabilities.
Implement secure coding practices to prevent XSS vulnerabilities.

Patching and Updates

Stay informed about security bulletins and updates from IBM.