CVE-2019-4494 : Exploit Details and Defense Strategies

IBM Jazz Reporting Service (JRS) versions 6.0 to 6.0.6.1 are susceptible to a cross-site scripting vulnerability that allows unauthorized JavaScript code injection, potentially compromising the Web UI's functionality and exposing credentials.

Understanding CVE-2019-4494

This CVE involves a security flaw in IBM Jazz Reporting Service that enables the insertion of malicious JavaScript code into the Web UI.

What is CVE-2019-4494?

The cross-site scripting vulnerability affects versions 6.0 to 6.0.6.1 of IBM Jazz Reporting Service, allowing users to inject unauthorized JavaScript code into the Web UI.

The Impact of CVE-2019-4494

Attack Complexity: Low
Attack Vector: Network
Base Score: 5.4 (Medium)
Exploit Code Maturity: High
User Interaction: Required
Confidentiality Impact: Low
Integrity Impact: Low
Availability Impact: None
Scope: Changed
Temporal Score: 5.2 (Medium)

Technical Details of CVE-2019-4494

Vulnerability Description

The vulnerability enables users to insert unauthorized JavaScript code into the Web UI, potentially modifying its intended functionality and exposing credentials.

Affected Systems and Versions

Product: Jazz Reporting Service
Vendor: IBM
Affected Versions: 6.0.2, 6.0.3, 6.0.4, 6.0.5, 6.0.6, 6.0.6.1

Exploitation Mechanism

The flaw allows attackers to embed arbitrary JavaScript code in the Web UI, potentially leading to credentials disclosure within a trusted session.

Mitigation and Prevention

Immediate Steps to Take

Apply official fixes provided by IBM to address the vulnerability.
Monitor for any unauthorized access or unusual activities on the affected systems.

Long-Term Security Practices

Regularly update and patch the IBM Jazz Reporting Service to prevent security vulnerabilities.

Patching and Updates

Ensure that all systems running the affected versions of IBM Jazz Reporting Service are updated with the latest security patches.