CVE-2019-4619 : Exploit Details and Defense Strategies

IBM MQ and IBM MQ Appliance versions 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD are affected by a vulnerability that could allow a local attacker to access sensitive information through trace data inclusion.

Understanding CVE-2019-4619

This CVE involves IBM MQ and IBM MQ Appliance versions being susceptible to a security flaw that could be exploited by a local attacker.

What is CVE-2019-4619?

CVE-2019-4619 is a vulnerability in IBM MQ and IBM MQ Appliance versions 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD that enables a local attacker to potentially obtain sensitive information by including such data within trace.

The Impact of CVE-2019-4619

The vulnerability poses a medium severity risk with a CVSS base score of 5.1. It has a high impact on confidentiality, with the potential for a local attacker to access sensitive information.

Technical Details of CVE-2019-4619

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in IBM MQ and IBM MQ Appliance versions allows a local attacker to gain access to sensitive information through the inclusion of such data within trace.

Affected Systems and Versions

IBM MQ 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD
Specific affected versions listed in the data provided

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Local
Confidentiality Impact: High
Privileges Required: None
Exploit Code Maturity: Unproven
Remediation Level: Official Fix
User Interaction: None

Mitigation and Prevention

Protecting systems from CVE-2019-4619 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply official fixes provided by IBM
Monitor and restrict access to sensitive information
Review and adjust trace data settings

Long-Term Security Practices

Regularly update and patch IBM MQ and IBM MQ Appliance
Implement least privilege access controls
Conduct security training for personnel

Patching and Updates

Ensure all affected versions are updated with the latest patches
Stay informed about security bulletins and updates from IBM