CVE-2020-4375 : What You Need to Know

IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS could allow an attacker to cause a denial of service due to a memory leak caused by an error creating a dynamic queue. This CVE has a CVSS base score of 5.9.

Understanding CVE-2020-4375

This CVE affects IBM MQ Appliance versions 8.0, 9.1 LTS, and 9.1 CD.

What is CVE-2020-4375?

CVE-2020-4375 is a vulnerability in IBM products that could be exploited by an attacker to trigger a denial of service by exploiting a memory leak issue.

The Impact of CVE-2020-4375

The vulnerability could lead to a denial of service attack, impacting the availability of the affected systems.

Technical Details of CVE-2020-4375

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in IBM MQ products allows attackers to exploit a memory leak issue when creating a dynamic queue, leading to a denial of service.

Affected Systems and Versions

Product: MQ Appliance
Vendor: IBM
Affected Versions: 8.0, 9.1 LTS, 9.1 CD

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Availability Impact: High
Privileges Required: None
Exploit Code Maturity: Unproven

Mitigation and Prevention

Protecting systems from CVE-2020-4375 is crucial to prevent potential attacks.

Immediate Steps to Take

Apply official fixes provided by IBM to address the vulnerability.
Monitor IBM's security bulletins for updates and patches.

Long-Term Security Practices

Regularly update and patch IBM MQ products to mitigate known vulnerabilities.
Implement network security measures to prevent unauthorized access.

Patching and Updates

Stay informed about security updates and patches released by IBM.