CVE-2019-4762 : Vulnerability Insights and Analysis

IBM MQ 9.0 and 9.1 are vulnerable to a denial of service attack due to an error in the Channel processing function. This vulnerability, identified by IBM X-Force with ID 173625, was published on April 15, 2020.

Understanding CVE-2019-4762

An error in the Channel processing function of IBM MQ 9.0 and 9.1 has made it susceptible to a denial of service attack, posing a risk to its security.

What is CVE-2019-4762?

CVE-2019-4762 is a vulnerability in IBM MQ 9.0 and 9.1 that allows attackers to launch denial of service attacks.

The Impact of CVE-2019-4762

CVSS Base Score: 5.9 (Medium Severity)
Attack Vector: Network
Attack Complexity: High
Availability Impact: High
Exploit Code Maturity: Unproven
Vector String: CVSS:3.0/A:H/PR:N/UI:N/S:U/C:N/AV:N/AC:H/I:N/RL:O/E:U/RC:C

Technical Details of CVE-2019-4762

IBM MQ 9.0 and 9.1 are affected by this vulnerability.

Vulnerability Description

The vulnerability lies in the Channel processing function of IBM MQ 9.0 and 9.1, allowing for a denial of service attack.

Affected Systems and Versions

The following versions of IBM MQ are affected:

9.0.0.0 to 9.0.0.8
9.1.0.0 to 9.1.4

Exploitation Mechanism

Attackers can exploit this vulnerability to launch denial of service attacks on systems running the affected versions of IBM MQ.

Mitigation and Prevention

To address CVE-2019-4762, consider the following steps:

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update and patch IBM MQ to prevent security vulnerabilities.
Implement network security measures to detect and block denial of service attacks.

Patching and Updates

Stay informed about security updates and patches released by IBM for IBM MQ.