CVE-2018-1371 Explained : Impact and Mitigation

A possible issue has been identified in versions 8.0.0.8, 9.0.0.2, and 9.0.4 of IBM WebSphere MQ, leading to a SIGSEGV error in the AMQRMPPA channel process.

Understanding CVE-2018-1371

This CVE involves a Denial of Service vulnerability in IBM WebSphere MQ versions 8.0.0.8, 9.0.0.2, and 9.0.4.

What is CVE-2018-1371?

CVE-2018-1371 is a vulnerability in IBM WebSphere MQ that can result in a SIGSEGV error in the AMQRMPPA channel process when an IBM WebSphere MQ Client connects to an MQ Queue Manager.

The Impact of CVE-2018-1371

The vulnerability can lead to termination of the channel process, causing a Denial of Service condition for affected systems.

Technical Details of CVE-2018-1371

This section provides more technical insights into the vulnerability.

Vulnerability Description

When an IBM WebSphere MQ Client connects to an MQ Queue Manager, it triggers a SIGSEGV error in the AMQRMPPA channel process, potentially leading to service termination.

Affected Systems and Versions

Product: IBM WebSphere MQ
Versions Affected: 8.0.0.8, 9.0.0.2, 9.0.4

Exploitation Mechanism

The vulnerability is exploited when an IBM WebSphere MQ Client establishes a connection with an MQ Queue Manager, causing the AMQRMPPA channel process to encounter a SIGSEGV error.

Mitigation and Prevention

To address CVE-2018-1371, follow these mitigation and prevention strategies.

Immediate Steps to Take

Apply the necessary patches provided by IBM to fix the vulnerability.
Monitor IBM's security advisories for updates and guidance on remediation.

Long-Term Security Practices

Regularly update and patch IBM WebSphere MQ installations to prevent known vulnerabilities.
Implement network segmentation and access controls to limit exposure to potential threats.

Patching and Updates

Install the latest patches and updates released by IBM for WebSphere MQ to address CVE-2018-1371.