CVE-2017-1118 : Security Advisory and Response

IBM WebSphere MQ Internet Pass-Thru versions 2.0 and 2.1 have a vulnerability that could lead to a denial of service attack.

Understanding CVE-2017-1118

This CVE involves a security policy misconfiguration in IBM WebSphere MQ Internet Pass-Thru versions 2.0 and 2.1, potentially allowing attackers to disrupt MQIPT's responsiveness.

What is CVE-2017-1118?

The incorrect configuration of a security policy in IBM WebSphere MQ Internet Pass-Thru versions 2.0 and 2.1 may result in a halt of MQIPT's responsiveness, presenting an opportunity for an attacker to exploit. This vulnerability has been identified by IBM X-Force as ID 121156.

The Impact of CVE-2017-1118

The vulnerability could lead to a denial of service (DoS) attack on affected systems.

Technical Details of CVE-2017-1118

This section provides more technical insights into the vulnerability.

Vulnerability Description

IBM WebSphere MQ Internet Pass-Thru 2.0 and 2.1 could allow an attacker to cause the MQIPT to stop responding due to an incorrectly configured security policy. IBM X-Force ID: 121156.

Affected Systems and Versions

Product: WebSphere MQ
Vendor: IBM
Affected Versions: 2.0, 2.1

Exploitation Mechanism

The vulnerability arises from a misconfiguration in the security policy of the affected versions, enabling attackers to disrupt MQIPT's normal operations.

Mitigation and Prevention

To address CVE-2017-1118, follow these mitigation strategies:

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Review and adjust security policies to prevent unauthorized disruptions.

Long-Term Security Practices

Regularly monitor and audit security configurations.
Implement network segmentation to limit the impact of potential attacks.
Educate staff on security best practices to enhance overall resilience.

Patching and Updates

Stay informed about security advisories from IBM and apply patches as soon as they are available.