Security Bulletin: CP4D Match 360 is impacted due to vulnerability in IBM WebSphere Application Server Liberty spoofing due to Eclipse Paho (CVE-2019-11777)

Summary

There is a vulnerability in the Eclipse Paho library used by IBM WebSphere Application Server Liberty with the rtcomm-1.0 or rtcommGateway-1.0 feature enabled. Provided that IBM Match 360 uses WebSphere Liberty Profile, this vulnerability has been addressed in IBM Match 360 v4.5.2 and prior.

Vulnerability Details

CVEID:CVE-2019-11777
**DESCRIPTION:**Eclipse Paho Java client could allow a remote attacker to bypass security restrictions, caused by the failure to check the result when connecting to an MQTT server using TLS and setting a host name verifier. By sending a specially-crafted request, an attacker could exploit this vulnerability to allow one MQTT server to impersonate another and provide the client library with incorrect information.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/167068 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

Affected Products and Versions

Remediation/Fixes

<https://www.ibm.com/support/pages/node/6602039&gt;

Workarounds and Mitigations

None