Security Bulletin: IBM MQ is vulnerable to a remote code execution vulnerability (CVE-2020-4682)

Summary

An issue was found within the IBM MQ Java and JMS client libraries that could allow an attacker to execute a remote code execution attack.

Vulnerability Details

CVEID:CVE-2020-4682
**DESCRIPTION:**IBM MQ could allow a remote attacker to execute arbitrary code on the system, caused by an unsafe deserialization of trusted data. An attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/186509 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

This issue is addressed by APAR IT33772

IBM WebSphere MQ 7.5

Apply interim fix for APAR IT33772

IBM MQ 8.0

Apply interim fix for APAR IT33772

IBM MQ 9.0 LTS

Apply fix pack 9.0.0.11

IBM MQ 9.1 LTS

Apply fix pack 9.1.0.7

IBM MQ 9.2 LTS

Apply fix pack 9.2.0.1

IBM MQ 9.2 CD

Upgrade to IBM MQ 9.2.1

Workarounds and Mitigations

None