IBM Support

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

Security Bulletin


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

Affected Product(s) Version(s)
IBM MQ 9.2 CD
IBM MQ 9.2 LTS
IBM MQ 9.1 
IBM MQ 9.0 
IBM MQ 8.0
IBM WebSphere MQ 7.5

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

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

This vulnerability was reported to IBM by Moritz Bechler

Change History

26 Jan 2020: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

[{"Business Unit":{"code":"BU004","label":"Hybrid Cloud"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Component":"Java","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF051","label":"Linux on IBM Z Systems"},{"code":"PF027","label":"Solaris"},{"code":"PF010","label":"HP-UX"},{"code":"PF012","label":"IBM i"},{"code":"PF033","label":"Windows"}],"Version":"7.5.0, 8.0.0, 9.0.0, 9.1.0, 9.2.0","Edition":"All"}]

Document Information

Modified date:
27 January 2021

UID

ibm16408626