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Security Bulletin: IBM MQ is vulnerable to an issue in Eclipse Jetty (CVE-2021-28165)

Security Bulletin


Summary

An issue was identified in Eclipse Jetty that affects IBM MQ. Eclipse Jetty is used within the MQ Explorer, MQ Salesforce Bridge and MQ Blockchain Bridge components.

Vulnerability Details

CVEID:   CVE-2021-28165
DESCRIPTION:   Eclipse Jetty is vulnerable to a denial of service, caused by improper input valistion. By sending a specially-crafted TLS frame, a remote attacker could exploit this vulnerability to cause CPU resources to reach to 100% usage.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/199305 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

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

Remediation/Fixes

This issue was resolved under APAR IT37719

IBM MQ version 9.2 LTS

Apply FixPack 9.2.0.3

IBM MQ version 9.1 CD and 9.2 CD

Upgrade to IBM MQ 9.2.3

IBM MQ version 9.1 LTS

Apply FixPack 9.1.0.9

IBM MQ version 9.0 LTS

Apply FixPack 9.0.0.12

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

05 Nov 2021: 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":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Component":"Explorer, Salesforce Bridge, Blockchain Bridge","Platform":[{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"}],"Version":"9.0.0, 9.1.0, 9.2.0","Edition":"All","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
15 November 2021

UID

ibm16516422