IBM Support

Security Bulletin: IBM MQ is vulnerable to a denial of service attack due to an error in the Channel processing function. (CVE-2019-4762)

Security Bulletin


Summary

An error was identified in the channel processing logic that means a remote attacker could execute a denial of service attack against a queue manager.

Vulnerability Details

CVEID:   CVE-2019-4762
DESCRIPTION:   IBM MQ is vulnerable to a denial of service attack due to an error in the Channel processing function.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/173625 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

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

Remediation/Fixes

IBM MQ 9.0 LTS

Apply Fix Pack 9.0.0.9

IBM MQ and IBM MQ Appliance 9.1 LTS

Apply Fix Pack 9.1.0.3

IBM MQ and IBM MQ Appliance 9.1 CD

Upgrade to IBM MQ 9.1.5

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

7 April 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":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"ARM Category":[{"code":"a8m0z00000008OYAAY","label":"Connectivity->Channels"}],"ARM Case Number":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF012","label":"IBM i"},{"code":"PF016","label":"Linux"},{"code":"PF051","label":"Linux on IBM Z Systems"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"9.0.0.0;9.0.0.1;9.0.0.2;9.0.0.3;9.0.0.4;9.0.0.5;9.0.0.6;9.0.0.7;9.0.0.8;9.1.0.0;9.1.0.2;9.1.1;9.1.2;9.1.3;9.1.4","Edition":""},{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SS5K6E","label":"IBM MQ Appliance"},"ARM Category":[{"code":"a8m0z00000008OYAAY","label":"Connectivity->Channels"}],"Platform":[{"code":"PF004","label":"Appliance"}],"Version":"9.1.0.0;9.1.0.1;9.1.0.2;9.1.1;9.1.2;9.1.3;9.1.4","Edition":""}]

Document Information

Modified date:
15 April 2020

UID

ibm14832931