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Security Bulletin: IBM MQ is vulnerable to a denial of service attack due to an error within the Data Conversion logic. (CVE-2020-4310)

Security Bulletin


Summary

An issue was found within the data conversion logic that could cause a SIGSEGV and denial of service.

Vulnerability Details

CVEID:   CVE-2020-4310
DESCRIPTION:   IBM MQ and MQ Appliance is vulnerable to a denial of service attack due to an error within the Data Conversion logic.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/177081 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 9.1 LTS
IBM MQ 9.0 LTS
IBM MQ 8.0
IBM MQ 9.1 CD
IBM WebSphere MQ 7.1
IBM WebSphere MQ 7.5

Remediation/Fixes

IBM WebSphere MQ V7.1
Contact IBM Support requesting a fix for APAR IT30605

IBM WepSphere MQ V7.5
Contact IBM Support requesting a fix for APAR IT30605

IBM MQ V8
Apply FixPack 8.0.0.15

IBM MQ V9 LTS
Apply FixPack 9.0.0.10

IBM MQ V9.1 LTS
Apply FixPack 9.1.0.5

IBM MQ aV9.1 CD
Apply FixPack 9.1.5

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

20 June 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":"a8m0z00000008JcAAI","label":"Components and Features->Data Conversion"}],"ARM Case Number":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF012","label":"IBM i"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"7.1.0;7.5.0;8.0.0;9.0.0;9.1.;9.1.0"}]

Document Information

Modified date:
12 June 2020

UID

ibm16223914