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Security Bulletin: IBM MQ is vulnerable to a deadlock in the IBM MQ PAM feature. (CVE-2018-1419)

Security Bulletin


Summary

Users of the IBM MQ PAM module feature can experience a deadlock causing further authentication attempts to fail resulting in a denial of service.

Vulnerability Details

CVEID: CVE-2018-1419
DESCRIPTION:
IBM MQ, when configured to use a PAM module for authentication, could allow a user to cause a deadlock in the IBM MQ PAM code which could result in a denial of service.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/138949 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM MQ v8.0

  • Maintenance level: 8.0.0.0 - 8.0.0.8

IBM MQ v9.0 LTS
  • Maintenance levels: 9.0.0.0 - 9.0.0.2

IBM MQ v9.0.x CD
  • IBM MQ version 9.0.1 - 9.0.4

Workarounds and Mitigations

IBM MQ v8.0


IBM MQ v9.0 LTS
IBM MQ v9.0.x CD

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References

Off

Change History

18 May 2018: Original version published

*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.

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Document Information

Modified date:
16 June 2018

UID

swg22014650