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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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Document Information

Modified date:
19 August 2022

UID

swg22014650