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Security Bulletin: IBM MQ is vulnerable to a privilege escalation attack when using multiplexed channels (CVE-2018-1974)

Security Bulletin


Summary

IBM MQ could allow an authenticated attacker to escalate their privileges with channels that have multiplexing enabled.

Vulnerability Details

CVEID: CVE-2018-1974
DESCRIPTION: IBM MQ could allow an authenticated attacker to escalate their privileges when using multiplexed channels.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/153915 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

IBM MQ v8

  • Maintenance levels 8.0.0.0 - 8.0.0.10


IBM MQ v9 LTS

  • Maintenance levels 9.0.0.0 - 9.0.0.5


IBM MQ v9.1 CD

  • Maintenance levels 9.1.0 - 9.1.1


IBM MQ v9.1 LTS

  • Maintenance levels 9.1.0.0 - 9.1.0.1

Workarounds and Mitigations

Disable multiplexing on channels

Get Notified about Future Security Bulletins

References

Off

Change History

1 March 2019: Initial version released

*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.

Internal Use Only

Product Record: 126846

Advisory: 14163

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Document Information

Modified date:
08 March 2019

UID

ibm10792043