Security Bulletin: IBM MQ Console and REST API are vulnerable to a privilege escalation attack. (CVE-2019-4304)

Security Bulletin

Summary

IBM WebSphere Application Server Liberty profile, which is used to host the IBM MQ Console and REST API, could allow an attacker to bypass security and gain access to the MQ Console and REST API.

Vulnerability Details

CVEID: CVE-2019-4304
DESCRIPTION: IBM WebSphere Application Server - Liberty could allow a remote attacker to bypass security restrictions caused by improper session validation. IBM X-Force ID: 160950.
CVSS Base score: 6.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/160950 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM MQ Appliance	8.0
IBM MQ and IBM MQ Appliance	9.1 CD
IBM MQ and IBM MQ Appliance	9.1 LTS

Remediation/Fixes

IBM MQ Appliance v8

Apply FixPack 8.0.0.14

IBM MQ and IBM MQ Appliance V9.1 LTS
Apply FixPack 9.1.0.4

IBM MQ and IBM MQ Appliance V9.1 CD
Upgrade to IBM MQ 9.1.4

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

27 Feb 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

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

Document Location

Worldwide

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Tips

Security Bulletin: IBM MQ Console and REST API are vulnerable to a privilege escalation attack. (CVE-2019-4304)