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Security Bulletin: IBM MQ Appliance could allow a local attacker to bypass security restrictions (CVE-2019-4620)

Security Bulletin


Summary

IBM MQ Appliance has addressed the following security restrictions bypass vulnerability.

Vulnerability Details

CVEID:   CVE-2019-4620
DESCRIPTION:   IBM MQ Appliance could allow a local attacker to bypass security restrictions caused by improper validation of environment variables.
CVSS Base score: 8.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/168863 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

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

Remediation/Fixes

IBM MQ Appliance 8
Apply fix pack 8.0.0.14, or later. 
IBM MQ Appliance version 9.1 LTS
Apply fix pack 9.1.0.4, or later.
IBM MQ Appliance version 9.1 CD
Apply continuous delivery release 9.1.4, or later.

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

06 Jan 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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Document Information

Modified date:
23 January 2020

UID

ibm11125891

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