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Security Bulletin: IBM MQ Appliance is affected by an MIT Kerberos 5 vulnerability (CVE-2017-11462)

Security Bulletin


Summary

IBM MQ Appliance has addressed the following MIT Kerberos 5 (aka krb5) vulnerability.

Vulnerability Details

CVEID:   CVE-2017-11462
DESCRIPTION:   Double free vulnerability in MIT Kerberos 5 (aka krb5) allows attackers to have unspecified impact via vectors involving automatic deletion of security contexts on error.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/132060 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

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

ibm11135023

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