Security Bulletin: IBM MQ and IBM WebSphere MQ Trace enablement could cause denial of service (CVE-2017-1117)

Security Bulletin

Summary

IBM MQ could allow an authenticated user to cause a denial of service to the MQXR channel when trace is enabled.

Vulnerability Details

CVEID: CVE-2017-1117
DESCRIPTION: IBM WebSphere MQ could allow an authenticated user to cause a denial of service to the MQXR channel when trace is enabled.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/121155 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM WebSphere MQ V7.5

IBM WebSphere MQ 7.5.0.0 - 7.5.0.7 maintenance levels

IBM MQ V8.0
IBM MQ 8.0.0.0 - 8.0.0.5 maintenance levels
IBM MQ V9 CD
IBM MQ 9.0.1 only

IBM MQ V9 LTS

IBM MQ 9.0.0.0 only

Remediation/Fixes

IBM WebSphere MQ V7.5

Apply 7.5.0.8 maintenance level

IBM MQ V8.0

Apply 8.0.0.6 maintenance level
IBM MQ V9 CD
Upgrade to 9.0.2

IBM MQ V9 LTS

Apply Fix Pack 9.0.0.1

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Important Note

IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.

References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

5 July 2017: Added 7.5 fix details
06 June 2017: Initial version Published
19 June 2017: Updated with details of 9.0.0.1 fix

*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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Tips

Security Bulletin: IBM MQ and IBM WebSphere MQ Trace enablement could cause denial of service (CVE-2017-1117)