Security Bulletin: IBM MQ Invalid channel protocol flows cause denial of service on HP-UX (CVE-2016-8915)

Summary

An invalid TSH flow could result in the termination of any channels running on threads within the same responding MCA process on the HP-UX platform.

Vulnerability Details

CVEID: CVE-2016-8915**
DESCRIPTION:** For an authenticated user with access to the queue manager and queue, IBM MQ might allow that user to deny service to other channels running under the same process.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/118471 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 V7.1 (HP-UX platform)

IBM WebSphere MQ V7.1.0.7 and earlier maintenance levels.

IBM WebSphere MQ V7.5 (HP-UX platform)

IBM WebSphere MQ V7.5.0.7 and earlier maintenance levels.

IBM MQ V8.0 (HP-UX platform)

IBM MQ V8.0.0.5 and earlier maintenance levels.

IBM MQ V9.0 (HP-UX platform)

IBM MQ V9.0.0.0

Remediation/Fixes

IBM WebSphere MQ V7.1 (HP-UX platform)

Apply 7.1.0.8 or above maintenance level

IBM WebSphere MQ V7.5 (HP-UX platform)

Apply 7.5.0.8 maintenance level.

IBM MQ V8.0 (HP-UX platform)

Apply 8.0.0.6 maintenance level.

IBM MQ V9.0 (HP-UX platform)

Apply 9.0.0.1 maintenance level

Workarounds and Mitigations

None.