Security Bulletin: IBM MQ is affected by a potential denial of service to channel processes (CVE-2017-1557)

Summary

An IBM MQ application with authority to connect to a remote queue manager could send a malicious request that could cause undefined behaviour within the channel process servicing that connection, including a loss of service for other connections being serviced by the same channel process.

Vulnerability Details

CVEID: CVE-2017-1557 DESCRIPTION: IBM MQ could allow an authenticated user with authority to send a specially crafted request that could cause a channel process to cease processing further requests.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/131547 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM MQ and IBM MQ Appliance v8.0.0.0 to v8.0.0.7

IBM MQ v9.0.0.0 LTS to v9.0.0.1 LTS

IBM MQ and IBM MQ Appliance v9.0.1 CD to v9.0.3 CD

Remediation/Fixes

_IBM MQ and IBM MQ Appliance _****v8.0.0.0 to v8.0.0.7

Apply fix pack 8.0.0.8

IBM MQ v9.0.0.0 LTS to v9.0.0.1 LTS

Apply fix pack 9.0.0.2

IBM MQ and IBM MQ Appliance v9.0.1 CD to v9.0.3 CD

Apply IBM MQ 9.0.4

Workarounds and Mitigations

None