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

Security Bulletin


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 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


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

Apply fix pack

IBM MQ v9.0.0.0 LTS to v9.0.0.1 LTS

Apply fix pack

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

Apply IBM MQ 9.0.4

Workarounds and Mitigations


Get Notified about Future Security Bulletins



Change History

22 Dec 2017 - Original Published

*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.


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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Document Information

Modified date:
15 June 2018