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Security Bulletin: IBM MQ could allow an authenticated user to insert messages with malformed data into the channel, which would cause it to restart. (CVE-2017-1433)

Security Bulletin


Summary

Malformed header data in an MQ message could trigger a server-connection channel process to terminate, which might deny service to other connected clients using the same channel process.

Vulnerability Details

CVEID: CVE-2017-1433
DESCRIPTION:
IBM MQ could allow an authenticated user to insert messages with a corrupt header into the channel, which would cause it to restart.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/127803 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 V7.5

  • Maintenance levels 7.5.0.0 - 7.5.0.8

IBM MQ V8.0
  • Maintenance levels 8.0.0.0 - 8.0.0.7

IBM MQ V9 LTS
  • Maintenance levels 9.0.0.0 - 9.0.0.1

Remediation/Fixes

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Complete CVSS v3 Guide
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

08 December 2017: Updated to list HP-UX as an affected platform.
07 December 2017: Updated with details of all affected versions.
16 Oct 2017: Intitial Version.

*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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document information

More support for: IBM MQ
ABEND / FDC

Software version: 7.5, 7.5.0.1, 7.5.0.2, 7.5.0.3, 7.5.0.4, 7.5.0.5, 7.5.0.6, 7.5.0.7, 7.5.0.8, 8.0, 8.0.0.1, 8.0.0.2, 8.0.0.3, 8.0.0.4, 8.0.0.5, 8.0.0.6, 8.0.0.7, 9.0, 9.0.0.1

Operating system(s): HP-UX, Solaris

Software edition: All Editions

Reference #: 2005525

Modified date: 07 December 2017