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

IBM MQ V7.5

Apply interim fix for APAR IT15943

IBM MQ V8.0

Apply Fix Pack 8.0.0.8

IBM MQ V9 LTS

Apply Fix Pack 9.0.0.2

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support alerts like this.

References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

[{"Product":{"code":"SSYHRD","label":"IBM MQ"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":"ABEND \/ FDC","Platform":[{"code":"PF010","label":"HP-UX"},{"code":"PF027","label":"Solaris"}],"Version":"9.0.0.1;9.0;8.0.0.7;8.0.0.6;8.0.0.5;8.0.0.4;8.0.0.3;8.0.0.2;8.0.0.1;8.0;7.5.0.8;7.5.0.7;7.5.0.6;7.5.0.5;7.5.0.4;7.5.0.3;7.5.0.2;7.5.0.1;7.5","Edition":"All Editions","Line of Business":{"code":"LOB45","label":"Automation"}}]

Tips

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)