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Security Bulletin: IBM MQ Channel data conversion denial of service (CVE-2016-3013)

Security Bulletin


Summary

When an Message Channel Agent removes a large message from a queue and applies data conversion to the message, the result could overflow the allocated buffer and cause the channel to end abnormally.

Vulnerability Details

CVEID: CVE-2016-3013
DESCRIPTION:
IBM MQ could allow an authenticated user to crash the MQ channel due to improper data conversion handling.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114276 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 MQ V9.0

IBM MQ 9.0.0.0.

IBM MQ V8.0

IBM MQ 8.0.0.5 and earlier maintenance levels.

Remediation/Fixes

IBM MQ V9.0

Apply 9.0.0.1 maintenance level.

IBM MQ V8.0

Apply 8.0.0.6 maintenance level.

Workarounds and Mitigations

None.

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Important Note

IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.

References

Off

Change History

20 February 2017: Original version published
21 June 2017: V9.0 Added

*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.

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Document Information

Modified date:
15 June 2018

UID

swg21998661