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Security Bulletin: IBM WebSphere MQ Heap storage leak on error path could lead to denial of service (CVE-2016-0260)

Security Bulletin


Summary

Heap storage allocated on an error path is not deallocated by queue manager agents, a malicious user could use an application to repeatedly cause the queue manager to execute this error path and eventually exhaust storage for the agent, thereby causing a denial of service.

Vulnerability Details

CVEID: CVE-2016-0260
DESCRIPTION: IBM WebSphere MQ contains an agent memory leak could be exploited by malicious user to cause a denial of service.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110602 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM WebSphere MQ 8.0.0.0 through 8.0.0.4 maintenance levels are affected.

Remediation/Fixes

Apply IBM WebSphere MQ 8.0.0.5 fixpack or later maintenance.

Workarounds and Mitigations

None.

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References

Off

Change History

2 June 2016: Original version 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.

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.

[{"Product":{"code":"SSFKSJ","label":"WebSphere MQ"},"Business Unit":{"code":"BU004","label":"Hybrid Cloud"},"Component":"Security","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF012","label":"IBM i"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"8.0.0.4;8.0.0.3;8.0.0.2;8.0.0.1;8.0","Edition":"All Editions"}]

Document Information

Modified date:
15 June 2018

UID

swg21984564