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AUSCERT External Security Bulletin Redistribution
ESB-2016.2221
Security Bulletin: IBM WebSphere MQ Invalid client protocol
flows could cause denial of service (CVE-2016-0379)
21 September 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM WebSphere MQ
Publisher: IBM
Operating System: AIX
HP-UX
IBM i
Linux variants
Solaris
Windows
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2016-0379
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg21984565
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Security Bulletin: IBM WebSphere MQ Invalid client protocol flows could cause
denial of service (CVE-2016-0379)
Security Bulletin
Document information
More support for:
WebSphere MQ
Clients
Software version:
7.5, 8.0
Operating system(s):
AIX, HP-UX, IBM i, Linux, Solaris, Windows
Software edition:
All Editions
Reference #:
1984565
Modified date:
2016-09-20
Summary
An invalid MQ client protocol flow could cause a memory access violation on
the server which could impact other channels running in the same process.
Vulnerability Details
CVEID:
CVE-2016-0379
DESCRIPTION: IBM WebSphere MQ could allow an authenticated user with queue
manager rights to cause a denial of service to channels due to incorrect
handling of MQ protocol flows.
CVSS Base Score: 3.1
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/112245
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 WebSphere MQ 7.5
IBM WebSphere MQ 7.5.0.0 through 7.5.0.6 maintenance levels
IBM WebSphere MQ 8.0
IBM WebSphere MQ 8.0.0.0 through 8.0.0.4 maintenance levels
Remediation/Fixes
IBM WebSphere MQ 7.5
Apply IBM WebSphere MQ 7.5.0.7 or later maintenance
IBM WebSphere 8.0
Apply IBM WebSphere MQ 8.0.0.5 or later maintenance
Workarounds and Mitigations
None
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References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
2 June 2016: Original version published
20 September 2016: Details of 7.5.0.7 fixpack 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
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.
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