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AUSCERT External Security Bulletin Redistribution
ESB-2016.0703
Security Bulletin: ICU4C overflow vulnerability affects IBM
WebSphere MQ (CVE-2011-4599)
16 March 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM WebSphere MQ
Publisher: IBM
Operating System: AIX
Linux variants
Solaris
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2011-4599
Reference: ESB-2012.0911
ESB-2012.0899
ESB-2012.0898
ESB-2012.0092
ESB-2011.1249.2
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg21975091
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Security Bulletin: ICU4C overflow vulnerability affects IBM WebSphere MQ
(CVE-2011-4599)
Security Bulletin
Document information
More support for:
WebSphere MQ
WMQ Managed File Transfer
Software version:
7.5, 8.0
Operating system(s):
AIX, Linux, Solaris, Windows
Software edition:
All Editions
Reference #:
1975091
Modified date:
2016-03-15
Summary
A vulnerability exists in the version of ICU4C shipped by IBM WebSphere MQ
which provides support for Managed File Transfer process controller.
Vulnerability Details
CVEID:
CVE-2011-4599
DESCRIPTION:
International Components for Unicode is vulnerable to a stack-based buffer
overflow, caused by improper bounds checking by the _canonicalize( )
function. By supplying a negative len value, a remote attacker could overflow
a buffer and execute arbitrary code on the system or cause the application to
crash.
CVSS Base Score: 7.5
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/71726
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Affected Products and Versions
IBM WebSphere MQ 8.0
Fixpack 8.0.0.3 and earlier maintenance levels
IBM WebSphere MQ 7.5
Fixpack 7.5.0.5 and earlier maintenance levels
Remediation/Fixes
IBM WebSphere MQ 8.0
Apply
fixpack 8.0.0.4
or later
IBM WebSphere MQ 7.5
Apply
fixpack 7.5.0.6
or later
Get Notified about Future Security Bulletins
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to be notified of important product support alerts like this.
References
Complete CVSS v2 Guide
On-line Calculator v2
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
11 March 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.
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