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AUSCERT External Security Bulletin Redistribution
ESB-2017.0271
Security Bulletin: Open Source Apache Xerces-C XML parser vulnerabilities
affect IBM Integration Bus and WebSphere Message Broker
(CVE-2016-4463, CVE-2016-0729)
31 January 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Integration Bus
Publisher: IBM
Operating System: AIX
HP-UX
Linux variants
Solaris
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-4463 CVE-2016-0729
Reference: ESB-2017.0122
ESB-2017.0036
ESB-2016.2996
ESB-2016.2361
ESB-2016.2289
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg21985691
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Security Bulletin: Open Source Apache Xerces-C XML parser vulnerabilities
affect IBM Integration Bus and WebSphere Message Broker (CVE-2016-4463,
CVE-2016-0729)
Security Bulletin
Document information
More support for:
IBM Integration Bus
Software version:
9.0, 10.0
Operating system(s):
AIX, HP-UX, Linux, Solaris, Windows
Reference #:
1985691
Modified date:
30 January 2017
Summary
IBM Integration Bus and WebSphere Message Broker are affected by Open Source
Apache Xerces-C XML parser vulnerabilities.
Vulnerability Details
CVEID:
CVE-2016-0729
DESCRIPTION:
Apache Xerces-C XML Parser library is vulnerable to a denial of service,
caused by improper bounds checking during processing and error reporting. By
sending specially crafted input documents, an attacker could exploit this
vulnerability to cause the library to crash or possibly execute arbitrary
code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/111028
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
CVEID:
CVE-2016-4463
DESCRIPTION:
Apache Xerces-C XML Parser library is vulnerable to a denial of service,
caused by a stack-based buffer overflow when parsing a deeply nested DTD. A
remote attacker could exploit this vulnerability to cause a denial of
service.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/114596
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 Integration Bus V10 and V9
WebSphere Message Broker V8
Remediation/Fixes
For users of ODBC SSL using the DataDirect drivers:
Product VRMF APAR Remediation/Fix
IBM Integration Bus V10 IT17046 The APAR is available in Fix Pack 10.0.0.7 for all platforms except PPC-LE.
https://www-304.ibm.com/support/docview.wss?uid=swg24043068
If you require a fix for PPCLE, please contact IBM support.
IBM Integration Bus V9 IT17046 The APAR is available in Fix Pack 9.0.0.7
http://www-01.ibm.com/support/docview.wss?uid=swg24043227
WebSphere Message Broker V8 IT17046 The APAR is available in Fix Pack 8.0.0.8
https://www-304.ibm.com/support/docview.wss?uid=swg24042925
For unsupported versions of the product, IBM recommends upgrading to a fixed,
supported version/release/platform of the product.
The planned maintenance release dates for WebSphere Message Broker and IBM
Integration Bus are available at :
http://www.ibm.com/support/docview.wss?uid=swg27006308
Workarounds and Mitigations
None
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
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
6 December 2016 - Original version published
27 January 2017 - V9 fix links 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.
Cross reference information
Segment Product Component Platform Version Edition
Business Integration WebSphere Message Broker 8.0
Product Alias/Synonym
WMB IIB
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