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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


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

Product

VRMFAPARRemediation/Fix
IBM Integration BusV10IT17046 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 BusV9IT17046 The APAR is available in Fix Pack 9.0.0.7
http://www-01.ibm.com/support/docview.wss?uid=swg24043227
WebSphere Message Broker V8IT17046 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

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Important Note

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References

Off

Change History

6 December 2016 - Original version published
27 January 2017 - V9 fix links added
1 Feb 2017 - Text correction

*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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Product Alias/Synonym

WMB IIB

Document Information

Modified date:
15 June 2018

UID

swg21985691