Security Bulletin: Open Source Apache Xerces-C XML parser vulnerabilities affect IBM Integration Bus and WebSphere Message Broker (CVE-2016-4463, CVE-2016-0729)

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

| 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&gt;
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&gt;
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&gt;

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