ESB-2019.0261 - [Win][Linux][HP-UX][Solaris][AIX] IBM Integration Bus: Denial of service - Remote/unauthenticated 2019-01-30

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0261
There is a security vulnerability in the XLXP-C component which is shipped
     in IBM Integration Bus and App Connect Enterprise (CVE-2018-1801)
                              30 January 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Integration Bus
Publisher:         IBM
Operating System:  Linux variants
                   AIX
                   HP-UX
                   Solaris
                   Windows
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1801  

Reference:         ESB-2018.3554
                   ESB-2018.3249
                   ESB-2018.3231
                   ESB-2018.3169

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10795780

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Security Bulletins: There is a security vulnerability in the XLXP-C component
which is shipped in IBM Integration Bus and App Connect Enterprise
(CVE-2018-1801)

Security Bulletin
Document information
More support for: IBM Integration Bus
Software version: All Versions
Operating system(s): AIX, HP-UX, Linux, Solaris, Windows
Reference #: 0795780
Modified date: 28 January 2019

Summary

There is a security vulnerability in the XLXP-C component which is
shipped in IBM Integration Bus and App Connect Enterprise. A
successful exploitation of the vulnerability could lead to a denial of
service attack.

Vulnerability Details


CVEID: CVE-2018-1801
DESCRIPTION: IBM Integration Bus is vulnerable to a XML External Entity
Injection (XXE) attack when processing XML data. A remote attacker could exploit
this vulnerability to consume memory resources.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/149639
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 App Connect V11.0.0.0 - V11.0.0.1

IBM Integration Bus V10.0.0.0 -V10.0.0.13

IBM Integration Bus V9.0.0.0 - V9.0.0.10

WebSphere Message Broker V8.0.0.0 -V8.0.0.9

Remediation/Fixes

+---------------+-------------------+-----------+--------------------------------+
|    Product    |       VRMF        |APAR       |       Remediation / Fix        |
+---------------+-------------------+-----------+--------------------------------+
|               |                   |           |The APAR is available in fix    |
|IBM App Connect|V11.0.0.0-V11.0.0.1|IT19007    |pack 11.0.0.2                   |
|               |                   |           |IBM App Connect Enterprise      |
|               |                   |           |Version V11-Fix Pack 11.0.0.2   |
+---------------+-------------------+-----------+--------------------------------+
|               |                   |           |The APAR is available in fix    |
|IBM Integration|V10.0.0.0 -        |           |pack 10.0.0.14 except for AIX - |
|Bus            |V10.0.0.13         |IT19007    |see IT26013                     |
|               |                   |           |IBM Integration Bus V10.0 - Fix |
|               |                   |           |Pack 10.0.0.14                  |
+---------------+-------------------+-----------+--------------------------------+
|               |                   |           |For AIX apply this Interim fix  |
|IBM Integration|V10.0.0.0 -        |           |for APAR IT26013 on the top of  |
|Bus            |V10.0.0.14         |IT26013    |fix pack 10.0.0.15              |
|               |                   |           |Interim fix available here -->  |
|               |                   |           |IBM Fix Central                 |
+---------------+-------------------+-----------+--------------------------------+
|IBM Integration|V9.0.0.0 -         |IT19007    |The APAR is available in fix    |
|Bus            |V9.0.0.10          |           |pack 9.0.0.11                   |
|               |                   |           |IBM Integration Bus V9.0 - Fix  |
|               |                   |           |Pack 9.0.0.11                   |
+---------------+-------------------+-----------+--------------------------------+
|WebSphere      |V8.0.0.0 - V8.0.0.9|IT19007    |Contact IBM support to request  |
|Message Broker |                   |           |for Fix APAR                    |
+---------------+-------------------+-----------+--------------------------------+

Websphere Message Broker V8 is no longer in full support; IBM recommends
upgrading to a fixed, supported version/release/platform of the product.

If you are a customer with extended support and require a fix, contact IBM
support.


Reference

Complete CVSS v3 Guide On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal IBM Product Security Incident
Response Blog

Change History

18 January 2019

*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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