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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.1693
           Security Bulletin: IBM MessageSight/MessageGateway is
            affected by the following IBM Liberty vulnerability
                                14 May 2019

===========================================================================

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

Product:           IBM MessageSight
Publisher:         IBM
Operating System:  Linux variants
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-4046  

Reference:         ESB-2019.1497
                   ESB-2019.1483
                   ESB-2019.1307
                   ESB-2019.1289

Original Bulletin: 
   https://www.ibm.com/support/docview.wss?uid=ibm10884206

- --------------------------BEGIN INCLUDED TEXT--------------------

IBM MessageSight/MessageGateway has addressed the following WebSphere
Application Server vulnerability:

CVE-2019-4046: IBM WebSphere Application Server is vulnerable to a denial of
service, caused by improper handling of request headers

Document information

More support for: IBM MessageSight

Software version: 1.2, 2.0, 5.0.0.0, 5.0.0.1

Operating system(s): Linux

Reference #: 0884206

Modified date: 14 May 2019


Vulnerability Details

CVEID: CVE-2019-4046
DESCRIPTION: IBM WebSphere Application Server is vulnerable to a denial of
service, caused by improper handling of request headers. A remote attacker
could exploit this vulnerability to cause the consumption of Memory.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
156242 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

+-------------------------+-----------------+
|Affected IBM MessageSight|Affected Versions|
+-------------------------+-----------------+
|IBM MessageSight         |1.2.0.0 - 1.2.0.3|
+-------------------------+-----------------+
|IBM MessageSight         |2.0.0.0 - 2.0.0.2|
+-------------------------+-----------------+
|IBM MessageSight         |5.0.0.0          |
+-------------------------+-----------------+
|IBM MessageGateway       |5.0.0.1          |
+-------------------------+-----------------+


Remediation/Fixes

+------------------+-------+-------------------------+
|                  |       |                         |
|IBM MessageSight  |1.2.0.3|                         |
|                  |       |1.2.0.3-IBM-IMA-IFIT29053|
+------------------+-------+-------------------------+
|                  |       |                         |
|IBM MessageSight  |2.0.0.2|                         |
|                  |       |2.0.0.2-IBM-IMA-IFIT29053|
+------------------+-------+-------------------------+
|                  |       |                         |
|IBM MessageSight  |5.0.0.0|                         |
|                  |       |5.0.0.0-IBM-IMA-IFIT29053|
+------------------+-------+-------------------------+
|                  |       |                         |
|IBM MessageGateway|5.0.0.1|                         |
|                  |       |5.0.0.1-IBM-IMA-IFIT29053|
+------------------+-------+-------------------------+


Workarounds and Mitigations

None

Reference

Complete CVSS v3 Guide
On-line Calculator v3

            Change History
+----------+--------------------------+
|5 May 2019|Original version published|
+----------+--------------------------+

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

*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.

- --------------------------END INCLUDED TEXT--------------------

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