ESB-2018.0712 - [Win][Linux][IBM i][HP-UX][Solaris][AIX] IBM WebSphere: Denial of service - Remote/unauthenticated 2018-03-12

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0712
         Denial of Service patched in IBM WebSphere Remote Server
                               12 March 2018

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

Product:           IBM WebSphere Application Server
                   IBM WebSphere Remote Server
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   IBM i
                   Linux variants
                   Solaris
                   Windows
                   z/OS
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-12624  

Reference:         ESB-2018.0660.2
                   ESB-2017.2902

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22014457
   http://www.ibm.com/support/docview.wss?uid=swg22013597

Comment: This bulletin contains two (2) IBM security advisories.

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Security Bulletin: A security vulnerability has been identified in WebSphere
Application Server shipped with WebSphere Remote Server (CVE-2017-12624)

Security Bulletin

Document information
Software version: 7.0, 7.1, 7.1.1, 7.1.2, 8.5, 9.0
Operating system(s): AIX, HP-UX, Linux, Solaris, Windows

Software edition: All Editions
Reference #: 2014457
Modified date: 09 March 2018

Summary

WebSphere Application Server is shipped with WebSphere Remote Server.
Information about a security vulnerability affecting WebSphere Application
Server has been published in a security bulletin.

Vulnerability Details

Refer to the security bulletin(s) listed in the Remediation/Fixes section

Affected Products and Versions

This vulnerability affects the following versions and releases of IBM WebSphere
Remote Server:
- - 7.0, 7.1, 7.1.1, 7.1.2, 8.5, 9.0

Remediation/Fixes

Refer to the following security bulletins for vulnerability details and
information about fixes addressed by WebSphere Application Server which is
shipped with WebSphere Remote Server.


+-----------------------------------------------------------------+
|Principal Product and |Affected Supporting   |Affected Supporting|
|Version(s)            |Product and Version   |Product Security   |
|                      |                      |Bulletin           |
|----------------------+----------------------+-------------------|
|WebSphere Remote      |WebSphere Application |Denial of Service  |
|Server 7.0, 7.1,      |Server 7.0, 8.0, 8.5, |in Apache CXF used |
|7.1.1, 7.1.2, 8.5, 9.0|9.0                   |by WebSphere       |
|                      |                      |Application Server |
+-----------------------------------------------------------------+

Change History

09 March 2018: Original Version Published

*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.

- --------------------------------------------------------------------------------

Security Bulletin: Denial of Service in Apache CXF used by WebSphere
Application Server (CVE-2017-12624)

Security Bulletin

Document information
Software version: 7.0, 8.0, 8.5, 9.0
Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS
Software edition: Advanced, Base, Developer, Enterprise, Express, Liberty,
Network Deployment, Single Server
Reference #: 2013597
Modified date: 08 March 2018

Summary

There is a potential denial of service in Apache CXF that is used by WebSphere
Application Server.

Vulnerability Details

CVEID: CVE-2017-12624
DESCRIPTION: Apache CXF is vulnerable to a denial of service. By using a
specially crafted message attachment header, a remote attacker could exploit
this vulnerability to cause the JAX-WS and JAX-RS services stop responding.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
135095 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

This vulnerability affects the following versions and releases of IBM WebSphere
Application Server:

  * Liberty
  * Version 9.0

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF
containing the APAR for each named product as soon as practical.

For WebSphere Application Server Liberty using JAXWS:

- - Upgrade to minimal fix pack levels as required by interim fixes and then
apply Interim Fix PI92494           
- --OR--
- - Apply Fix Pack 18.0.0.1 or later.

For WebSphere Application Server traditional using JAXRS:
For V9.0.0.0 through 9.0.0.6:
- - Upgrade to minimal fix pack levels as required by interim fixes and then
apply Interim Fix PI92492  
- --OR--
- - Apply Fix Pack 9.0.0.7 or later.

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.

Change History

08 March 2018: original document published

*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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