ESB-2017.2454 - [Appliance] IBM WebSphere Cast Iron Solution: Denial of service - Remote/unauthenticated 2017-09-29

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2454
          Security Bulletin: IBM WebSphere Cast Iron Solution is
           affected by an OpenSSL vulnerability (CVE-2017-3731)
                             29 September 2017

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

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

Product:           IBM WebSphere Cast Iron Solution
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-3731  

Reference:         ESB-2017.1793
                   ESB-2017.1766
                   ESB-2017.1605
                   ESB-2017.0926.2
                   ESB-2017.0476

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22008918

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Security Bulletin: IBM WebSphere Cast Iron Solution is affected by an OpenSSL
vulnerability (CVE-2017-3731)

Document information

More support for:

WebSphere Cast Iron Cloud integration

Software version:

7.0.0, 7.0.0.1, 7.0.0.2, 7.5.0.0, 7.5.0.1, 7.5.1.0

Operating system(s):

Firmware

Software edition:

Physical, Virtual

Reference #:

2008918

Modified date:

28 September 2017


Security Bulletin

Summary

IBM WebSphere Cast Iron Solution has addressed the following vulnerability in
OpenSSL.

Vulnerability Details

CVEID:

CVE-2017-3731

DESCRIPTION:

OpenSSL is vulnerable to a denial of service, caused by an out-of-bounds read
when using a specific cipher. By sending specially crafted truncated packets,
a remote attacker could exploit this vulnerability using CHACHA20/POLY1305 to
cause the application to crash.

CVSS Base Score: 5.3

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/121312

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

+----------+------------+------------+---------------------------------------------+
|Product   |VRMF        |APAR        |Remediation/First Fix                        |
+----------+------------+------------+---------------------------------------------+
|Cast Iron |7.5.1.0,    |LI79582     |iFix 7.5.1.0-CUMUIFIX-013                    |
|Appliance |7.5.0.1,    |            |                                             |
|and       |7.5.0.0     |            |                                             |
|Hypervisor|            |            |                                             |
+----------+------------+------------+---------------------------------------------+
|Cast Iron |7.0.0.2,    |LI79582     |iFix 7.0.0.2-CUMUIFIX-038                    |
|Appliance |7.0.0.1,    |            |                                             |
|and       |7.0.0.0     |            |                                             |
|Hypervisor|            |            |                                             |
+----------+------------+------------+---------------------------------------------+


Workarounds and Mitigations

None



References

Complete CVSS v3 Guide

On-line Calculator v3



Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog



Change History

28 September 2017: 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.

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