ESB-2017.1605 - [Win][Linux][AIX] IBM PureApplication System: Denial of service - Remote/unauthenticated 2017-06-27

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.1605
          Security Bulletin: Vulnerability in OpenSSL affects IBM
                  PureApplication System (CVE-2017-3731)
                               27 June 2017

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

Product:           IBM PureApplication System
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Windows
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-3731  

Reference:         ASB-2017.0059
                   ASB-2017.0021
                   ESB-2017.1589
                   ESB-2017.1553

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg2200513

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Security Bulletin: Vulnerability in OpenSSL affects IBM PureApplication System
(CVE-2017-3731)

Security Bulletin

Document information

More support for: PureApplication System

Software version: 2.1.0.0, 2.1.0.1, 2.1.0.2, 2.1.1.0, 2.1.2.0, 2.1.2.1, 
2.1.2.2, 2.1.2.3, 2.1.2.4, 2.2.0.0, 2.2.1.0, 2.2.2.0, 2.2.2.1, 2.2.2.2

Operating system(s): AIX, Linux, Windows

Reference #: 2005135

Modified date: 26 June 2017

Summary

A potential denial of service vulnerability was reported by the OpenSSL 
project. IBM PureApplication System addressed the applicable CVE.

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

IBM PureApplication System V2.2

IBM PureApplication System V2.1

Remediation/Fixes

The PureSystems Manager on IBM PureApplication System is affected. The 
solution is to upgrade the IBM PureApplication System to the following fix 
level:

IBM PureApplication System V2.2:

Upgrade to IBM PureApplication System V2.2.3

IBM PureApplication System V2.1:

IBM recommends upgrading to a fixed version of the product.

Bluemix Local System is the evolution of the IBM PureApplication System Intel
based offerings.

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

22 June 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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