ESB-2018.3453 - [Linux][Virtual] IBM Netezza Host Management: Access privileged data - Existing account 2018-11-05

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3453
       IBM Netezza Host Management is affected by the vulnerability
                      known as Variant 4 or SpectreNG
                              5 November 2018

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

Product:           IBM Netezza Host Management
Publisher:         IBM
Operating System:  Linux variants
                   Virtualisation
Impact/Access:     Access Privileged Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-3639  

Reference:         ASB-2018.0121
                   ESB-2018.3367
                   ESB-2018.3049
                   ESB-2018.1568

Original Bulletin: 
   https://www.ibm.com/support/docview.wss?uid=ibm10729649

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Security Bulletin: IBM Netezza Host Management is affected by the vulnerability
known as Variant 4 or SpectreNG.

Security Bulletin
Software version: All Versions
Operating system(s): Platform Independent
Reference #: 0729649
Modified date: 02 November 2018

Summary

Open Source Kernel is used by IBM Netezza Host Management. IBM Netezza Host
Management has addressed the applicable CVE.

Vulnerability Details

CVEID: CVE-2018-3639
DESCRIPTION: Multiple Intel CPUs could allow a local attacker to obtain
sensitive information, caused by utilizing sequences of speculative execution
and speculative execution of memory reads before the addresses of all prior
memory writes are known. By conducting targeted cache side-channel attacks, an
attacker could exploit this vulnerability to bypass security restrictions and
gain read access to privileged memory. Note: This vulnerability is the
Speculative Store Bypass (SSB), also known as Variant 4 or "SpectreNG".
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
143569 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N)

Affected Products and Versions

IBM Netezza Host Management  5.4.9 - 5.4.21

Remediation/Fixes

To resolve the reported CVEs for Red Hat Enterprise Linux (RHEL) on following
platforms :

PureData System for Analytics N3001
PureData System for Analytics N200x
PureData System for Analytics N1001
IBM Netezza High Capacity Appliance C1000
IBM Netezza 1000
IBM Netezza 100

Update to the following IBM Netezza Host Management release :

+-----------------------------------------------------------+
|          Product           | VRMF |Remediation / First Fix|
|----------------------------+------+-----------------------|
|IBM Netezza Host Management |5.4.22|Link to Fix Central    |
+-----------------------------------------------------------+

Customers who have enrolled for the IBM Netezza PDA OS Security upgrade program
can avail the fixes detailed above through following monthly upgrade patch:

+-------------------------------------------------------------+
|          Product          |  VRMF   |Remediation / First Fix|
|---------------------------+---------+-----------------------|
|IBM Netezza PDA OS Security|2.0.18.09|Link to Fix Central    |
+-------------------------------------------------------------+

The Netezza Host Management software contains the latest RHEL updates for the
operating systems certified for use on IBM Netezza/PureData System for
Analytics appliances. IBM recommends upgrading to the latest Netezza Host
Management version to ensure that your hosts have the latest fixes, security
changes, and operating system updates. IBM Support can assist you with planning
for the Netezza Host Management and operating system upgrades to your
appliances.

For more details on IBM Netezza Host Management security patching:

  * Red Hat Enterprise Linux (RHEL) Security Patching for IBM PureData System
    for Analytics appliances

NOTE:

During Spectre & Meltdown variant #4 performance testing we could observe upto
11% degradation for unload and upto 15% degradation for full backup. 

Performance impact depends on the workload as well as hardware platform.

Change History

2 November 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.

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