ESB-2018.3454 - [Win][Linux][Virtual] IBM Netezza Host Management: Access privileged data - Existing account 2018-11-05

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3454
    L1TF - L1 Terminal Fault Attack affects IBM Netezza Host Management
                              5 November 2018

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

Product:           IBM Netezza Host Management
Publisher:         IBM
Operating System:  Windows
                   Linux variants
                   Virtualisation
Impact/Access:     Access Privileged Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-3646 CVE-2018-3620 

Reference:         ASB-2018.0204
                   ESB-2018.3039
                   ESB-2018.2380
                   ESB-2018.2352.5
                   ESB-2018.2343

Original Bulletin: 
   https://www.ibm.com/support/docview.wss?uid=ibm10729723

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Security Bulletin: L1TF - L1 Terminal Fault Attack affect IBM Netezza Host
Management

Security Bulletin

Document information
Software version: All Versions
Operating system(s): Platform Independent
Reference #: 0729723
Modified date: 02 November 2018

Summary

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

Vulnerability Details

CVEID: CVE-2018-3646
DESCRIPTION: Multiple Intel CPUs could allow a local attacker to obtain
sensitive information, caused by a flaw in the CPU speculative branch
instruction execution feature. By conducting targeted cache side-channel
attacks and via a terminal page fault, an attacker with guest OS privilege
could exploit this vulnerability to leak information residing in the L1 data
cache and read data belonging to different security contexts.
CVSS Base Score: 7.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
148319 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N)

CVEID: CVE-2018-3620
DESCRIPTION: Multiple Intel CPUs could allow a local attacker to obtain
sensitive information, caused by a flaw in the CPU speculative branch
instruction execution feature. By conducting targeted cache side-channel
attacks and via a terminal page fault, an attacker could exploit this
vulnerability to leak information residing in the L1 data cache and read data
belonging to different security contexts. Note: This vulnerability is also
known as the "L1 Terminal Fault (L1TF)" or "Foreshadow" attack.
CVSS Base Score: 7.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
148318 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/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    |
+----------------------------------------------------------+

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

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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