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

Security Bulletin

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

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References

Complete CVSS v3 Guide
On-line Calculator v3

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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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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