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Security Bulletin: IBM PureApplication System is affected by a vulnerability (CVE-2018-3639) pertaining third-party CPU hardware

Security Bulletin


Summary

IBM has released Version 2.2.5.3 for IBM PureApplication System, which includes IBM OS image for AIX Systems and IBM OS images for Red Hat Linux Systems based deployments, to address a vulnerability in response to CVE-2018-3639. IBM PureApplication System has addressed the following vulnerability.

Vulnerability Details

CVEID: CVE-2018-3639
DESCRIPTION: Multiple Intel CPU's 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 PureApplication System V2.2.3.0
IBM PureApplication System V2.2.3.1
IBM PureApplication System V2.2.3.2
IBM PureApplication System V2.2.4.0
IBM PureApplication System V2.2.5.0
IBM PureApplication System V2.2.5.1
IBM PureApplication System V2.2.5.2

Remediation/Fixes

The PureSystems® Manager on IBM PureApplication System is affected.

AIX:

  • Follow the steps from this bulletin to apply the AIX fix updates:

http://www-01.ibm.com/support/docview.wss?uid=isg3T1027700

OR

  • Upgrade IBM PureApplication System to the following fix pack release:

IBM PureApplication  V2.2.5.3


Linux:

For Red Hat Enterprise Linux fix updates, upgrade IBM PureApplication System to the following fix pack release:
IBM PureApplication  V2.2.5.3

Contact IBM for assistance.

Information on upgrading can be found here: http://www-01.ibm.com/support/docview.wss?uid=swg27039159

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

January 25, 2019: Original document 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.

Internal Use Only

Advisory ID    12137

Product Record ID    115923/115925

RTC 240153/240152

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Document Information

Modified date:
25 January 2019

UID

ibm10731129

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