IBM Support

Security Bulletin: Vulnerability in OpenSSL affects IBM OS Image for Red Hat Linux Systems, AIX and bundling products for IBM PureApplication Systems (CVE-2018-5407)

Created by Stefania Errore on
Published URL:
https://www.ibm.com/support/pages/node/1073372
1073372

Security Bulletin


Summary

Open Source OpenSSL is vulnerable to a publicly disclosed vulnerability.

Vulnerability Details

CVEID: CVE-2018-5407
Description: Multiple SMT/Hyper-Threading architectures and processors could allow a local attacker to obtain sensitive information, caused by execution engine sharing on Simultaneous Multithreading (SMT) architecture. By using the PortSmash new side-channel attack, an attacker could run a malicious process next to legitimate processes using the architectures parallel thread running capabilities to leak encrypted data from the CPU's internal processes. Note: This vulnerability is known as PortSmash.
CVSS Base Score: 5.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/152484 for the current score
CVSS Environmental Score: *Undefined
CVSS Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/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
IBM PureApplication System V2.2.5.3

Affected Supporting Products

IBM DataPower Gateway 7.5.2
EndPoint Manager for Patch Management 9.5
 

Remediation/Fixes

OpenSSL is affected in RHEL7  OS Image for CVE-2018-5407
The solution is to upgrade the IBM PureApplication System to the following fix pack release:
PureApplication V2.2.6.2
Apply fix to the OS images available at  Fix Central
Contact IBM for assistance.
Information on upgrading can be found here: http://www-01.ibm.com/support/docview.wss?uid=swg27039159
As for PureApplication System supporting products, refer to the table below

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

May 31 , 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: 13930
Advisory CVEs:CVE-2018-5407
Product Record ID:125796

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Document Information

Modified date:
11 September 2019

UID

ibm11073372

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