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)

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&gt; 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

For more information, see: <https://access.redhat.com/security/cve/cve-2018-5407&gt;

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&gt;

As for PureApplication System supporting products, refer to the table below

Workarounds and Mitigations

None