Security Bulletin: A security vulnerability has been identified in OpenSSL, which is shipped with IBM Tivoli Network Manager IP Edition (CVE-2018-5407)

Security Bulletin

Summary

OpenSSL is shipped with IBM Tivoli Network Manager IP Edition version 3.9. Information about a security vulnerability affecting Open SSL has been published here.

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/152484for 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 Tivoli Network Manager IP Edition v3.9 Fix Pack 4 & Fix Pack 5.

Remediation/Fixes

IBM Tivoli Network Manager IP Edition 3.9 FP4 and FP5	APAR IJ15786	Please contact IBM support and reference APAR IJ15786, to obtain a fix.

Workarounds and Mitigations

Only customers on ITNM v3.9 FP4 or FP5 who have Java SSL Collectors enabled may be affected. These collectors are not enabled by default.

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

29 May 2019 - Initial 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.

Document Location

Worldwide

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Tips

Security Bulletin: A security vulnerability has been identified in OpenSSL, which is shipped with IBM Tivoli Network Manager IP Edition (CVE-2018-5407)