Security Bulletin: Vulnerability in OpenSSH affects IBM Flex System FC3171 8Gb SAN Switch and SAN Pass-thru firmware.

Summary

IBM Flex System FC3171 8Gb SAN Switch and SAN Pass-thru firmware has addressed the following vulnerability in OpenSSH.

Vulnerability Details

Summary

IBM Flex System FC3171 8Gb SAN Switch and SAN Pass-thru firmware has addressed the following vulnerability in OpenSSH.

Vulnerability Details

CVE-ID: CVE-2016-6210

Description: OpenSSH could allow a remote attacker to obtain sensitive information, caused by the increased amount of time to calculate SHA256/SHA512 hash than BLOWFISH hash. An attacker could exploit this vulnerability using a covert timing channel to enumerate users on system that runs SSHD.

CVSS Base Score: 4.3
CVSS Temporal Score: See <http://exchange.xforce.ibmcloud.com/vulnerabilities/115128&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

Affected products and versions

Remediation/Fixes

Firmware fix versions are available on Fix Central: <http://www.ibm.com/support/fixcentral/&gt;

You should verify applying this fix does not cause any compatibility issues.

Workarounds and Mitigations

None.

References

• Complete CVSS V3 Guide
• On-line Calculator V3

Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Lenovo Product Security Advisories

Acknowledgement

None.

Change History
18 January, 2017: 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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an “industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response.” IBM PROVIDES THE CVSS SCORES “AS IS” WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.