Security Bulletin: Vulnerability in RC4 stream cipher affects IBM Flex System FC3171 8Gb SAN Switch and SAN Pass-thru firmware. (CVE-2015-2808)

Summary

The RC4 “Bar Mitzvah” Attack for SSL/TLS affects IBM Flex System FC3171 8Gb SAN Switch and SAN Pass-thru firmware.

Vulnerability Details

Summary

The RC4 “Bar Mitzvah” Attack for SSL/TLS affects IBM Flex System FC3171 8Gb SAN Switch and SAN Pass-thru firmware.

Vulnerability Details

CVE-ID: CVE-2015-2808

Description: The RC4 algorithm, as used in the TLS protocol and SSL protocol, could allow a remote attacker to obtain sensitive information. An attacker could exploit this vulnerability to remotely expose account credentials without requiring an active man-in-the-middle session. Successful exploitation could allow an attacker to retrieve credit card data or other sensitive information. This vulnerability is commonly referred to as “Bar Mitzvah Attack”.

CVSS Base Score: 5
CVSS Temporal Score: See <http://exchange.xforce.ibmcloud.com/vulnerabilities/101851&gt; for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)

Affected products and versions

IBM Flex System FC3171 8Gb SAN Switch and SAN Pass-thru firmware versions 9.1.0.xx, 9.1.1.xx, 9.1.2.xx, and 9.1.3.xx.

Remediation/Fixes

Firmware updates are available at IBM Fix Central: <http://www.ibm.com/support/fixcentral/&gt;.

It is recommended to apply the following fix for IBM Flex System FC3171 8Gb SAN Switch and SAN Pass-thru Firmware: qlgc_fw_flex_9.1.5.03.00_anyos_noarch version 9.1.5.03.00 (or a later version).

Workarounds and Mitigations

None.

Reference

• Complete CVSS Guide
• On-line Calculator V2

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

None.

Change History
05 May 2015: Original Copy 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.