Security Bulletin: GNU C library (glibc) vulnerability affects IBM Flex System EN6131 40Gb Ethernet / IB6131 40Gb Infiniband Switch Firmware (CVE-2015-0235)

Vulnerability Details

Summary

GNU C library (glibc) vulnerability that has been referred to as GHOST affects IBM Flex System EN6131 40Gb Ethernet / IB6131 40Gb Infiniband Switch Firmware.

Vulnerability Details

CVE-ID: CVE-2015-0235

Description: The gethostbyname functions of the GNU C Library (glibc) are vulnerable to a buffer overflow. By sending a specially crafted, but valid hostname argument, a remote attacker could overflow a buffer and execute arbitrary code on the system with the privileges of the targeted process or cause the process to crash. The impact of an attack depends on the implementation details of the targeted application or operating system. This issue is being referred to as the "Ghost" vulnerability.

CVSS Base Score: 7.6
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/100386 for current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/Au:N/C:C/I:C/A:C)

Affected products and versions

IBM Flex System EN6131 40Gb Ethernet / IB6131 40Gb Infiniband Switch Firmware version 3.4.1110 and earlier.

Remediation/Fixes

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

It is recommended to apply the following fix:

• Filename: mlnx_fw_ppc_m460ex-3.4.2002_anyos_noarch.img
• Version 3.4.2002, 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

Acknowledgement

None.

Change History
04 June 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.