Security Bulletin: Vulnerability in glibc affects Intel® Manycore Platform Software Stack (Intel® MPSS) for Linux and Windows (CVE-2016-5417)

Summary

Intel® Manycore Platform Software Stack (Intel® MPSS) for Linux and Windows have addressed the following vulnerability in glibc.

Vulnerability Details

Summary

Intel® Manycore Platform Software Stack (Intel® MPSS) for Linux and Windows have addressed the following vulnerability in glibc.

Vulnerability Details:

CVEID: CVE-2016-5417

Description: GNU C Library is vulnerable to a denial of service, caused by a memory leak in the __res_vinit function in the IPv6 name server management code. By leveraging partial initialization of internal resolver data structures, a remote attacker could exploit this vulnerability to consume all available memory resources.

CVSS Base Score: 7.5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/125333&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes:

IBM recommends that you update the affected versions of Intel MPSS that are used with the Intel Xeon Phi cards supported in IBM System x Servers to MPSS version 3.8.3 or later.

Instructions on how to download and apply the update are available at:

<http://www-01.ibm.com/software/test/wenses/security/&gt;

Workaround(s) & Mitigation(s):

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
12 December 2017: 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.