Security Bulletin: Multiple vulnerabilities in BIND affects IBM Netezza Host Management

Summary

BIND is used by IBM Netezza Host Management. IBM Netezza Host Management has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2016-2776**
DESCRIPTION:** ISC BIND is vulnerable to a denial of service, caused by an assertion failure in buffer.c while a nameserver is building responses to a specifically constructed request. By sending a specially crafted DNS packet, a remote attacker could exploit this vulnerability to make named exit unexpectedly with an assertion failure.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/117246 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)

CVEID: CVE-2016-8864**
DESCRIPTION:** ISC BIND is vulnerable to a denial of service, caused by the improper handling of responses containing a DNAME answer in db.c or resolver.c. By sending a recursive response, a remote attacker could exploit this vulnerability to trigger an assertion failure.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/118526 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

IBM Netezza Host Management 5.4.6.0 and earlier

Remediation/Fixes

To resolve the reported CVEs for Red Hat Enterprise Linux (RHEL), and for the most-up-to-date software for the Netezza host operating system, update to the latest IBM Netezza Host Management release:

The Netezza Host Management software contains the latest RHEL updates for the operating systems certified for use on IBM Netezza/PureData System for Analytics appliances. IBM recommends upgrading to the latest Netezza Host Management version to ensure that your hosts have the latest fixes, security changes, and operating system updates. IBM Support can assist you with planning for the Netezza Host Management and operating system upgrades to your appliances.

For more details on IBM Netezza Host Management security patching:

• Red Hat Enterprise Linux (RHEL) Security Patching for IBM PureData System for Analytics appliances