Security Bulletin: A vulnerability in Open Source Bind affects IBM Netezza Host Management

Summary

Open Source Bind is used by IBM Netezza Host Management. IBM Netezza Host Management has addressed the applicable CVE.

Vulnerability Details

CVEID: CVE-2018-5743 DESCRIPTION: ISC BIND is vulnerable to a denial of service, caused by a flaw when setting the TCP client quota using the tcp-clients option. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause the exhaustion of file descriptors.
CVSS Base Score: 7.5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/160127&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

• IBM Netezza Host Management 5.3.8.0 - 5.4.24.0

Remediation/Fixes

To resolve the reported CVE for Red Hat Enterprise Linux (RHEL) on PureData System for Analytics N200x and N3001 platforms only, update to the following 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

Workarounds and Mitigations

None