Security Bulletin: Multiple vulnerabilities in OpenSource ISC Bind affects IBM Netezza Host Management

Summary

OpenSource ISC Bind is used by IBM Netezza Host Management. IBM Netezza Host Management has addressed the applicable CVEs

Vulnerability Details

CVEID: CVE-2017-3136**
DESCRIPTION:** ISC BIND is vulnerable to a denial of service, caused by the improper handling of query requests when using DNS64 with “break-dnssec yes” option. By sending a specially crafted DNS request, a remote attacker could exploit this vulnerability to make named exit unexpectedly with an assertion failure.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/124516 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2017-3137**
DESCRIPTION:** ISC BIND is vulnerable to a denial of service, caused by the improper handling of a query response containing CNAME or DNAME resource records in an unusual order. By sending a specially crafted DNS response, 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/124517 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-2017-3139**
DESCRIPTION:** BIND on Red Hat Enterprise Linux is vulnerable to a denial of service, caused by a DNSSEC validation flaw. By sending a specially-crafted DNS response, a remote attacker could exploit this vulnerability to cause the system to crash.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/125766 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 - 5.4.12.0

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