Security Bulletin: Publicly disclosed vulnerabilities from Bind affect 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-2021-25215
**DESCRIPTION:**ISC BIND is vulnerable to a denial of service, caused by an assertion failure while answering queries for DNAME records. By sending a query for DNAME records, an attacker could exploit this vulnerability to trigger a failed assertion check and terminate the named process.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/200960 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2020-8625
**DESCRIPTION:**ISC BIND is vulnerable to a buffer overflow, caused by improper bounds checking by the SPNEGO implementation. By setting valid values for the tkey-gssapi-keytab or tkey-gssapi-credentialconfiguration options, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the named process to crash.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196959 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

To resolve the reported CVEs for Red Hat Enterprise Linux (RHEL) on following platforms :

PureData System for Analytics N3001
PureData System for Analytics N200x

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