Security Bulletin
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
| Affected Product(s) | Version(s) |
| IBM Netezza Host Management | All IBM Netezza Host Management 5.3.8.0 - 5.4.30.0 |
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 :
| Product | VRMF | Remediation/Fix |
| IBM Netezza Host Management | 5.4.31.0 | Fix_Central_Link |
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:
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Acknowledgement
Change History
20 Sep 2021: Original Publication
*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
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
22 September 2021
UID
ibm16490827