Description
BIND 9.11.0 -> 9.11.36 9.12.0 -> 9.16.26 9.17.0 -> 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -> 9.11.36-S1 9.16.8-S1 -> 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients.
Published: 2022-03-23
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Solution

Upgrade to the patched release most closely related to your current version of BIND: BIND 9.11.37 BIND 9.16.27 BIND 9.18.1 BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers. BIND 9.11.37-S1 BIND 9.16.27-S1


Vendor Workaround

If applicable, modify your configuration to either remove all forwarding or all possibility of recursion. Depending on your use-case, it may be possible to use other zone types to replace forward zones. Active exploits: We are not aware of any active exploits.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-2955-1 bind9 security update
Debian DLA Debian DLA DLA-2955-2 bind9 regression update
Debian DSA Debian DSA DSA-5105-1 bind9 security update
EUVD EUVD EUVD-2021-12131 BIND 9.11.0 -> 9.11.36 9.12.0 -> 9.16.26 9.17.0 -> 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -> 9.11.36-S1 9.16.8-S1 -> 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients.
Ubuntu USN Ubuntu USN USN-5332-1 Bind vulnerabilities
Ubuntu USN Ubuntu USN USN-5332-2 Bind vulnerability
History

No history.

Subscriptions

Fedoraproject Fedora
Isc Bind
Juniper Junos Srx100 Srx110 Srx1400 Srx1500 Srx210 Srx220 Srx240 Srx240h2 Srx240m Srx300 Srx320 Srx340 Srx3400 Srx345 Srx3600 Srx380 Srx4000 Srx4100 Srx4200 Srx4600 Srx5000 Srx5400 Srx550 Srx550 Hm Srx550m Srx5600 Srx5800 Srx650
Netapp H300e H300e Firmware H300s H300s Firmware H410c H410c Firmware H410s H410s Firmware H500e H500e Firmware H500s H500s Firmware H700e H700e Firmware H700s H700s Firmware
Redhat Enterprise Linux Rhel Eus
Siemens Sinec Ins
cve-icon MITRE

Status: PUBLISHED

Assigner: isc

Published:

Updated: 2024-09-16T17:08:54.143Z

Reserved: 2021-01-15T00:00:00.000Z

Link: CVE-2021-25220

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-03-23T13:15:07.680

Modified: 2024-11-21T05:54:34.523

Link: CVE-2021-25220

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-03-16T00:00:00Z

Links: CVE-2021-25220 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses