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HIGH · 7.5

CVE-2023-2829

A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely termina...

Vulnerability Description

A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely terminated using a zone with a malformed NSEC record. This issue affects BIND 9 versions 9.16.8-S1 through 9.16.41-S1 and 9.18.11-S1 through 9.18.15-S1.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
IscBind>= 9.16.8, <= 9.16.41
NetappActive Iq Unified Manager-
NetappH500S Firmware-
NetappH500S-
NetappH700S Firmware-
NetappH700S-
NetappH410S Firmware-
NetappH410S-
NetappH410C Firmware-
NetappH410C-
NetappH300S Firmware-
NetappH300S-

References

FAQ

What is CVE-2023-2829?

CVE-2023-2829 is a vulnerability with a CVSS score of 7.5 (HIGH). A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely termina...

How severe is CVE-2023-2829?

CVE-2023-2829 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-2829?

Check the references section above for vendor advisories and patch information. Affected products include: Isc Bind, Netapp Active Iq Unified Manager, Netapp H500S Firmware, Netapp H500S, Netapp H700S Firmware.