CVE-2024-1975

CVE Details

Release Date:

2024-07-23

Description

If a server hosts a zone containing a 'KEY' Resource Record, or a resolver DNSSEC-validates a 'KEY' Resource Record from a DNSSEC-signed domain in cache, a client can exhaust resolver CPU resources by sending a stream of SIG(0) signed requests.\nThis issue affects BIND 9 versions 9.0.0 through 9.11.37, 9.16.0 through 9.16.50, 9.18.0 through 9.18.27, 9.19.0 through 9.19.24, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.49-S1, and 9.18.11-S1 through 9.18.27-S1.

See more information about CVE-2024-1975 from MITRE CVE dictionary and NIST NVD

CVSS Scoring

NOTE: The following CVSS v3.1 metrics and score provided are preliminary and subject to review.

Base Score:	7.5	CVSS Vector:	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 Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (bind)	ELSA-2024-5524	2024-08-19
Oracle Linux version 8 (bind9.16)	ELSA-2024-5390	2024-08-14
Oracle Linux version 9 (bind)	ELSA-2024-5231	2024-08-13
Oracle Linux version 9 (bind-dyndb-ldap)	ELSA-2024-5231	2024-08-13