CVE-2024-12705 HIGH

CVE-2024-12705: DNS-over-HTTPS implementation suffers from multiple issues under heavy query load

Vendor Isc
Product BIND 9
Weakness CWE-770 · Uncontrolled resource consumption
Published January 29, 2025
Last update February 7, 2025
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

Clients using DNS-over-HTTPS (DoH) can exhaust a DNS resolver's CPU and/or memory by flooding it with crafted valid or invalid HTTP/2 traffic. This issue affects BIND 9 versions 9.18.0 through 9.18.32, 9.20.0 through 9.20.4, 9.21.0 through 9.21.3, and 9.18.11-S1 through 9.18.32-S1.

Key dates

02Disclosure timeline

January 29, 2025 CVE published
February 7, 2025 Record updated