CVE-2024-12705

DNS-over-HTTPS implementation suffers from multiple issues under heavy query load

State: Published
Severity: 7.5 High
Published: Jan 29, 2025
Updated: Feb 7, 2025
Reserved: Dec 17, 2024

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	isc

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
BIND 9ISC	9.18.0 through 9.18.32Affected 9.20.0 through 9.20.4Affected 9.21.0 through 9.21.3Affected 9.18.11-S1 through 9.18.32-S1Affected

References

CVE-2024-12705vendor-advisory
https://security.netapp.com/advisory/ntap-20250207-0003/

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