High severity · published Jan 29, 2025
CVE-2024-12705
DNS-over-HTTPS implementation suffers from multiple issues under heavy query load
7.5
CVSS
18.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)18.2% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
B9
BIND 9 · ISC
9.18.0 through 9.18.32; 9.20.0 through 9.20.4; 9.21.0 through 9.21.3; 9.18.11-S1 through 9.18.32-S1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-12705
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-12705
kb.isc.org
https://kb.isc.org/docs/cve-2024-12705
security.netapp.com
https://security.netapp.com/advisory/ntap-20250207-0003/
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