{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-12705","assignerOrgId":"404fd4d2-a609-4245-b543-2c944a302a22","state":"PUBLISHED","assignerShortName":"isc","dateReserved":"2024-12-17T14:25:50.907Z","datePublished":"2025-01-29T21:40:27.839Z","dateUpdated":"2025-02-07T17:02:44.473Z"},"containers":{"cna":{"providerMetadata":{"orgId":"404fd4d2-a609-4245-b543-2c944a302a22","shortName":"isc","dateUpdated":"2025-01-29T21:40:27.839Z"},"title":"DNS-over-HTTPS implementation suffers from multiple issues under heavy query load","datePublic":"2025-01-29T00:00:00.000Z","affected":[{"vendor":"ISC","product":"BIND 9","versions":[{"version":"9.18.0","lessThanOrEqual":"9.18.32","status":"affected","versionType":"custom"},{"version":"9.20.0","lessThanOrEqual":"9.20.4","status":"affected","versionType":"custom"},{"version":"9.21.0","lessThanOrEqual":"9.21.3","status":"affected","versionType":"custom"},{"version":"9.18.11-S1","lessThanOrEqual":"9.18.32-S1","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"metrics":[{"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling"}]}],"descriptions":[{"lang":"en","value":"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.\nThis 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."}],"impacts":[{"descriptions":[{"lang":"en","value":"By flooding a target resolver with HTTP/2 traffic and exploiting this flaw, an attacker could overwhelm the server, causing high CPU and/or memory usage and preventing other clients from establishing DoH connections. This would significantly impair the resolver's performance and effectively deny legitimate clients access to the DNS resolution service."}]}],"workarounds":[{"lang":"en","value":"The issue affects only the DNS-over-HTTPS protocol and does not apply to instances where DoH is not enabled."}],"exploits":[{"lang":"en","value":"We are not aware of any active exploits."}],"solutions":[{"lang":"en","value":"Upgrade to the patched release most closely related to your current version of BIND 9: 9.18.33, 9.20.5, 9.21.4, or 9.18.33-S1."}],"credits":[{"lang":"en","value":"ISC would like to thank Jean-François Billaud for bringing this vulnerability to our attention."}],"references":[{"url":"https://kb.isc.org/docs/cve-2024-12705","name":"CVE-2024-12705","tags":["vendor-advisory"]}],"source":{"discovery":"EXTERNAL"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-01-30T15:25:35.856020Z","id":"CVE-2024-12705","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-01-30T15:27:00.887Z"}},{"title":"CVE Program Container","references":[{"url":"https://security.netapp.com/advisory/ntap-20250207-0003/"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-02-07T17:02:44.473Z"}}]}}