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{"cveTags": [], "descriptions": [{"lang": "en", "value": "When incoming DNS over HTTPS support is enabled using the nghttp2 provider, and queries are routed to a tcp-only or DNS over TLS backend, an attacker can trigger an assertion failure in DNSdist by sending a request for a zone transfer (AXFR or IXFR) over DNS over HTTPS, causing the process to stop and thus leading to a Denial of Service. DNS over HTTPS is not enabled by default, and backends are using plain DNS (Do53) by default."}, {"lang": "es", "value": "Cuando la compatibilidad con DNS entrante sobre HTTPS est\u00e1 habilitada mediante el proveedor nghttp2 y las consultas se enrutan a un backend solo tcp o DNS sobre TLS, un atacante puede desencadenar una falla de aserci\u00f3n en DNSdist enviando una solicitud de transferencia de zona (AXFR o IXFR). a trav\u00e9s de DNS a trav\u00e9s de HTTPS, lo que provoca que el proceso se detenga y, por lo tanto, conduce a una Denegaci\u00f3n de Servicio. DNS sobre HTTPS no est\u00e1 habilitado de forma predeterminada y los servidores utilizan DNS simple (Do53) de forma predeterminada."}], "id": "CVE-2024-25581", "lastModified": "2025-02-13T18:17:14.117", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@open-xchange.com", "type": "Secondary"}]}, "published": "2024-05-14T15:05:29.707", "references": [{"source": "security@open-xchange.com", "url": "http://www.openwall.com/lists/oss-security/2024/05/13/1"}, {"source": "security@open-xchange.com", "url": "https://dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2024-03.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2024/05/13/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2024-03.html"}], "sourceIdentifier": "security@open-xchange.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "security@open-xchange.com", "type": "Secondary"}]}

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