Show plain JSON{"id": "CVE-2017-11104", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2017-07-08T10:29:00.170", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00076.html", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00078.html", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00089.html", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00049.html", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://www.debian.org/security/2017/dsa-3910", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/99598", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf", "tags": ["Exploit", "Mitigation", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://bugs.debian.org/865678", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html", "tags": ["Broken Link", "Mailing List", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00076.html", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00078.html", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00089.html", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00049.html", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.debian.org/security/2017/dsa-3910", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/99598", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf", "tags": ["Exploit", "Mitigation", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugs.debian.org/865678", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html", "tags": ["Broken Link", "Mailing List", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "Knot DNS before 2.4.5 and 2.5.x before 2.5.2 contains a flaw within the TSIG protocol implementation that would allow an attacker with a valid key name and algorithm to bypass TSIG authentication if no additional ACL restrictions are set, because of an improper TSIG validity period check."}, {"lang": "es", "value": "Knot DNS anterior a versi\u00f3n 2.4.5 y versi\u00f3n 2.5.x anterior a 2.5.2, contiene un fallo dentro de la implementaci\u00f3n del protocolo TSIG que permitir\u00eda a un atacante con un nombre de clave v\u00e1lido y un algoritmo omitir la autenticaci\u00f3n TSIG si no se establecen restricciones ACL adicionales, debido a una comprobaci\u00f3n inapropiada del per\u00edodo de validez TSIG."}], "lastModified": "2025-04-20T01:37:25.860", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:knot-dns:knot_dns:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F0CEBFD-11BC-40ED-935F-9E621F99A1CD", "versionEndIncluding": "2.4.4"}, {"criteria": "cpe:2.3:a:knot-dns:knot_dns:2.5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "56BBCEF1-0DF1-4A0A-8B43-EEBA203A7314"}, {"criteria": "cpe:2.3:a:knot-dns:knot_dns:2.5.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6362CB21-8799-4059-A816-B63064389D0B"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"} 