{"id":"CVE-2019-10190","state":"PUBLISHED","title":"A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-exist","description":"A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of sending a SERVFAIL packet. Caching is not affected by this particular bug but see CVE-2019-10191.","publishedAt":"2019-07-16T17:50:05.000Z","updatedAt":"2025-02-13T16:27:20.781Z","severity":{"score":5.4,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","source":"redhat"},"assigner":"redhat","products":["CZ.NIC knot-resolver"],"affected":[{"vendor":"CZ.NIC","product":"knot-resolver","versions":[{"version":"from 3.2.0 before 4.1.0","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10190","https://www.knot-resolver.cz/2019-07-10-knot-resolver-4.1.0.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VZV5YZZ5766UIG2TFLFJL6EESQNAP5X5/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMSSWBHINIX4WE6UDXWM66L7JYEK6XS6/","https://lists.debian.org/debian-lts-announce/2024/04/msg00017.html"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T19:45:19.894Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/10xxx/CVE-2019-10190.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-10190","state":"PUBLISHED","datePublished":"2019-07-16T17:50:05.000Z","dateUpdated":"2025-02-13T16:27:20.781Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2019-03-27T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of sending a SERVFAIL packet. Caching is not affected by this particular bug but see CVE-2019-10191."}],"affected":[{"vendor":"CZ.NIC","product":"knot-resolver","versions":[{"version":"from 3.2.0 before 4.1.0","status":"affected"}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10190","tags":["x_refsource_CONFIRM"]},{"url":"https://www.knot-resolver.cz/2019-07-10-knot-resolver-4.1.0.html","tags":["x_refsource_CONFIRM"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VZV5YZZ5766UIG2TFLFJL6EESQNAP5X5/","name":"FEDORA-2019-fdb50c675d","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMSSWBHINIX4WE6UDXWM66L7JYEK6XS6/","name":"FEDORA-2019-20f95b0b39","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00017.html"}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","description":"CWE-20","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2024-04-26T07:06:05.111Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"datePublic":"2019-07-10T00:00:00.000Z"},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10190","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://www.knot-resolver.cz/2019-07-10-knot-resolver-4.1.0.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VZV5YZZ5766UIG2TFLFJL6EESQNAP5X5/","name":"FEDORA-2019-fdb50c675d","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMSSWBHINIX4WE6UDXWM66L7JYEK6XS6/","name":"FEDORA-2019-20f95b0b39","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00017.html","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T22:17:18.433Z"}}]}}}