{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2019-10190", "ASSIGNER": "secalert@redhat.com", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "CZ.NIC", "product": { "product_data": [ { "product_name": "knot-resolver", "version": { "version_data": [ { "version_value": "from 3.2.0 before 4.1.0" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-20" } ] } ] }, "references": { "reference_data": [ { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10190", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10190", "refsource": "CONFIRM" }, { "url": "https://www.knot-resolver.cz/2019-07-10-knot-resolver-4.1.0.html", "refsource": "CONFIRM", "name": "https://www.knot-resolver.cz/2019-07-10-knot-resolver-4.1.0.html" }, { "refsource": "FEDORA", "name": "FEDORA-2019-fdb50c675d", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VZV5YZZ5766UIG2TFLFJL6EESQNAP5X5/" }, { "refsource": "FEDORA", "name": "FEDORA-2019-20f95b0b39", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMSSWBHINIX4WE6UDXWM66L7JYEK6XS6/" } ] }, "description": { "description_data": [ { "lang": "eng", "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." } ] }, "impact": { "cvss": [ [ { "vectorString": "5.4/CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.0" } ] ] } }