{"id":"CVE-2017-15105","details":"A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.","modified":"2026-09-15T03:45:36.361447827Z","published":"2018-01-23T16:29:00.273Z","related":["openSUSE-SU-2024:11005-1"],"database_specific":{"unresolved_ranges":[{"source":"CPE_STRING","vendor_product":"canonical:ubuntu_linux","cpes":["cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"],"extracted_events":[{"introduced":"14.04"},{"last_affected":"14.04"},{"introduced":"16.04"},{"last_affected":"16.04"},{"introduced":"17.10"},{"last_affected":"17.10"},{"introduced":"18.04"},{"last_affected":"18.04"}]},{"vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"},{"introduced":"8.0"},{"last_affected":"8.0"}],"source":"CPE_STRING"}]},"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/102817"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3673-1/"},{"type":"FIX","url":"https://unbound.net/downloads/CVE-2017-15105.txt"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nlnetlabs/unbound","events":[{"introduced":"0"},{"fixed":"304e80213bed046779bc6deb1cc2a2c3ee968f20"}],"database_specific":{"cpe":"cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.6.8"}],"source":"CPE_RANGE"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-15105.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}