MEDIUM5.3
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.
CVSS 2.0MEDIUM 5.0
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:P/A:NCVSS 3.xMEDIUM 5.3
CVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NReferences
- http://www.securityfocus.com/bid/102817
- https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html
- https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html
- https://unbound.net/downloads/CVE-2017-15105.txt
- https://usn.ubuntu.com/3673-1/
- http://www.securityfocus.com/bid/102817
- https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html
- https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html
- https://unbound.net/downloads/CVE-2017-15105.txt
- https://usn.ubuntu.com/3673-1/