CVE-2017-15105

Description

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.

References

https://usn.ubuntu.com/3673-1/

https://unbound.net/downloads/CVE-2017-15105.txt

https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html

https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html

http://www.securityfocus.com/bid/102817

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3