CVE-2017-15105 — Vulnetix

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CVE-2017-15105 PUBLISHED

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.

EPSS 0.69% · 71.6th percentile

Risk Scores

EPSS Score

0.69%

71.6th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:14.04:LTS	unbound	0, 1.4.20-1, 1.4.21-1
Ubuntu:16.04:LTS	unbound	0, 1.4.22-1ubuntu6, 1.5.7-1ubuntu1
Ubuntu:18.04:LTS	unbound	0, 1.6.5-1, 1.6.7-1

Timeline

Jan 23, 2018 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Nov 1, 2022 EPSS Score
Jan 2, 2023 EPSS Score
Mar 5, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2017-15105 third-party-advisory
https://unbound.net/downloads/CVE-2017-15105.txt third-party-advisory
https://ubuntu.com/security/notices/USN-3673-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2017-15105 third-party-advisory

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