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Ubuntu: USN-3673-1 (CVE-2017-15105): Unbound vulnerability

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Ubuntu: USN-3673-1 (CVE-2017-15105): Unbound vulnerability

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
10/08/2017
Created
07/25/2018
Added
06/13/2018
Modified
03/02/2020

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.

Solution(s)

  • ubuntu-upgrade-libunbound2
  • ubuntu-upgrade-unbound

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