CVE-2017-15107

Published: 23 January 2018

A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist.

Priority

Low

CVSS 3 base score: 7.5

Status

Package Release Status
dnsmasq
Launchpad, Ubuntu, Debian
Upstream
Released (2.79-1)
Ubuntu 20.10 (Groovy Gorilla) Not vulnerable
(2.79-1)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(2.79-1)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(2.79-1)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (2.75-1ubuntu0.16.04.10)
Ubuntu 14.04 ESM (Trusty Tahr) Not vulnerable
(code not present)
Patches:
Upstream: http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=4fe6744a220eddd3f1749b40cac3dfc510787de6
Upstream: http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=cd7df612b14ec1bf831a966ccaf076be0dae7404