CVE-2018-16758

Published: 10 October 2018

Missing message authentication in the meta-protocol in Tinc VPN version 1.0.34 and earlier allows a man-in-the-middle attack to disable the encryption of VPN packets.

From the Ubuntu security team

Prevent a MITM from forcing a NULL cipher for UDP

Priority

Medium

CVSS 3 base score: 5.9

Status

Package Release Status
tinc
Launchpad, Ubuntu, Debian
Upstream
Released (1.0.35-1)
Ubuntu 21.10 (Impish Indri) Not vulnerable
(1.0.35-2build1)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(1.0.35-2build1)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(1.0.35-2build1)
Ubuntu 18.04 LTS (Bionic Beaver) Needed

Ubuntu 16.04 ESM (Xenial Xerus) Ignored
(end of standard support, was needed)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needed)