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CVE-2018-16738

Published: 10 October 2018

tinc 1.0.30 through 1.0.34 has a broken authentication protocol, although there is a partial mitigation. This is fixed in 1.1.

From the Ubuntu Security Team

The authentication protocol allows an oracle attack that could potentially be exploited.

Priority

Medium

Cvss 3 Severity Score

3.7

Score breakdown

Status

Package Release Status
tinc
Launchpad, Ubuntu, Debian
bionic Needed

cosmic Ignored
(end of life)
disco Not vulnerable
(1.0.35-2)
eoan Not vulnerable
(1.0.35-2build1)
groovy Not vulnerable
(1.0.35-2build1)
hirsute Not vulnerable
(1.0.35-2build1)
xenial Needed

jammy Not vulnerable
(1.0.35-2build1)
kinetic Not vulnerable
(1.0.35-2build1)
lunar Not vulnerable
(1.0.35-2build1)
focal Not vulnerable
(1.0.35-2build1)
impish Not vulnerable
(1.0.35-2build1)
trusty Does not exist
(trusty was needed)
upstream
Released (1.0.35-1)
mantic Not vulnerable
(1.0.35-2build1)

Severity score breakdown

Parameter Value
Base score 3.7
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N