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
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)
|
|
| focal |
Not vulnerable
(1.0.35-2build1)
|
|
| groovy |
Not vulnerable
(1.0.35-2build1)
|
|
| hirsute |
Not vulnerable
(1.0.35-2build1)
|
|
| impish |
Not vulnerable
(1.0.35-2build1)
|
|
| jammy |
Not vulnerable
(1.0.35-2build1)
|
|
| kinetic |
Not vulnerable
(1.0.35-2build1)
|
|
| lunar |
Not vulnerable
(1.0.35-2build1)
|
|
| mantic |
Not vulnerable
(1.0.35-2build1)
|
|
| trusty |
Does not exist
(trusty was needed)
|
|
| upstream |
Released
(1.0.35-1)
|
|
| xenial |
Needed
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.9 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |