CVE-2018-16860
Published: 14 May 2019
A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
heimdal Launchpad, Ubuntu, Debian |
bionic |
Released
(7.5.0+dfsg-1ubuntu0.1)
|
| cosmic |
Ignored
(reached end-of-life)
|
|
| disco |
Ignored
(reached end-of-life)
|
|
| eoan |
Not vulnerable
(7.5.0+dfsg-3build1)
|
|
| focal |
Not vulnerable
(7.5.0+dfsg-3build1)
|
|
| groovy |
Not vulnerable
(7.5.0+dfsg-3build1)
|
|
| hirsute |
Not vulnerable
(7.5.0+dfsg-3build1)
|
|
| impish |
Not vulnerable
(7.5.0+dfsg-3build1)
|
|
| jammy |
Not vulnerable
(7.5.0+dfsg-3build1)
|
|
| kinetic |
Not vulnerable
(7.5.0+dfsg-3build1)
|
|
| precise |
Ignored
(end of ESM support, was needed)
|
|
| trusty |
Released
(1.6~git20131207+dfsg-1ubuntu1.2+esm1)
|
|
| upstream |
Released
(7.6, 7.5.0+dfsg-3, 7.1.0+dfsg-13+deb9u3)
|
|
| xenial |
Released
(1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1)
|
|
|
Patches: upstream: https://github.com/heimdal/heimdal/commit/c6257cc2c842c0faaeb4ef34e33890ee88c4cbba |
||
|
samba Launchpad, Ubuntu, Debian |
bionic |
Released
(2:4.7.6+dfsg~ubuntu-0ubuntu2.10)
|
| cosmic |
Released
(2:4.8.4+dfsg-2ubuntu2.4)
|
|
| disco |
Released
(2:4.10.0+dfsg-0ubuntu2.1)
|
|
| focal |
Released
(2:4.10.0+dfsg-0ubuntu2.1)
|
|
| jammy |
Released
(2:4.10.0+dfsg-0ubuntu2.1)
|
|
| kinetic |
Released
(2:4.10.0+dfsg-0ubuntu2.1)
|
|
| precise |
Released
(2:3.6.25-0ubuntu0.12.04.18)
|
|
| trusty |
Released
(2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(2:4.3.11+dfsg-0ubuntu0.16.04.20)
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |