CVE-2018-16860
CVE-2018-16860
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 7.5 · High · EPSS 2.5% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
samba
- Versions
- 4.8.x up to, excluding 4.8.12: Affected
- 4.9.x up to, excluding 4.9.8: Affected
- 4.10.x up to, excluding 4.10.3: Affected
No fix published
heimdal Debian:12
- Affected ranges
- ECOSYSTEM: < 7.5.0+dfsg-3
Update to 7.5.0+dfsg-3
heimdal Debian:13
- Affected ranges
- ECOSYSTEM: < 7.5.0+dfsg-3
Update to 7.5.0+dfsg-3
heimdal Debian:14
- Affected ranges
- ECOSYSTEM: < 7.5.0+dfsg-3
Update to 7.5.0+dfsg-3
samba Debian:12
- Affected ranges
- ECOSYSTEM: < 2:4.9.5+dfsg-4
Update to 2:4.9.5+dfsg-4
samba Debian:13
- Affected ranges
- ECOSYSTEM: < 2:4.9.5+dfsg-4
Update to 2:4.9.5+dfsg-4
samba Debian:14
- Affected ranges
- ECOSYSTEM: < 2:4.9.5+dfsg-4
Update to 2:4.9.5+dfsg-4
heimdal Ubuntu:Pro:14.04:LTS
- Versions
- 1.6~git20120403+dfsg1-3ubuntu0.1
- 1.6~git20120403+dfsg1-3ubuntu0.2
- 1.6~git20131207+dfsg-1ubuntu1
- 1.6~git20131207+dfsg-1ubuntu1.1
- 1.6~git20131207+dfsg-1ubuntu1.2
- Affected ranges
- ECOSYSTEM: < 1.6~git20131207+dfsg-1ubuntu1.2+esm1
Update to 1.6~git20131207+dfsg-1ubuntu1.2+esm1
samba Ubuntu:Pro:14.04:LTS
- Versions
- 2:3.6.18-1ubuntu3
- 2:4.0.10+dfsg-4ubuntu2
- 2:4.0.13+dfsg-1ubuntu1
- 2:4.1.3+dfsg-2ubuntu2
- 2:4.1.3+dfsg-2ubuntu3
- 2:4.1.3+dfsg-2ubuntu4
- 2:4.1.3+dfsg-2ubuntu5
- 2:4.1.6+dfsg-1ubuntu1
- 2:4.1.6+dfsg-1ubuntu2
- 2:4.1.6+dfsg-1ubuntu2.14.04.1
- 2:4.1.6+dfsg-1ubuntu2.14.04.2
- 2:4.1.6+dfsg-1ubuntu2.14.04.3
- 2:4.1.6+dfsg-1ubuntu2.14.04.4
- 2:4.1.6+dfsg-1ubuntu2.14.04.5
- 2:4.1.6+dfsg-1ubuntu2.14.04.7
- 2:4.1.6+dfsg-1ubuntu2.14.04.8
- 2:4.1.6+dfsg-1ubuntu2.14.04.9
- 2:4.1.6+dfsg-1ubuntu2.14.04.11
- 2:4.1.6+dfsg-1ubuntu2.14.04.12
- 2:4.1.6+dfsg-1ubuntu2.14.04.13
- 2:4.3.8+dfsg-0ubuntu0.14.04.2
- 2:4.3.9+dfsg-0ubuntu0.14.04.1
- 2:4.3.9+dfsg-0ubuntu0.14.04.3
- 2:4.3.11+dfsg-0ubuntu0.14.04.1
- 2:4.3.11+dfsg-0ubuntu0.14.04.2
- 2:4.3.11+dfsg-0ubuntu0.14.04.3
- 2:4.3.11+dfsg-0ubuntu0.14.04.4
- 2:4.3.11+dfsg-0ubuntu0.14.04.6
- 2:4.3.11+dfsg-0ubuntu0.14.04.7
- 2:4.3.11+dfsg-0ubuntu0.14.04.8
- 2:4.3.11+dfsg-0ubuntu0.14.04.9
- 2:4.3.11+dfsg-0ubuntu0.14.04.10
- 2:4.3.11+dfsg-0ubuntu0.14.04.11
- 2:4.3.11+dfsg-0ubuntu0.14.04.12
- 2:4.3.11+dfsg-0ubuntu0.14.04.13
- 2:4.3.11+dfsg-0ubuntu0.14.04.14
- 2:4.3.11+dfsg-0ubuntu0.14.04.16
- 2:4.3.11+dfsg-0ubuntu0.14.04.17
- 2:4.3.11+dfsg-0ubuntu0.14.04.19
- 2:4.3.11+dfsg-0ubuntu0.14.04.20
- Affected ranges
- ECOSYSTEM: < 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1
Update to 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1
samba Ubuntu:16.04:LTS
- Versions
- 2:4.1.17+dfsg-4ubuntu2
- 2:4.1.20+dfsg-1ubuntu1
- 2:4.1.20+dfsg-1ubuntu2
- 2:4.1.20+dfsg-1ubuntu3
- 2:4.1.20+dfsg-1ubuntu5
- 2:4.3.3+dfsg-1ubuntu1
- 2:4.3.3+dfsg-1ubuntu2
- 2:4.3.3+dfsg-1ubuntu3
- 2:4.3.6+dfsg-1ubuntu1
- 2:4.3.8+dfsg-0ubuntu1
- 2:4.3.9+dfsg-0ubuntu0.16.04.1
- 2:4.3.9+dfsg-0ubuntu0.16.04.2
- 2:4.3.9+dfsg-0ubuntu0.16.04.3
- 2:4.3.11+dfsg-0ubuntu0.16.04.1
- 2:4.3.11+dfsg-0ubuntu0.16.04.3
- 2:4.3.11+dfsg-0ubuntu0.16.04.5
- 2:4.3.11+dfsg-0ubuntu0.16.04.6
- 2:4.3.11+dfsg-0ubuntu0.16.04.7
- 2:4.3.11+dfsg-0ubuntu0.16.04.8
- 2:4.3.11+dfsg-0ubuntu0.16.04.9
- 2:4.3.11+dfsg-0ubuntu0.16.04.10
- 2:4.3.11+dfsg-0ubuntu0.16.04.11
- 2:4.3.11+dfsg-0ubuntu0.16.04.12
- 2:4.3.11+dfsg-0ubuntu0.16.04.13
- 2:4.3.11+dfsg-0ubuntu0.16.04.15
- 2:4.3.11+dfsg-0ubuntu0.16.04.16
- 2:4.3.11+dfsg-0ubuntu0.16.04.17
- 2:4.3.11+dfsg-0ubuntu0.16.04.18
- 2:4.3.11+dfsg-0ubuntu0.16.04.19
- Affected ranges
- ECOSYSTEM: < 2:4.3.11+dfsg-0ubuntu0.16.04.20
Update to 2:4.3.11+dfsg-0ubuntu0.16.04.20
heimdal Ubuntu:Pro:16.04:LTS
- Versions
- 1.6~rc2+dfsg-10ubuntu1
- 1.7~git20150920+dfsg-4ubuntu1
- 1.7~git20150920+dfsg-4ubuntu1.16.04.1
- Affected ranges
- ECOSYSTEM: < 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1
Update to 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1
heimdal Ubuntu:18.04:LTS
- Versions
- 7.4.0.dfsg.1-2
- 7.5.0+dfsg-1
- Affected ranges
- ECOSYSTEM: < 7.5.0+dfsg-1ubuntu0.1
Update to 7.5.0+dfsg-1ubuntu0.1
samba Ubuntu:18.04:LTS
- Versions
- 2:4.6.7+dfsg-1ubuntu3
- 2:4.7.1+dfsg-1ubuntu1
- 2:4.7.3+dfsg-1ubuntu1
- 2:4.7.4+dfsg-1ubuntu1
- 2:4.7.6+dfsg~ubuntu-0ubuntu1
- 2:4.7.6+dfsg~ubuntu-0ubuntu2
- 2:4.7.6+dfsg~ubuntu-0ubuntu2.2
- 2:4.7.6+dfsg~ubuntu-0ubuntu2.4
- 2:4.7.6+dfsg~ubuntu-0ubuntu2.5
- 2:4.7.6+dfsg~ubuntu-0ubuntu2.6
- 2:4.7.6+dfsg~ubuntu-0ubuntu2.7
- 2:4.7.6+dfsg~ubuntu-0ubuntu2.9
- Affected ranges
- ECOSYSTEM: < 2:4.7.6+dfsg~ubuntu-0ubuntu2.10
Update to 2:4.7.6+dfsg~ubuntu-0ubuntu2.10
Original sources
- https://www.synology.com/security/advisory/Synology_SA_19_23
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16860
- https://www.samba.org/samba/security/CVE-2018-16860.html
- https://seclists.org/bugtraq/2019/Aug/25
- https://seclists.org/bugtraq/2019/Aug/22
- https://seclists.org/bugtraq/2019/Aug/23
- https://seclists.org/bugtraq/2019/Aug/21
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html
- http://seclists.org/fulldisclosure/2019/Aug/14
- http://seclists.org/fulldisclosure/2019/Aug/11
- http://seclists.org/fulldisclosure/2019/Aug/13
- http://seclists.org/fulldisclosure/2019/Aug/15
- https://support.apple.com/HT210346
- https://support.apple.com/HT210348
- https://support.apple.com/HT210351
- https://support.apple.com/HT210353
- https://security.gentoo.org/glsa/202003-52
- https://nvd.nist.gov/vuln/detail/CVE-2018-16860