CVE-2018-16860
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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.48% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 84.2% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-07-31 14:38Z7 YR AGO
- Last updated
- 2024-08-05 10:32Z2 YR AGO
- Reserved
- 2018-09-11
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-358Improperly Implemented Security Check for StandardBase
- Data version
- 5.1
- Document digest
- 5eb1333de2ef5057eb11a73572c7bc3355ccdb6d2e8650603eac610f2dd0b30d
05 Affected products
06 References
- www.synology.comhttps://www.synology.com/security/advisory/Synology_SA_19_23
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16860
- www.samba.orghttps://www.samba.org/samba/security/CVE-2018-16860.html
- seclists.org20190814 APPLE-SA-2019-8-13-2 Additional information for APPLE-SA-2019-7-22-1 iOS 12.4https://seclists.org/bugtraq/2019/Aug/25
- seclists.org20190814 APPLE-SA-2019-8-13-3 Additional information for APPLE-SA-2019-7-22-4 watchOS 5.3https://seclists.org/bugtraq/2019/Aug/22
- seclists.org20190814 APPLE-SA-2019-8-13-4 Additional information for APPLE-SA-2019-7-22-5 tvOS 12.4https://seclists.org/bugtraq/2019/Aug/23
- seclists.org20190814 APPLE-SA-2019-8-13-1 Additional information for APPLE-SA-2019-7-22-2 macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierrahttps://seclists.org/bugtraq/2019/Aug/21
- lists.opensuse.orgopenSUSE-SU-2019:1888http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html
- seclists.org20190816 APPLE-SA-2019-8-13-3 Additional information for APPLE-SA-2019-7-22-4 watchOS 5.3http://seclists.org/fulldisclosure/2019/Aug/14
- seclists.org20190816 APPLE-SA-2019-8-13-1 Additional information for APPLE-SA-2019-7-22-2 macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierrahttp://seclists.org/fulldisclosure/2019/Aug/11
- seclists.org20190816 APPLE-SA-2019-8-13-2 Additional information for APPLE-SA-2019-7-22-1 iOS 12.4http://seclists.org/fulldisclosure/2019/Aug/13
- seclists.org20190816 APPLE-SA-2019-8-13-4 Additional information for APPLE-SA-2019-7-22-5 tvOS 12.4http://seclists.org/fulldisclosure/2019/Aug/15
- support.apple.comhttps://support.apple.com/HT210346
- support.apple.comhttps://support.apple.com/HT210348
- support.apple.comhttps://support.apple.com/HT210351
- support.apple.comhttps://support.apple.com/HT210353
- security.gentoo.orgGLSA-202003-52https://security.gentoo.org/glsa/202003-52
07 Fixed in
Debian 12
- heimdal Fixed in 7.5.0+dfsg-3
- samba Fixed in 2:4.9.5+dfsg-4
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- heimdal Fixed in 7.5.0+dfsg-3
- samba Fixed in 2:4.9.5+dfsg-4
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- heimdal Fixed in 7.5.0+dfsg-3
- samba Fixed in 2:4.9.5+dfsg-4
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- samba Fixed in 2:4.3.11+dfsg-0ubuntu0.16.04.20
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- heimdal Fixed in 7.5.0+dfsg-1ubuntu0.1
- samba Fixed in 2:4.7.6+dfsg~ubuntu-0ubuntu2.10
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- heimdal Fixed in 1.6~git20131207+dfsg-1ubuntu1.2+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- samba Fixed in 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- heimdal Fixed in 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.