CVE-2019-14861
In AD, the default permissions on the DNS partition allow creation of new records by authenticated users.
Does this matter?
Lower severity and a low EPSS score (2.30%). Track it; it rarely justifies an emergency change on its own.
Description
All Samba versions 4.x.x before 4.9.17, 4.10.x before 4.10.11 and 4.11.x before 4.11.3 have an issue, where the (poorly named) dnsserver RPC pipe provides administrative facilities to modify DNS records and zones. Samba, when acting as an AD DC, stores DNS records in LDAP. In AD, the default permissions on the DNS partition allow creation of new records by authenticated users. This is used for example to allow machines to self-register in DNS. If a DNS record was created that case-insensitively matched the name of the zone, the ldb_qsort() and dns_name_compare() routines could be confused into reading memory prior to the list of DNS entries when responding to DnssrvEnumRecords() or DnssrvEnumRecords2() and so following invalid memory as a pointer.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.30% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-276
- Affected
- samba/samba · fedoraproject/fedora · canonical/ubuntu linux · opensuse/leap · debian/debian linux
- Source
- secalert@redhat.com
EPSS 2.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00038.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2024/06/24/3
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14861Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/05/msg00023.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PJH3ROOFYMOATD2UEPC47P5RPBDTY77E/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNKA4YIPV7AZR7KK3GW6L3HKGHSGJZFE/
- https://security.gentoo.org/glsa/202003-52Third Party Advisory
- https://security.netapp.com/advisory/ntap-20191210-0002/Third Party Advisory
- https://usn.ubuntu.com/4217-1/Third Party Advisory
- https://usn.ubuntu.com/4217-2/Third Party Advisory
- https://www.samba.org/samba/security/CVE-2019-14861.htmlVendor Advisory
- https://www.synology.com/security/advisory/Synology_SA_19_40Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00038.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2024/06/24/3
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14861Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/05/msg00023.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PJH3ROOFYMOATD2UEPC47P5RPBDTY77E/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNKA4YIPV7AZR7KK3GW6L3HKGHSGJZFE/
- https://security.gentoo.org/glsa/202003-52Third Party Advisory
- https://security.netapp.com/advisory/ntap-20191210-0002/Third Party Advisory
- https://usn.ubuntu.com/4217-1/Third Party Advisory
- https://usn.ubuntu.com/4217-2/Third Party Advisory
- https://www.samba.org/samba/security/CVE-2019-14861.htmlVendor Advisory
- https://www.synology.com/security/advisory/Synology_SA_19_40Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.