Samba
At a glance
- Source
- NVD
- EPSS
- EPSS 3.87 % · percentile 90 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Modified
Description
A flaw was found in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 in the way it processed NetBios over TCP/IP. This flaw allows a remote attacker could to cause the Samba server to consume excessive CPU use, resulting in a denial of service. This highest threat from this vulnerability is to system availability.
Weaknesses (CWE)
- CWE-400 — Uncontrolled Resource Consumption
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1849491%3B
- https://www.samba.org/samba/security/CVE-2020-10745.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
- https://security.gentoo.org/glsa/202007-15
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
- https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | HIGH 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-3166
- GCVE · GCVE-0-2020-10745
CERT-FR advisories
- CERTFR-2020-AVI-406 — Multiples vulnérabilités dans Samba · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*≥ 4.0.0 < 4.10.17cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*≥ 4.11.0 < 4.11.11cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*≥ 4.12.0 < 4.12.4cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Samba | affected All Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |