[UNKNOWN] samba
En bref
- Source
- NVD
- EPSS
- EPSS 4.59 % · centile 92 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- redhat
- Statut NVD
- Modified
Description
Samba from version 4.3.0 and before versions 4.7.12, 4.8.7 and 4.9.3 are vulnerable to a denial of service. When configured to accept smart-card authentication, Samba's KDC will call talloc_free() twice on the same memory if the principal in a validly signed certificate does not match the principal in the AS-REQ. This is only possible after authentication with a trusted certificate. talloc is robust against further corruption from a double-free with talloc_free() and directly calls abort(), terminating the KDC process.
Faiblesses (CWE)
Références
- http://www.securityfocus.com/bid/106023
- https://usn.ubuntu.com/3827-2/
- https://usn.ubuntu.com/3827-1/
- https://security.netapp.com/advisory/ntap-20181127-0001/
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16841
- https://www.debian.org/security/2018/dsa-4345
- https://www.samba.org/samba/security/CVE-2018-16841.html
- https://security.gentoo.org/glsa/202003-52
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.0 | MEDIUM 5.7 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H | redhat |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.0 | MEDIUM 5.7 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H | NVD · secalert@redhat.com (Secondary) |
| CVSS 2.0 | MEDIUM 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2018-8637
- GCVE · GCVE-0-2018-16841
Avis du CERT-FR
- CERTFR-2018-AVI-571 — Multiples vulnérabilités dans Samba · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*≥ 4.3.0 < 4.7.12cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*≥ 4.8.0 < 4.8.7cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*≥ 4.9.0 < 4.9.3cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| [UNKNOWN] · samba | affected 4.7.12 ; affected 4.8.7 ; affected 4.9.3 |
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 |