CVE-2021-3671
Samba
MEDIUM 6.5
En bref
- Source
- NVD
- EPSS
- EPSS 2.12 % · centile 82 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- redhat
- Statut NVD
- Modified
Description
A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash the samba server.
Faiblesses (CWE)
- CWE-476 — Déréférencement de pointeur nul
Références
- https://bugzilla.redhat.com/show_bug.cgi?id=2013080%2C
- https://bugzilla.samba.org/show_bug.cgi?id=14770%2C
- https://github.com/heimdal/heimdal/commit/04171147948d0a3636bc6374181926f0fb2ec83a
- https://www.debian.org/security/2022/dsa-5287
- https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html
- https://security.netapp.com/advisory/ntap-20221215-0002/
- https://security.netapp.com/advisory/ntap-20230216-0008/
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| 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 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-2021-26963
- GCVE · GCVE-0-2021-3671
Avis du CERT-FR
- CERTFR-2024-AVI-0067 — Multiples vulnérabilités dans les produits NetApp · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*< 4.13.12cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*≥ 4.14.0 < 4.14.8cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*cpe:2.3:a:netapp:management_services_for_element_software:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:management_services_for_netapp_hci:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| Samba | affected Fixed in samba 4.13.12, samba 4.14.8 |
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 |