CVE-2020-13529
Systemd
MEDIUM 6.1
En bref
- Source
- NVD
- EPSS
- EPSS 1.43 % · centile 73 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- talos
- Statut NVD
- Modified
Description
An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.
Faiblesses (CWE)
- CWE-290 — Contournement d'authentification par usurpation
Références
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142
- https://security.gentoo.org/glsa/202107-48
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
- http://www.openwall.com/lists/oss-security/2021/08/04/2
- http://www.openwall.com/lists/oss-security/2021/08/17/3
- http://www.openwall.com/lists/oss-security/2021/09/07/3
- https://security.netapp.com/advisory/ntap-20210625-0005/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.0 | MEDIUM 6.1 | CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H | talos |
| CVSS 3.1 | MEDIUM 6.1 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.0 | MEDIUM 6.1 | CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H | NVD · talos-cna@cisco.com (Secondary) |
| CVSS 2.0 | LOW 2.9 | AV:A/AC:M/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2020-5776
- GCVE · GCVE-0-2020-13529
Avis du CERT-FR
- CERTFR-2023-AVI-1015 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:systemd_project:systemd:245:-:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vsphere:*:*cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| Systemd | affected Canonical Ubuntu 20.04 LTS, Systemd 245 |
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 |