CVE-2020-1763
the libreswan Project libreswan
HIGH 7.5
En bref
- Source
- NVD
- EPSS
- EPSS 3.57 % · centile 89 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- redhat
- Statut NVD
- Modified
Description
An out-of-bounds buffer read flaw was found in the pluto daemon of libreswan from versions 3.27 till 3.31 where, an unauthenticated attacker could use this flaw to crash libreswan by sending specially-crafted IKEv1 Informational Exchange packets. The daemon respawns after the crash.
Faiblesses (CWE)
- CWE-125 — Lecture hors limites
Références
- https://libreswan.org/security/CVE-2020-1763/CVE-2020-1763.txt
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1763
- https://bugzilla.redhat.com/show_bug.cgi?id=1813329
- https://github.com/libreswan/libreswan/commit/471a3e41a449d7c753bc4edbba4239501bb62ba8
- https://www.debian.org/security/2020/dsa-4684
- https://security.gentoo.org/glsa/202007-21
- https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| 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 | redhat |
| 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 · secalert@redhat.com (Secondary) |
| 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 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2020-12590
- GCVE · GCVE-0-2020-1763
Avis du CERT-FR
- CERTFR-2021-AVI-094 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*≥ 3.27 ≤ 3.31cpe:2.3:a:libreswan:libreswan:3.5:*:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| the libreswan Project · libreswan | affected from versions 3.27 till 3.31 |
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 |