CVE-2017-18922
En bref
- Source
- NVD
- EPSS
- EPSS 2.26 % · centile 83 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- mitre
- Statut NVD
- Modified
Description
It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow.
Faiblesses (CWE)
- CWE-787 — Écriture hors limites
Références
- https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433
- https://www.openwall.com/lists/oss-security/2020/06/30/2
- https://bugzilla.redhat.com/show_bug.cgi?id=1852356
- http://www.openwall.com/lists/oss-security/2020/06/30/3
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/
- https://usn.ubuntu.com/4407-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | HIGH 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2017-10012
- GCVE · GCVE-0-2017-18922
Avis du CERT-FR
- CERTFR-2021-AVI-949 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:*< 0.9.12cpe: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:19.10:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*≥ 3.0.0.0 < 3.2.1.0cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*≥ 3.0.0.0 < 3.2.1.0cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*≥ 3.0.0.0 < 3.2.1.0cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*≥ 3.0.0.0 < 3.2.1.0cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*≥ 3.0.0.0 < 3.2.1.0cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*≥ 3.0.0.0 < 3.2.1.0
Produits affectés
| Produit | Versions |
|---|---|
| affected n/a |
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 |