CVE-2021-43826
Crash when tunneling TCP over HTTP in Envoy
HIGH 7.5
En bref
- Source
- NVD
- EPSS
- EPSS 1.06 % · centile 64 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- GitHub_M
- Statut NVD
- Modified
Description
Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions of Envoy a crash occurs when configured for :ref:`upstream tunneling <envoy_v3_api_field_extensions.filters.network.tcp_proxy.v3.TcpProxy.tunneling_config>` and the downstream connection disconnects while the the upstream connection or http/2 stream is still being established. There are no workarounds for this issue. Users are advised to upgrade.
Faiblesses (CWE)
- CWE-416 — Utilisation après libération
Références
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 | GitHub_M |
| 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 · security-advisories@github.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 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2021-30706
- GCVE · GCVE-0-2021-43826
Configurations affectées (CPE NVD)
cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*< 1.18.6cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*≥ 1.19.0 < 1.19.3cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*≥ 1.20.0 < 1.20.2cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*≥ 1.21.0 < 1.21.1
Produits affectés
| Produit | Versions |
|---|---|
| envoyproxy · envoy | affected < 1.18.6 ; affected >= 1.19.0, < 1.19.3 ; affected >= 1.20.0, < 1.20.2 ; affected >= 1.21.0, < 1.21.1 |
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 |
| 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 |