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CVE-2021-43824

Status Candidate

Overview

Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions a crafted request crashes Envoy when a CONNECT request is sent to JWT filter configured with regex match. This provides a denial of service attack vector. The only workaround is to not use regex in the JWT filter. Users are advised to upgrade.

Related Files

Red Hat Security Advisory 2022-1275-01
Posted Apr 8, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1275-01 - Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation. This advisory covers the RPM packages for the release. Issues addressed include denial of service, null pointer, and use-after-free vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2021-43824, CVE-2021-43825, CVE-2021-43826, CVE-2022-21654, CVE-2022-21655, CVE-2022-23606, CVE-2022-23635, CVE-2022-24726
SHA-256 | 748dbb6e9cd1a9cb203193b2477b29545edda9e2c70331bda5771358e1f2c0c7
Red Hat Security Advisory 2022-1276-01
Posted Apr 8, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1276-01 - Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation. This advisory covers the RPM packages for the release. Issues addressed include denial of service, null pointer, and use-after-free vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2020-28851, CVE-2020-28852, CVE-2021-29482, CVE-2021-29923, CVE-2021-3121, CVE-2021-36221, CVE-2021-3749, CVE-2021-43565, CVE-2021-43824, CVE-2021-43825, CVE-2021-43826, CVE-2022-21654, CVE-2022-21655, CVE-2022-23606, CVE-2022-23635, CVE-2022-24726
SHA-256 | 0984d80a4f25b366027838992af94f44d04533e709937f467a1968a6659de964
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