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CVE-2021-43825

Status Candidate

Overview

Envoy is an open source edge and service proxy, designed for cloud-native applications. Sending a locally generated response must stop further processing of request or response data. Envoy tracks the amount of buffered request and response data and aborts the request if the amount of buffered data is over the limit by sending 413 or 500 responses. However when the buffer overflows while response is processed by the filter chain the operation may not be aborted correctly and result in accessing a freed memory block. If this happens Envoy will crash resulting in a denial of service.

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
Download | Favorite | View
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
Download | Favorite | View
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