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CVE-2023-35945

Status Candidate

Overview

Envoy is a cloud-native high-performance edge/middle/service proxy. Envoy’s HTTP/2 codec may leak a header map and bookkeeping structures upon receiving `RST_STREAM` immediately followed by the `GOAWAY` frames from an upstream server. In nghttp2, cleanup of pending requests due to receipt of the `GOAWAY` frame skips de-allocation of the bookkeeping structure and pending compressed header. The error return [code path] is taken if connection is already marked for not sending more requests due to `GOAWAY` frame. The clean-up code is right after the return statement, causing memory leak. Denial of service through memory exhaustion. This vulnerability was patched in versions(s) 1.26.3, 1.25.8, 1.24.9, 1.23.11.

Related Files

Red Hat Security Advisory 2023-4624-01
Posted Aug 14, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4624-01 - 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. Issues addressed include a memory leak vulnerability.

tags | advisory, memory leak
systems | linux, redhat
advisories | CVE-2023-2828, CVE-2023-35941, CVE-2023-35942, CVE-2023-35943, CVE-2023-35944, CVE-2023-35945
SHA-256 | e0f5c7eca180931c2dd41e9bf1359f55373aefa75a8399a487be13af264d36ef
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