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CVE-2019-18801

Status Candidate

Overview

An issue was discovered in Envoy 1.12.0. An untrusted remote client may send HTTP/2 requests that write to the heap outside of the request buffers when the upstream is HTTP/1. This may be used to corrupt nearby heap contents (leading to a query-of-death scenario) or may be used to bypass Envoy's access control mechanisms such as path based routing. An attacker can also modify requests from other users that happen to be proximal temporally and spatially.

Related Files

Red Hat Security Advisory 2019-4222-01
Posted Dec 12, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-4222-01 - 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 OpenShift Service Mesh 1.0.3 release. Issues addressed include bypass and information leakage vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2019-18801, CVE-2019-18802, CVE-2019-18838
SHA-256 | b2a1a71b3240fd4a5eecdd501cf50521834ef92d4f127b8c561957c5713f4807
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