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CVE-2019-18838

Status Candidate

Overview

An issue was discovered in Envoy 1.12.0. Upon receipt of a malformed HTTP request without a Host header, it sends an internally generated "Invalid request" response. This internally generated response is dispatched through the configured encoder filter chain before being sent to the client. An encoder filter that invokes route manager APIs that access a request's Host header causes a NULL pointer dereference, resulting in abnormal termination of the Envoy process.

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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