Description

Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions of Envoy a crash occurs when configured for :ref:`upstream tunneling <envoy_v3_api_field_extensions.filters.network.tcp_proxy.v3.TcpProxy.tunneling_config>` and the downstream connection disconnects while the the upstream connection or http/2 stream is still being established. There are no workarounds for this issue. Users are advised to upgrade.

Remediation

References

CVE-2021-43826

Related Vulnerabilities

Apache HTTP Server Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2007-6421)

SugarCRM Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2011-3803)

PostgreSQL Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2017-7486)

PostgreSQL Permissions, Privileges, and Access Controls Vulnerability (CVE-2006-0553)

Joomla! Core 3.x.x Cross-Site Request Forgery (3.7.0 - 3.9.18)

Severity

High

Classification

CVE-2021-43826 CWE-416 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Tags

Missing Update Known Vulnerabilities