CVE-2019-18836 Information

Description

Envoy 1.12.0 allows a remote denial of service because of resource loops as demonstrated by a single idle TCP connection being able to keep a worker thread in an infinite busy loop when continue_on_listener_filters_timeout is used.\

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://blog.envoyproxy.io https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xvf-4396-cj46 https://github.com/istio/istio/issues/18229 https://groups.google.com/forum/!forum/envoy-users

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5