CVE-2020-35470 Information

Description

Envoy before 1.16.1 logs an incorrect downstream address because it considers only the directly connected peer not the information in the proxy protocol header. This affects situations with tcp-proxy as the network filter (not HTTP filters).

CVSS Vector

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

Reference

https://github.com/envoyproxy/envoy/compare/v1.16.0…v1.16.1 https://github.com/envoyproxy/envoy/issues/14087 https://github.com/envoyproxy/envoy/pull/14131

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8