CVE-2024-53270 — HTTP/1: sending overload crashes when the request is reset beforehand in envoy

Description (CNA)

Envoy is a cloud-native high-performance edge/middle/service proxy. In affected versions `sendOverloadError` is going to assume the active request exists when `envoy.load_shed_points.http1_server_abort_dispatch` is configured. If `active_request` is nullptr, only onMessageBeginImpl() is called. However, the `onMessageBeginImpl` will directly return ok status if the stream is already reset leading to the nullptr reference. The downstream reset can actually happen during the H/2 upstream reset. As a result envoy may crash. This issue has been addressed in releases 1.32.3, 1.31.5, 1.30.9, and 1.29.12. Users are advised to upgrade. Users unable to upgrade may disable `http1_server_abort_dispatch` load shed point and/or use a high threshold.

Affected (CNA)

Vendor / product	Versions
envoyproxy / envoy	affected >= 1.32.0, < 1.32.3; affected >= 1.31.0, < 1.31.5; affected >= 1.30.0, < 1.30.9; affected < 1.29.12

CWE

CWE-670

References

ADP enrichment

CISA-ADP

No English description supplied.

https://github.com/envoyproxy/envoy/security/advisories/GHSA-q9qv-8j52-77p3