CVE-2024-53270 (GCVE-0-2024-53270)
Vulnerability from cvelistv5
Published
2024-12-18 19:12
Modified
2024-12-18 21:35
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-670 - Always-Incorrect Control Flow Implementation
Summary
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.
References
Impacted products
Vendor Product Version
envoyproxy envoy Version: >= 1.32.0, < 1.32.3
Version: >= 1.31.0, < 1.31.5
Version: >= 1.30.0, < 1.30.9
Version: < 1.29.12
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