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CVE-2024-53270
Date: December 18, 2024
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.
Language: C++
Severity Score
Severity Score
Weakness Type (CWE)
Always-Incorrect Control Flow Implementation
CWE-670CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | HIGH |