CVE-2024-34362

Envoy affected by a crash (use-after-free) in EnvoyQuicServerStream

Published Jun 4, 2024 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Description
Envoy is a cloud-native, open source edge and service proxy. There is a use-after-free in `HttpConnectionManager` (HCM) with `EnvoyQuicServerStream` that can crash Envoy. An attacker can exploit this vulnerability by sending a request without `FIN`, then a `RESET_STREAM` frame, and then after receiving the response, closing the connection.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-34735 Envoy is a cloud-native, open source edge and service proxy. There is a use-after-free in `HttpConnectionManager` (HCM) with `EnvoyQuicServerStream` that can crash Envoy. An attacker can exploit this vulnerability by sending a request without `FIN`, then a `RESET_STREAM` frame, and then after receiving the response, closing the connection.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics epss

{'score': 0.00016}

epss

{'score': 0.00015}

Type Values Removed Values Added
Metrics epss

{'score': 0.00014}

epss

{'score': 0.00016}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 5, 2026, 3:57 PM
Reserved
May 2, 2024, 6:36 AM
Status
Modified
Published
Jun 4, 2024, 9:15 PM
Modified
Nov 5, 2026, 4:17 PM
Severity
Moderate
Public date
Jun 4, 2024, 12:00 AM