漏洞信息
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Vulnerability Title
Envoy forwards early CONNECT data in TCP proxy mode
Vulnerability Description
Envoy is a high-performance edge/middle/service proxy. In 1.33.12, 1.34.10, 1.35.6, 1.36.2, and earlier, when Envoy is configured in TCP proxy mode to handle CONNECT requests, it accepts client data before issuing a 2xx response and forwards that data to the upstream TCP connection. If a forwarding proxy upstream from Envoy then responds with a non-2xx status, this can cause a de-synchronized CONNECT tunnel state. By default Envoy continues to allow early CONNECT data to avoid disrupting existing deployments. The envoy.reloadable_features.reject_early_connect_data runtime flag can be set to reject CONNECT requests that send data before a 2xx response when intermediaries upstream from Envoy may reject establishment of a CONNECT tunnel.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Vulnerability Type
保护机制失效
Vulnerability Title
Envoy 安全漏洞
Vulnerability Description
Envoy是Enphase开源的一款用于连接智能家居设备的网关程序。 Envoy 1.33.12版本、1.34.10版本、1.35.6版本、1.36.2版本及之前版本存在安全漏洞,该漏洞源于TCP代理模式下处理CONNECT请求时存在状态不同步问题。
CVSS Information
N/A
Vulnerability Type
N/A