Vulnerability Information
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Vulnerability Title
Crash when a cluster is deleted in Envoy
Vulnerability Description
Envoy is an open source edge and service proxy, designed for cloud-native applications. When a cluster is deleted via Cluster Discovery Service (CDS) all idle connections established to endpoints in that cluster are disconnected. A recursion was introduced in the procedure of disconnecting idle connections that can lead to stack exhaustion and abnormal process termination when a cluster has a large number of idle connections. This infinite recursion causes Envoy to crash. Users are advised to upgrade.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
未经控制的递归
Vulnerability Title
Envoy 安全漏洞
Vulnerability Description
Envoy是一款开源的分布式代理服务器。 Envoy 存在安全漏洞，该漏洞源于当通过集群发现服务 (CDS) 删除集群时，与该集群中的端点建立的所有空闲连接都将断开连接。 在断开空闲连接的过程中引入了递归，当集群有大量空闲连接时，可能导致堆栈耗尽和进程异常终止。 这种无限递归导致 Envoy 崩溃。 建议用户升级。
CVSS Information
N/A
Vulnerability Type
N/A