漏洞信息
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Vulnerability Title
Use after free in Envoy
Vulnerability Description
Envoy is a cloud-native high-performance edge/middle/service proxy. In versions prior to 1.22.1 if Envoy attempts to send an internal redirect of an HTTP request consisting of more than HTTP headers, there’s a lifetime bug which can be triggered. If while replaying the request Envoy sends a local reply when the redirect headers are processed, the downstream state indicates that the downstream stream is not complete. On sending the local reply, Envoy will attempt to reset the upstream stream, but as it is actually complete, and deleted, this result in a use-after-free. Users are advised to upgrade. Users unable to upgrade are advised to disable internal redirects if crashes are observed.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
释放后使用
Vulnerability Title
Envoy 资源管理错误漏洞
Vulnerability Description
Envoy是一款开源的分布式代理服务器。 Envoy 1.22.1 之前的版本存在安全漏洞,该漏洞源于Envoy 内部重定向带有正文或预告片的请求是不安全的。攻击者利用该漏洞可以使服务崩溃。
CVSS Information
N/A
Vulnerability Type
N/A