漏洞信息
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Vulnerability Title
Envoy RELEASE_ASSERT using auto_sni with :authority header > 255 bytes
Vulnerability Description
Envoy is a cloud-native, open source edge and service proxy. When an upstream TLS cluster is used with `auto_sni` enabled, a request containing a `host`/`:authority` header longer than 255 characters triggers an abnormal termination of Envoy process. Envoy does not gracefully handle an error when setting SNI for outbound TLS connection. The error can occur when Envoy attempts to use the `host`/`:authority` header value longer than 255 characters as SNI for outbound TLS connection. SNI length is limited to 255 characters per the standard. Envoy always expects this operation to succeed and abnormally aborts the process when it fails. This vulnerability is fixed in 1.30.1, 1.29.4, 1.28.3, and 1.27.5.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
对函数返回值的检查不正确
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 1.30.1之前、1.29.4之前、1.28.3之前、1.27.5之前版本存在安全漏洞，该漏洞源于当使用启用了 auto_sni 的上游 TLS 集群时，长度超过 255 个字符的 host/:authority 标头的请求会导致 Envoy 进程异常终止。
CVSS Information
N/A
Vulnerability Type
N/A