漏洞信息
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Vulnerability Title
Envoy has an RBAC Header Validation Bypass via Multi-Value Header Concatenation
Vulnerability Description
Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, the Envoy RBAC (Role-Based Access Control) filter contains a logic vulnerability in how it validates HTTP headers when multiple values are present for the same header name. Instead of validating each header value individually, Envoy concatenates all values into a single comma-separated string. This behavior allows attackers to bypass RBAC policies—specifically "Deny" rules—by sending duplicate headers, effectively obscuring the malicious value from exact-match mechanisms. This vulnerability is fixed in 1.37.1, 1.36.5, 1.35.8, and 1.34.13.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
Vulnerability Type
授权机制不正确
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 1.37.1之前版本、1.36.5之前版本、1.35.8之前版本和1.34.13之前版本存在安全漏洞,该漏洞源于基于角色的访问控制过滤器在验证具有多个值的HTTP标头时存在逻辑漏洞,可能导致绕过拒绝规则。
CVSS Information
N/A
Vulnerability Type
N/A