Vulnerability Information
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Vulnerability Title
Traefik skips the router TLS configuration when the host header is an FQDN
Vulnerability Description
Traefik is an HTTP reverse proxy and load balancer. Prior to version 2.6.1, Traefik skips the router transport layer security (TLS) configuration when the host header is a fully qualified domain name (FQDN). For a request, the TLS configuration choice can be different than the router choice, which implies the use of a wrong TLS configuration. When sending a request using FQDN handled by a router configured with a dedicated TLS configuration, the TLS configuration falls back to the default configuration that might not correspond to the configured one. If the CNAME flattening is enabled, the selected TLS configuration is the SNI one and the routing uses the CNAME value, so this can skip the expected TLS configuration. Version 2.6.1 contains a patch for this issue. As a workaround, one may add the FDQN to the host rule. However, there is no workaround if the CNAME flattening is enabled.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Vulnerability Type
证书验证不恰当
Vulnerability Title
Containous Traefik 信任管理问题漏洞
Vulnerability Description
Containous Traefik是美国Containous公司的一款反向代理和负载平衡器。 Containous Traefik 存在信任管理问题漏洞，该漏洞源于当使用由配置了专用 TLS 配置的路由器处理的 FQDN 发送请求时，TLS 配置回退到可能与配置的配置不对应的默认配置。
CVSS Information
N/A
Vulnerability Type
N/A