traefik traefik 证书验证不恰当

CVE编号

CVE-2022-23632

利用情况

暂无

补丁情况

N/A

披露时间

2022-02-17

漏洞描述

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.

解决建议

建议您更新当前系统或软件至最新版，完成漏洞的修复。

参考链接
https://github.com/traefik/traefik/pull/8764
https://github.com/traefik/traefik/releases/tag/v2.6.1
https://github.com/traefik/traefik/security/advisories/GHSA-hrhx-6h34-j5hc

受影响软件情况

#	类型	厂商	产品	版本	影响面
1
	运行在以下环境
	应用	traefik	traefik	*		Up to (excluding) 2.6.1

CVSS3评分 9.8

• 攻击路径 网络
• 攻击复杂度 低
• 权限要求 无
• 影响范围 未更改
• 用户交互 无
• 可用性 高
• 保密性 高
• 完整性 高

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CWE-ID 漏洞类型 CWE-295 证书验证不恰当