漏洞信息
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Vulnerability Title
Traefik v3.7.0 Path Traversal via RewriteTarget Authentication Bypass
Vulnerability Description
Traefik versions >= v3.7.0 and <= v3.7.7 contain a path traversal vulnerability in the Kubernetes Ingress NGINX provider's RewriteTarget middleware (generated from the nginx.ingress.kubernetes.io/rewrite-target annotation). When an Ingress path uses a regex that captures attacker-controlled text without requiring a path separator (e.g., path /api(.*) with rewrite target /$1), a crafted request such as /api../admin matches the public router, is rewritten to a dot-segment traversal path (/../admin), and is forwarded without post-replacement normalization validation. A backend that normalizes dot segments resolves the path to a protected endpoint (e.g., /admin) reachable only through a separate router secured with BasicAuth, DigestAuth, or ForwardAuth, resulting in route-level authentication bypass. The issue is fixed in v3.7.8.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Vulnerability Title
Traefik 路径遍历漏洞
Vulnerability Description
Traefik是Traefik公司开源的一款反向代理与负载均衡工具。 Traefik 3.7.0版本至3.7.7版本存在路径遍历漏洞,该漏洞源于Kubernetes Ingress NGINX provider的RewriteTarget中间件在路径重写时未进行规范化验证,可能导致路由级身份验证绕过。
CVSS Information
N/A
Vulnerability Type
N/A