漏洞信息
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Vulnerability Title
Traefik v2.8.2 through v3.6 HTTP/3 Timeout Bypass
Vulnerability Description
Traefik is an HTTP reverse proxy and load balancer. In versions >= v2.8.2 through <= v2.11.55 and >= v3.0.0 through <= v3.7.11, the entryPoints.<name>.transport.respondingTimeouts settings — notably readTimeout, which is enabled by default at 60s — are not applied to the HTTP/3 request path. readTimeout is enforced as a deadline on the underlying TCP connection, which cannot be applied to a QUIC stream, and Traefik's HTTP/3 server is constructed without any timeout. As a result, on entry points with HTTP/3 enabled, an unauthenticated remote client that trickles request body bytes can hold a request open indefinitely and, with it, one upstream connection per request, exhausting bounded backend connection pools and causing denial of service. The issue was introduced in v2.8.2 when a quic-go API change removed the embedded http.Server that carried these timeouts. Fixed in v2.11.56 and v3.7.12.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Vulnerability Type
不加限制或调节的资源分配
Vulnerability Title
Traefik 资源管理错误漏洞
Vulnerability Description
Traefik是Traefik公司开源的一款负载均衡器。 Traefik 2.8.2版本至2.11.55版本和3.0.0版本至3.7.11版本存在资源管理错误漏洞,该漏洞源于HTTP/3请求路径未应用respondingTimeouts设置,readTimeout无法应用于QUIC流且HTTP/3服务器未设置超时,导致未经身份验证的远程客户端可通过缓慢发送请求体字节保持请求打开,耗尽后端连接池,造成拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A