Vulnerability Information
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Vulnerability Title
TinyWeb vulnerable to Remote Denial of Service via Thread/Connection Exhaustion (Slowloris)
Vulnerability Description
TinyWeb is a web server (HTTP, HTTPS) written in Delphi for Win32. Versions prior to version 2.02 are vulnerable to a Denial of Service (DoS) attack known as Slowloris. The server spawns a new OS thread for every incoming connection without enforcing a maximum concurrency limit or an appropriate request timeout. An unauthenticated remote attacker can exhaust server concurrency limits and memory by opening numerous connections and sending data exceptionally slowly (e.g. 1 byte every few minutes). Anyone hosting services using TinyWeb is impacted. Version 2.02 fixes the issue. The patch introduces a `CMaxConnections` limit (set to 512) and a `CConnectionTimeoutSecs` idle timeout (set to 30 seconds). As a temporary workaround if upgrading is not immediately possible, consider placing the server behind a robust reverse proxy or Web Application Firewall (WAF) such as nginx, HAProxy, or Cloudflare, configured to buffer incomplete requests and aggressively enforce connection limits and timeouts.
CVSS Information
N/A
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Vulnerability Title
TinyWeb 资源管理错误漏洞
Vulnerability Description
TinyWeb是Konstantin Belyalov个人开发者的一个简单且轻量级 HTTP 服务器。 TinyWeb 2.02之前版本存在资源管理错误漏洞，该漏洞源于未强制实施最大并发限制或适当的请求超时，可能导致拒绝服务攻击。
CVSS Information
N/A
Vulnerability Type
N/A