漏洞信息
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Vulnerability Title
Denial of Service via Unrestricted Payload Buffering in MCP Toolbox
Vulnerability Description
An allocation of resources without limits vulnerability in the HTTP handler component of Google mcp-toolbox versions up to and including 1.4.0 allows an unauthenticated attacker to cause a denial of service (DoS). The /mcp endpoint handler reads incoming payloads directly into system memory using an unrestricted buffer loop (io.ReadAll) without applying defensive constraints such as http.MaxBytesReader or pre-read Content-Length enforcement. By submitting a single, massive HTTP request body, an attacker can linearly consume available host memory until the runtime process is terminated by an Out-Of-Memory (OOM) error.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
Vulnerability Type
不加限制或调节的资源分配
Vulnerability Title
Google MCP Toolbox for Databases 资源管理错误漏洞
Vulnerability Description
Google MCP Toolbox for Databases是美国Google公司的数据库管理工具。 Google MCP Toolbox for Databases 1.4.0及之前版本存在资源管理错误漏洞,该漏洞源于HTTP处理器组件中的/mcp端点处理程序使用无限制缓冲区循环(io.ReadAll)直接读取传入负载到系统内存,未应用http.MaxBytesReader或预先读取Content-Length等防御限制,可能导致未经身份验证的攻击者通过提交单个大型HTTP请求主体,线性消耗主机内存
CVSS Information
N/A
Vulnerability Type
N/A