漏洞信息
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Vulnerability Title
Klever-Go: REST API slow-header connection exhaustion via Gin Engine.Run
Vulnerability Description
Klever-Go is the Go implementation of the Klever blockchain protocol. Versions from 1.7.14 through 1.7.17 are vulnerable to a remotely triggerable denial of service. Both REST APIs are started with the Gin Engine.Run convenience method, which serves requests through Go's default HTTP server with no ReadHeaderTimeout, ReadTimeout, or MaxHeaderBytes configured. As a result, incoming connections that never complete their request headers are held open indefinitely. When a REST listener is reachable beyond localhost through the documented all-interface bind or a Docker port-publish deployment, a single unauthenticated client can open many slow-header connections and hold them open until server file descriptors are exhausted, preventing the API from accepting new connections. This renders the REST API unavailable to legitimate clients. This issue is fixed in version 1.7.18.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Vulnerability Title
Klever 资源管理错误漏洞
Vulnerability Description
Klever是Klever组织的一个高性能区块链网络,专为去中心化应用、资产管理和智能合约执行而设计。 Klever 1.7.14版本至1.7.17版本存在资源管理错误漏洞,该漏洞源于REST API使用Gin Engine.Run启动时未配置ReadHeaderTimeout、ReadTimeout或MaxHeaderBytes,导致慢连接被无限期保持,耗尽服务器文件描述符,可能造成拒绝服务攻击。
CVSS Information
N/A
Vulnerability Type
N/A