漏洞信息
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Vulnerability Title
Algernon: Auto-refresh SSE event server sets Access-Control-Allow-Origin: *
Vulnerability Description
Algernon is a small self-contained pure-Go web server. Prior to 1.17.7, the SSE event server's Access-Control-Allow-Origin response header was hardcoded to the wildcard * regardless of the caller's Origin. Because EventSource does not preflight and does not send cookies, the wildcard is sufficient to let any third-party page the developer visits open a cross-origin EventSource to the SSE port and read the live filename stream from JavaScript. This vulnerability is fixed in 1.17.7.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Vulnerability Type
过度许可的跨域白名单
Vulnerability Title
algernon 安全漏洞
Vulnerability Description
algernon是Alexander F. Rødseth个人开发者的一个 Web 服务器。 algernon 1.17.7之前版本存在安全漏洞,该漏洞源于SSE事件服务器的Access-Control-Allow-Origin响应头硬编码为通配符*,可能导致任意第三方页面跨域读取实时文件名流。
CVSS Information
N/A
Vulnerability Type
N/A