Vulnerability Information
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Vulnerability Title
Rack: Rack::Static header_rules bypass via URL-encoded paths
Vulnerability Description
Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Static#applicable_rules evaluates several header_rules types against the raw URL-encoded PATH_INFO, while the underlying file-serving path is decoded before the file is served. As a result, a request for a URL-encoded variant of a static path can serve the same file without the headers that header_rules were intended to apply. In deployments that rely on Rack::Static to attach security-relevant response headers to static content, this can allow an attacker to bypass those headers by requesting an encoded form of the path. This issue has been patched in versions 2.2.23, 3.1.21, and 3.2.6.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Vulnerability Type
不正确的行为次序：规范化之前验证
Vulnerability Title
Rack 安全漏洞
Vulnerability Description
Rack是Rack开源的一个模块化的Ruby web服务器界面。 Rack 2.2.23之前版本、3.1.21之前版本和3.2.6之前版本存在安全漏洞，该漏洞源于Rack::Static#applicable_rules针对原始URL编码的PATH_INFO评估标头规则，而底层文件服务路径在文件提供前已解码，可能导致攻击者绕过安全相关的响应标头。
CVSS Information
N/A
Vulnerability Type
N/A