Vulnerability Information
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Vulnerability Title
Rack: Forwarded Header semicolon injection enables Host and Scheme spoofing
Vulnerability Description
Rack is a modular Ruby web server interface. From versions 3.0.0.beta1 to before 3.1.21 and 3.2.0 to before 3.2.6, Rack::Utils.forwarded_values parses the RFC 7239 Forwarded header by splitting on semicolons before handling quoted-string values. Because quoted values may legally contain semicolons, a header can be interpreted by Rack as multiple Forwarded directives rather than as a single quoted for value. In deployments where an upstream proxy, WAF, or intermediary validates or preserves quoted Forwarded values differently, this discrepancy can allow an attacker to smuggle host, proto, for, or by parameters through a single header value. This issue has been patched in versions 3.1.21 and 3.2.6.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Vulnerability Type
解释冲突
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 3.0.0.beta1至3.1.21之前版本和3.2.0至3.2.6之前版本存在安全漏洞，该漏洞源于Forwarded标头解析不当，可能导致参数走私。
CVSS Information
N/A
Vulnerability Type
N/A