Vulnerability Information
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Vulnerability Title
Wrkzeug's incorrect parsing of nameless cookies leads to __Host- cookies bypass
Vulnerability Description
Werkzeug is a comprehensive WSGI web application library. Browsers may allow "nameless" cookies that look like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser, the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in Werkzeug 2.2.3.
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Vulnerability Type
输入验证不恰当
Vulnerability Title
Pallets Werkzeug 输入验证错误漏洞
Vulnerability Description
Pallets Werkzeug是一款WSGI Web应用程序库。 Pallets Werkzeug 2.2.3之前版本存在安全漏洞，该漏洞源于浏览器可能允许看起来像“=value”而不是“key=value”的“无名”cookie。
CVSS Information
N/A
Vulnerability Type
N/A