CVE-2023-50714

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No known workarounds are available."}, {"lang": "es", "value": "yii2-authclient es una extensi\u00f3n que agrega consumidores OpenID, OAuth, OAuth2 y OpenId Connect para el framework Yii 2.0. En yii2-authclient anterior a la versi\u00f3n 2.2.15, la implementaci\u00f3n de Oauth2 PKCE es vulnerable de 2 maneras. Primero, \"authCodeVerifier\" debe eliminarse despu\u00e9s de su uso (similar a \"authState\"). En segundo lugar, existe el riesgo de un \"downgrade attack\" si se conf\u00eda en PKCE para la protecci\u00f3n CSRF. La versi\u00f3n 2.2.15 contiene un parche para el problema. 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