漏洞信息
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Vulnerability Title
Authorizer: Unvalidated redirect_uri in /authorize leaks OAuth2 tokens to attacker-controlled URL
Vulnerability Description
Authorizer is an open-source, self-hostable authentication and authorization server. Prior to version 2.2.1, the `/authorize` endpoint accepts any `redirect_uri` without validating it against `AllowedOrigins`. When `response_type=token` or `response_type=id_token`, the server appends `access_token`, `id_token`, and `refresh_token` as query parameters and issues a 302 redirect to the attacker-supplied URL. An unauthenticated attacker can obtain the required `client_id` from the public `/graphql?query={meta{client_id}}` endpoint. A partial fix was applied in v2.0.1 to other handlers (`oauth_login`, `verify_email`, `magic_link_login`, `forgot_password`, `invite_members`, `oauth_callback`) but `/authorize` was not included. Version 2.2.1 contains a more complete fix.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Vulnerability Title
Authorizer 输入验证错误漏洞
Vulnerability Description
Authorizer是authorizer组织的一款为应用提供身份认证与权限管理服务的软件。 Authorizer 2.2.1之前版本存在输入验证错误漏洞,该漏洞源于/authorize端点未验证redirect_uri是否在AllowedOrigins中,当response_type为token或id_token时,服务器会将access_token、id_token和refresh_token作为查询参数附加并重定向至攻击者提供的URL,未经验证的攻击者可获取client_id,导致凭据泄露。
CVSS Information
N/A
Vulnerability Type
N/A