Privilege Escalation in spring-security-oauth2

Spring Security OAuth, versions 2.3 prior to 2.3.4, and 2.2 prior to 2.2.3, and 2.1 prior to 2.1.3, and 2.0 prior to 2.0.16, and older unsupported versions could be susceptible to a privilege escalation under certain conditions. A malicious user or attacker can craft a request to the approval endpoint that can modify the previously saved authorization request and lead to a privilege escalation on the subsequent approval. This scenario can happen if the application is configured to use a custom approval endpoint that declares AuthorizationRequest as a controller method argument. This vulnerability exposes applications that meet all of the following requirements: Act in the role of an Authorization Server (e.g. @EnableAuthorizationServer) and use a custom Approval Endpoint that declares AuthorizationRequest as a controller method argument. This vulnerability does not expose applications that: Act in the role of an Authorization Server and use the default Approval Endpoint, act in the role of a Resource Server only (e.g. @EnableResourceServer), act in the role of a Client only (e.g. @EnableOAuthClient).

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Pivotal Spring Security OAuth 权限许可和访问控制问题漏洞

Pivotal Spring Security OAuth是美国Pivotal Software公司的一个项目，该项目为Spring Web应用程序添加OAuth1和OAuth2功能提供支持。 Pivotal Spring Security OAuth中存在提权漏洞。攻击者可利用该漏洞获取提升的权限。以下版本受到影响：Pivotal Spring Security OAuth 2.3.4之前的2.3版本，2.2.3之前的2.2版本，2.1.3之前的2.1版本，2.0.16之前的2.0版本及不再支持的老版本

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