Abused an MCP Server to Perform Lateral Movement | Critical Finding | MCP Testing Methodology
嗯,用户让我帮忙总结一篇文章,控制在100字以内,而且不需要特定的开头。首先,我得仔细阅读用户提供的文章内容。看起来这篇文章是关于一个MCP组件的评估,涉及一个用于对冲基金的网络应用程序。 用户提到服务器还在生产中,所以没有截图,并且修改了核心功能的名字,因为公司是全球知名的。文章概述了管理员如何通过MCP服务器访问功能,配置AI客户端如Claude Desktop,然后重定向到OAuth进行认证。成功后可以看到工具列表,并与网站交互获取数据。 接下来,我需要将这些信息浓缩到100字以内。重点包括:评估MCP组件、对冲基金的CMS、管理员通过MCP和AI客户端访问、OAuth认证、工具列表和数据获取。要确保语言简洁明了,不使用任何特定的开头词。 可能的结构是:介绍评估的内容、应用类型、管理员的操作流程、认证过程和结果。这样既涵盖了主要点,又符合字数限制。 最后检查一下是否所有关键信息都包含在内,并且流畅自然。确保没有遗漏重要细节,同时保持简洁。 </think> 文章描述了一个涉及MCP组件的评估案例,介绍了一个用于对冲基金的网络应用程序如何通过MCP服务器和AI客户端(如Claude Desktop)实现功能访问。管理员需配置MCP端点并经过OAuth认证后,可使用客户端工具与网站交互并获取数据。 2026-4-28 07:4:37 Author: infosecwriteups.com(查看原文) 阅读量:15 收藏

Rahul Singh Chauhan

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Hi everyone, in this article, I’ll talk about one of my recent assessments which invoked an MCP component.

The server is still in production, therefore, I’ll not be showcasing screenshots. I’ve also modified the name of some core features as this is a well known company globally.

Overview

Let’s first start with an overview. The web application, which was sort of a CMS for hedge funds, allows administrator users to access some features of the web application through an MCP server. All they had to do is configure an AI client, such as Claude Desktop, with the MCP endpoint such as https://llm.example.com/mcp

Provided that the MCP endpoint was configured, we would be redirected to the https://oauth.example.com/ endpoint to authenticate ourselves. We would then pass our credentials.

Following successful authentication, we could see the list of tools exposed by the MCP endpoint on our AI client (Claude Desktop).

We could then use it to interact with the website and fetch our data.


文章来源: https://infosecwriteups.com/abused-an-mcp-server-to-perform-lateral-movement-critical-finding-mcp-testing-methodology-dd0557d49522?source=rss----7b722bfd1b8d---4
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