OSPF协议DD报文的脆弱性分析与验证

Vulnerability Analysis and Verification of OSPF DD Packet

摘要: 分析了OSPF协议在EXSTART／EXCHANGE状态下DD(Database Description )报文交互过程,提出了该过程存在的脆弱性,设计开发了验证系统,并对两款不同厂家的路由器进行了验证和对比,证明了该缺陷的存在.

Abstract: This paper analyzes the packet interactive process of DD (Database Description) under the state of EXSTART/EXCHANGE and proposes the vulnerability of this process. It designs and develops the verification system, verifies and compares the two kinds of routers from different manufacturers, and proves the existence of the vulnerability.