Cisco IOS and IOS XE Software IP Ident Denial of Service Vulnerability

A vulnerability in the Ident protocol handler of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability exists because the affected software incorrectly handles memory structures, leading to a NULL pointer dereference. An attacker could exploit this vulnerability by opening a TCP connection to specific ports and sending traffic over that connection. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.

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空指针解引用

Cisco IOS和IOS XE 代码问题漏洞

Cisco IOS和IOS XE都是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS和IOS XE中的Ident protocol handler存在代码问题漏洞，该漏洞源于程序没有正确处理内存结构。远程攻击者可通过打开TCP连接并通过该连接发送流量利用该漏洞造成拒绝服务。

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