CVE-2018-0476

A vulnerability in the Network Address Translation NAT Session Initiation Protocol SIP Application Layer Gateway ALG of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of SIP packets in...

Cisco IOS NAT功能拒绝服务漏洞(CVE-2012-4618)

BUGTRAQ ID: 55693 CVE ID: CVE-2012-4618 Cisco IOS是多数思科系统路由器和网络交换机上使用的互联网络操作系统。NAT SIP ALG功能可通过IP报文的SIP负载内嵌入的IP地址转换，根据SIP部署VoIP解决方案之间的Cisco IOS NAT， Cisco IOS在启用了NAT SIP ALG功能处理SIP报文时存在安全漏洞，NAT SIP ALG是默认启用的并执行了IP报文的SIP负载转换。默认是对UDP端口5060报文转换NAT SIP。该端口使用全局配置命令"ip nat service sip udp port"配置。...