漏洞信息
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漏洞
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漏洞信息
A vulnerability in the UDP processing code of Cisco IOS 15.1, 15.2, and 15.4 and IOS XE 3.14 through 3.18 could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and a denial of service (DoS) condition. The vulnerability is due to Cisco IOS Software application changes that create UDP sockets and leave the sockets idle without closing them. An attacker could exploit this vulnerability by sending UDP packets with a destination port of 0 to an affected device. A successful exploit could allow the attacker to cause UDP packets to be held in the input interfaces queue, resulting in a DoS condition. The input interface queue will stop holding UDP packets when it receives 250 packets. Cisco Bug IDs: CSCup10024, CSCva55744, CSCva95506.
漏洞信息
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漏洞
资源管理错误
漏洞
Cisco IOS和IOS XE 安全漏洞
漏洞信息
Cisco IOS和IOS XE都是美国思科（Cisco）公司为其网络设备开发的操作系统。UDP processing是其中的一个UDP（用户数据报协议）协议处理程序。 Cisco IOS和IOS XE中的UDP processing代码存在拒绝服务漏洞。远程攻击者可通过发送带有终点端口为0的数据包利用该漏洞造成拒绝服务。以下版本产品和版本受到影响：Cisco IOS 15.1版本，15.2版本，15.4版本；IOS XE 3.14版本至3.18版本。
漏洞信息
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漏洞
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