N/A

A vulnerability in the quality of service (QoS) subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges. The vulnerability is due to incorrect bounds checking of certain values in packets that are destined for UDP port 18999 of an affected device. An attacker could exploit this vulnerability by sending malicious packets to an affected device. When the packets are processed, an exploitable buffer overflow condition may occur. A successful exploit could allow the attacker to execute arbitrary code on the affected device with elevated privileges. The attacker could also leverage this vulnerability to cause the device to reload, causing a temporary DoS condition while the device is reloading. The malicious packets must be destined to and processed by an affected device. Traffic transiting a device will not trigger the vulnerability. Cisco Bug IDs: CSCvf73881.

N/A

内存缓冲区边界内操作的限制不恰当

Cisco IOS Software和IOS XE Software quality of service 子系统缓冲区错误漏洞

Cisco IOS Software和IOS XE Software都是美国思科（Cisco）公司为其网络设备开发的操作系统。quality of service（QoS）subsystem是其中的一套网络服务质量子系统。 Cisco IOS Software和IOS XE Software中的QoS子系统存在缓冲区溢出漏洞，该漏洞源于程序没有正确的对数据包中的值执行边界检测。远程攻击者可通过向受影响的设备发送恶意的数据包利用该漏洞造成拒绝服务或以提升的权限执行代码。

N/A

N/A