Cisco IOS XE Software Fast Reload Vulnerabilities

Multiple vulnerabilities in the fast reload feature of Cisco IOS XE Software running on Cisco Catalyst 3850, Cisco Catalyst 9300, and Cisco Catalyst 9300L Series Switches could allow an authenticated, local attacker to either execute arbitrary code on the underlying operating system, install and boot a malicious software image, or execute unsigned binaries on an affected device. These vulnerabilities are due to improper checks performed by system boot routines. To exploit these vulnerabilities, the attacker would need privileged access to the CLI of the device. A successful exploit could allow the attacker to either execute arbitrary code on the underlying operating system or execute unsigned code and bypass the image verification check part of the secure boot process. For more information about these vulnerabilities, see the Details section of this advisory.

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密码学签名的验证不恰当

Cisco IOS XE SD-WAN Software 数据伪造问题漏洞

Cisco IOS XE SD-WAN Software是美国思科（Cisco）公司的一款应用于Cisco IOS XE 网络操作系统的用于网络管理（软件定义网络）的软件。 Cisco IOS XE SD-WAN Software 存在安全漏洞，攻击者可利用该漏洞要么底层操作系统上执行任意代码,安装和启动一个恶意软件的形象,或执行受影响设备上无符号二进制文件。

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