Cisco IOS XR Software Security Vulnerability

Cisco IOS XR is an operating system developed by Cisco for its network devices. A security vulnerability exists in Cisco IOS XR Software, which stems from a security flaw in the DHCPv4 server functionality that could allow an unauthenticated, remote attacker to trigger a crash of the dhcpd proces...

The vulnerability of the DHCP relay subsystem in Cisco IOS and Cisco IOS XE allows a attacker to execute arbitrary code with administrator privileges, or to cause a service failure and system reboot.

The vulnerability of the DHCP relay subsystem in Cisco IOS and Cisco IOS XE systems is caused by buffer overflow. Exploiting this vulnerability allows a malicious actor to execute arbitrary code or trigger a Denial-of-Service attack DoS, along with a system reboot, using a specially crafted DHCPv...