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...

PT-2018-3805 · Cisco · Cisco Ios +1

Name of the Vulnerable Software and Affected Versions: Cisco IOS and IOS XE Software affected versions not specified Description: A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 DHCPv4 packets could...

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...

ISC Kea kea-dhcp4 and kea-dhcp6 Server Denial of Service Vulnerabilities

ISC Kea is an open source DHCPv4 and DHCPv6 server developed by ISC Internet Systems Consortium. A security vulnerability exists in ISC Kea's kea-dhcp4 and kea-dhcp6 servers, versions 0.9.2 and 1.0.0-beta. A remote attacker can exploit the vulnerability by sending malformed packets to cause a...