Boletines de Vulnerabilidades

Cisco IOS and IOS XE Software IPv6 DHCP (DHCPv6) Relay and Server Denial of Service Vulnerability


Información sobre el sistema

   
Software afectado Cisco

Descripción

A vulnerability in the IPv6 DHCP version 6 (DHCPv6) relay and server features of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to insufficient validation of data boundaries. An attacker could exploit this vulnerability by sending crafted DHCPv6 messages to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly. Cisco has released

More info:

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-dhcpv6-dos-44cMvdDK?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20IOS%20and%20IOS%20XE%20Software%20IPv6%20DHCP%20(DHCPv6)%20Relay%20and%20Server%20Denial%20of%20Service%20Vulnerability&vs_k=1

Identificadores estándar

Propiedad Valor
CVE CVE-2023-20080.

Histórico de versiones

Versión Comentario Data
1.0 Advisory issued 2023-03-23
Ministerio de Defensa
CNI
CCN
CCN-CERT