Boletines de Vulnerabilidades

Cisco IOS XE Software Fragmented Tunnel Protocol Packet Denial of Service Vulnerability


Información sobre el sistema

   
Software afectado Cisco

Descripción

A vulnerability in the fragmentation handling code of tunnel protocol packets in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected system to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to the improper handling of large fragmented tunnel protocol packets. One example of a tunnel protocol is Generic Routing Encapsulation (GRE). An attacker could exploit this vulnerability by sending crafted fragmented packets to an

More info:

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-gre-crash-p6nE5Sq5?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20IOS%20XE%20Software%20Fragmented%20Tunnel%20Protocol%20Packet%20Denial%20of%20Service%20Vulnerability&vs_k=1

Identificadores estándar

Propiedad Valor
CVE CVE-2023-20072.

Histórico de versiones

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