Boletines de Vulnerabilidades

Cisco Firepower Threat Defense Software SSL Decryption Policy Bleichenbacher Attack Vulnerability


Información sobre el sistema

   
Software afectado Cisco

Descripción

A vulnerability in the TLS handler of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulnerability is due to improper implementation of countermeasures against a Bleichenbacher attack on a device that uses SSL decryption policies. An attacker could exploit this vulnerability by sending crafted TLS messages to an affected device, which would act as an oracle and allow the attacker to carry out a

More info:

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-tls-bb-rCgtmY2?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20Firepower%20Threat%20Defense%20Software%20SSL%20Decryption%20Policy%20Bleichenbacher%20Attack%20Vulnerability&vs_k=1

Identificadores estándar

Propiedad Valor
CVE CVE-2022-20940.

Histórico de versiones

Versión Comentario Data
1.0 Advisory issued 2022-12-18
Ministerio de Defensa
CNI
CCN
CCN-CERT