Vulnerability Bulletins

Cisco Firepower Threat Defense Software SSL Decryption Policy Bleichenbacher Attack Vulnerability


System information

   
Affected software Cisco

Description

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

Standar resources

Property Value
CVE CVE-2022-20940.

Version history

Version Comments Date
1.0 Advisory issued 2022-12-18
Ministerio de Defensa
CNI
CCN
CCN-CERT