Boletines de Vulnerabilidades

Cisco Adaptive Security Appliance and Firepower Threat Defense Software TLS Denial of Service Vulnerability

   
Software afectado Cisco
 
A vulnerability in the TLS cryptography functionality of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper data validation during the TLS 1.3 handshake. An attacker could exploit this vulnerability by sending a crafted TLS 1.3 packet to an affected system through a TLS

More info:

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-tls-CWY6zXB?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20Adaptive%20Security%20Appliance%20and%20Firepower%20Threat%20Defense%20Software%20TLS%20Denial%20of%20Service%20Vulnerability%26vs_k=1