A valid SSL or TLS session is required to exploit this vulnerability. This vulnerability can be triggered by IPv4 and IPv6 traffic. This vulnerability affects systems configured in routed and transparent firewall mode and in single or multiple context mode. Note: Only traffic directed to the affected system can be used to exploit this vulnerability. An exploit could allow the attacker to cause the device to reload, which will result in a denial of service (DoS) condition. An attacker could exploit this vulnerability by sending a crafted TLS/SSL packet to an interface on the targeted device. The security appliances no longer function and, subsequently, the system fails to boot. The vulnerability is due to incomplete input validation of a Secure Sockets Layer (SSL) or Transport Layer Security (TLS) ingress packet header. x, Asa 5506-x Firmware, Asa 5506h-x and 7 moreĪ vulnerability in the cryptographic driver for Cisco Adaptive Security Appliance Software (ASA) and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reboot unexpectedly.
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